TY - CHAP A1 - Munk, Christoph A1 - Clauder, Lothar A1 - Pfriem, Alexander T1 - Acoustical comparison of two different guitars, made of untreated tropical wood and thermally modified wood, using a frequency response analysis T2 - Northern European Network for Wood Science & Engineering (WSE) N2 - To this day, many guitar makers around the world use primarily tropical woods such as rosewood (Dalbergia spp.) for their production. Due to the current CITES regulation of January 2017 regarding the trade of tropical woods, it becomes inevitable to generate alternative materials with similar material properties to be generated and established. Part of this study is an acoustic comparison of two guitars. One made of untreated tropical wood [Dalbergia nigra Benth.)] and one made of European thermally modified wood (TMT) species. [Pyrus (L.) and Alnus (Mill.)]. The method used allows a significant statement about the acoustic radiation performance of stringed and plucked instruments. The experimental setup consists of an impulse hammer for excitation of a force in the center of the bridge and a microphone for recording the signal radiated by the guitar body at a distance of one meter from the sound hole. A front-end was used to record the data, and further processing was done using analysis software to determine frequency response functions (FRFs) of the two instruments. The FRFs determined can be subdivided into several ranges which contain the different acoustic information about bass range, loudness, clarity, brightness and sharpness of the instruments. Examination of the frequency ranges reveals an acoustic similarity between the two guitars. Slight differences can be seen in the bass and loudness areas, where the guitar from TMT has a higher average level. Clearer differences are offered by the areas of clarity, where the guitar made of tropical wood shows a higher average level. In summary, the method gives an efficient acoustic impression as a function of the natural frequencies of the two guitars. The measured data show similarities and thus comparable acoustic properties of the instruments. However, additional effects such as psychoacoustic sensations or musical taste for the complete acoustic impression of an instrument are also of importance. Therefore, further empirical and fundamental research is needed to obtain a more detailed acoustic impression of the instruments. KW - TMT KW - FRF KW - guitar Y1 - 2018 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2850 ER - TY - CHAP A1 - Munk, Christoph A1 - Clauder, Lothar A1 - Pfriem, Alexander T1 - Sound absorption coefficient of thermally modified and unmodified wood species measured in an impedance tube T2 - Northern European Network for Wood Science and Engineering (WSE) - 15th Annual Meeting 2019 N2 - Different parts of the guitar body are made of certain wood species, selected by their specific properties. The sound board, which is mainly made of spruce or cedar, transfers the vibration of the strings to the resonance body by means of the bridge. The sides and the back of the guitar rather reflect the sound of the acoustic vibrations and are predominantly made of tropical hardwoods like palisander, mahogany or ebony species. These species have limited availability and are listed on the CITES Annex I and II. To substitute tropical wood species, thermally modified European wood species with improved acoustic properties and dimensional stability may be used. Although the acoustic reflection of the sides and the back parts of a guitar body is an important property, there is not much knowledge about this reflection behaviour of wood. A few studies like the work of Hong (1989), Kang (2010) or Smardzewski et al. (2013) investigated the sound absorption properties of unmodified wood. Subsequently this study considers the sound absorption coefficients of unmodified and thermally modified European wood species in comparison to an unmodified tropical wood species. KW - TMT KW - sound absorption coefficient KW - impedance tube Y1 - 2019 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2890 ER - TY - CHAP A1 - Munk, Christoph A1 - Wohlert, Hauke A1 - Pfriem, Alexander T1 - Investigation of the influence of two different thermal treatment processes on the change of various material properties of spruce resonance wood (Picea abies (L.) Karst.) T2 - Northern European Network for Wood Science and Engineering - 17th Annual Meeting 2021 N2 - In recent years, a large number of different studies have shown that a variety of positive property changes can be achieved by thermally treating spruce resonance wood. Various methods have been established, which differ mainly in the choice of treatment atmosphere, but also in the associated treatment duration and temperature. Part of the present investigation was to compare a thermal-vacuum process with a process which takes place in an oxygen-reduced atmosphere, with regard to various property changes. The results show that both processes achieved similar results in terms of dynamic acoustic property changes. Larger differences were found with regard to moisture behavior and color change. KW - TMT KW - spruce resonance wood KW - acoustic properties KW - CIELab Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2909 ER - TY - CHAP A1 - Munk, Christoph A1 - Pfriem, Alexander T1 - Influence of thermal modification and subsequent linseed oil impregnation on the sound propagation velocity and related acoustic properties of various wood species T2 - Tenth European Conference on Wood Modification N2 - In the field of instrument making, the use of indigenous wood species is becoming more and more important due to the increasing environmental awareness of instrument makers and their customers. As the properties of some of these wood species cannot meet the high demands of this field of application, processes are being sought that can achieve improvements. In recent years, many studies have shown that different modification methods, such as furfurylation, thermal treatment, densification or impregnation methods, can partly improve wood properties such as elasticity, strength values, damping behaviour, but also moisture behaviour and wood moisture content significantly. The extent to which different modification processes and their positive changes in properties can be combined with each other and thus achieve further improvements will become increasingly important in the future, not only in instrument making but also in other areas of application. Therefore, this study investigated the influence of thermal treatment followed by linseed oil impregnation of wood on its sound propagation velocity and the associated acoustic properties of characteristic impedance and acoustic radiation. KW - TMT KW - linseed oil impregnation KW - sound propagation velocity KW - acoustic properties Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2916 ER - TY - JOUR A1 - Lauterbach, Josephine A1 - Bantle, Christina T1 - “For More Diversity, Better Taste and My Own Health” Exploring Organic Consumers’ Purchasing Motives for Heirloom Vegetable Varieties JF - Sustainability N2 - Agrobiodiversity is the foundation of our ecosystems and food supply. However, agrobiodiversity is declining rapidly. A prominent strategy to safeguard endangered varieties, an important component of agrobiodiversity, is their cultivation and preservation in their natural environments. In order to make the cultivation of these varieties attractive to farmers, a functioning value chain and communication concepts for these goods have to be developed. Using heirloom vegetable varieties as an example, we examine existing communication approaches for endangered varieties and evaluate their suitability to transport their added value to organic consumers. We furthermore examine organic consumers’ purchasing motives to buy heirloom vegetable varieties. We collected data in three focus group discussions in Berlin (Germany) in 2018. This exploratory study shows that existing communication approaches for heirloom vegetable varieties strongly appeal to altruistic and biospheric purchasing motives. However, our results suggest that egoistic and hedonic purchasing motives are just as important to organic consumers. Hence, existing communication approaches for heirloom vegetable varieties, including the “Red List of Endangered Local Crops”, are not entirely suitable to communicate the added value of biodiversity-enhancing products to consumers. Based on these results, we will develop a holistic communication scheme for heirloom vegetable varieties for organic supermarkets and further distribution channels in Germany. KW - communication KW - agrobiodiversity KW - heirloom vegetable varieties KW - red list KW - focus groups Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2992 SN - 2071-1050 IS - 14(7) PB - MDPI ER - TY - JOUR A1 - Mann, Deepika A1 - Gohr, Charlotte A1 - Blumröder, Jeanette Silvin A1 - Ibisch, Pierre L. T1 - Does fragmentation contribute to the forest crisis in Germany? JF - Frontiers in Forests and Global Change N2 - Intact forests contribute to the ecosystem functionality of landscapes by storing and sequestering carbon, buffering and cooling the microclimate, and providing a range of related ecosystem functions. Forest fragmentation not only poses a threat to many organisms but also reduces the resistance and resilience of the ecosystem, which is especially relevant to the ongoing climate crisis. The effects of recent extreme heat years on forests in Germany have not been studied in detail for the influence of fragmentation. We investigate the relation of forest fragmentation with temperature and vitality in Germany per ecoregion at the canopy level using satellite imagery at 1-km and 30-m resolution. We compiled and correlated forest maps for connectivity based on Thiessen polygons, canopy temperatures on the hottest days based on land surface temperature, and forest vitality based on the maximum normalized difference vegetation index per growing season. We differentiated between ecoregions and main forest types. In 2022, larger intact tree-covered areas that are less fragmented have relatively low temperatures on hot days and higher overall vitality. Nearly 98% of the almost 1.95 million forest fragments at 30-m resolution in Germany are smaller than 1 km2, which cover nearly 30% of the total forest area. To counteract the forest crisis, forest and landscape management should aim to reduce fragmentation and maintain tree biomass and forest cover in the landscape. Increasing the size of continuous forest fragments contributes to ecosystem-based adaptation to climate change. KW - land surface temperature (LST) KW - normalized difference vegetation index (NDVI) KW - Thiessen connectivity KW - forest fragmentation KW - forest cover Y1 - 2023 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3909 SN - 2624-893X VL - 6 PB - Frontiers Media S.A. ER - TY - JOUR A1 - Göttert, Thomas A1 - Perry, Gad ED - Bakaloudis, Dimitrios T1 - Going Wild in the City—Animal Feralization and Its Impacts on Biodiversity in Urban Environments JF - Animals N2 - Simple Summary Understanding the impact of urbanization on biodiversity is a crucial task of our time. Here, we reflect on the importance of feralization in the relationship between ongoing urbanization and the worsening biodiversity crisis. Feralization is often viewed as the exact opposite of a domestication process—a perception that we argue is too simplistic. The interrelations between domestication, feralization, and the adaptation of taxa to novel, human-made environments such as cities are complex. Given their unique traits, feral(izing) taxa can play key roles in sustainability, sometimes problematic (i.e., invasive species) but at other times, improving human well-being in urban settings. Abstract Domestication describes a range of changes to wild species as they are increasingly brought under human selection and husbandry. Feralization is the process whereby a species leaves the human sphere and undergoes increasing natural selection in a wild context, which may or may not be geographically adjacent to where the originator wild species evolved prior to domestication. Distinguishing between domestic, feral, and wild species can be difficult, since some populations of so-called “wild species” are at least partly descended from domesticated “populations” (e.g., junglefowl, European wild sheep) and because transitions in both directions are gradual rather than abrupt. In urban settings, prior selection for coexistence with humans provides particular benefit for a domestic organism that undergoes feralization. One risk is that such taxa can become invasive not just at the site of release/escape but far away. As humanity becomes increasingly urban and pristine environments rapidly diminish, we believe that feralized populations also hold conservation value. KW - Anthropocene KW - domestication KW - feralization KW - urbanization KW - invasive species KW - biodiversity in novel ecosystems Y1 - 2023 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3992 SN - 2076-2615 VL - 13 IS - 4 PB - MDPI ER - TY - JOUR A1 - Litschel, Johannes A1 - Berendt, Ferréol A1 - Wagner, Hanna A1 - Heidenreich, Simon A1 - Bauer, David A1 - Welp, Martin A1 - Cremer, Tobias T1 - Key Actors’ Perspectives on Agroforestry’s Potential in North Eastern Germany JF - Land N2 - As a land use management system, agroforestry has environmental, economic and societal benefits over conventional agriculture or forestry. Important benefits of combining tree growth with agricultural crops and/or forage production systems include higher biodiversity through more diverse habitats, the control of runoff and soil erosion, the augmentation of soil water availability, the creation of microclimates, carbon sequestration and provision of a more diverse farm economy. As the climate changes, north eastern Germany is likely to be particularly prone to severe effects from droughts and wind erosion in the future. However, the area of land under agroforestry makes up less than 2% of the total agricultural area in Germany. Through qualitative interviews with key actors, this study analyzed the benefits of, potentials for and barriers to implementing agroforestry systems in the federal state of Brandenburg. Results showed that agroforestry systems have significant potential in relation to several benefits, particularly the mitigation of soil erosion and stabilization of microclimate regimes. Additionally, agroforestry has the potential to provide wood for energy production or material uses. Although a small but highly innovative and interlinked community exists, administrative barriers and high start-up costs currently hamper the transition from conventional agriculture to agroforestry systems. KW - agroforestry KW - timber products KW - semi-structured interviews KW - barrier KW - opportunity Y1 - 2023 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4003 SN - 2073-445X VL - 12 IS - 2 SP - 1 EP - 19 PB - MDPI ER - TY - GEN A1 - Cieslewicz, Kira A1 - Lang, Daniel A1 - Barth, Matthias T1 - Der europäische Weg T2 - Ökologisches Wirtschaften N2 - Für eine nachhaltige Zukunftsgestaltung spielt es eine zentrale Rolle, Digitalisierung in den Dienst einer nachhaltigen Entwicklung zu stellen. Neben dem chinesischen und dem US‑amerikanischen Modell bleibt die Frage offen, ob sich hierfür ein alternativer, spezifisch europäischer Weg der Digitalisierung herausbilden kann. KW - Nachhaltigkeit KW - Digitalisierung KW - nachhaltige Entwicklung Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4040 IS - 37(1) SP - 8 EP - 9 PB - oekom Verlag CY - München ER - TY - GEN A1 - Barth, Matthias A1 - Gossen, Maike A1 - Lang, Daniel J. A1 - Santarius, Tilman T1 - Sustainable digitalization ‐ fostering the twin transformation in a transdisciplinary way T2 - GAIA - Ecological Perspectives for Science and Society N2 - Can digitalization be designed in such a way that it does not harm the environment or promote unsustainable lifestyles? Can it even promote a green transformation? The authors of this GAIA special issue discuss how stakeholder engagement and transdisciplinary approaches can help address digitalization and sustainability in an integrated way. The special issue deepens insights into the state of knowledge on sustainable digitalization in both scientific and political discourses. KW - digitalization; environmental sustainability; transdisciplinarity; transformation Y1 - 2023 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4058 SN - 2625-5413 VL - Volume 32 IS - Supplement 1 SP - 6 EP - 9 PB - oekom verlag ER - TY - JOUR A1 - Ullah, Ayat A1 - Saqib, Shahab E. A1 - Kächele, Harald T1 - Determinants of Farmers’ Awareness and Adoption of Extension Recommended Wheat Varieties in the Rainfed Areas of Pakistan JF - Sustainability N2 - Scientific evidence suggests that there is room for eradicating poverty and hunger by increasing food production through the adoption of modern agricultural practices by farmers. This study aimed, first, to explore the relationship between the farmers’ awareness and adoption of improved wheat varieties. Second, it aimed to find the key factors that govern the farmers’ awareness and adoption of extension-recommended innovations in the rainfed cropping system of the Khyber Pakhtunkhwa, Pakistan. Data were collected from 395 respondents. A binary logit model was used to analyze the effect of the farmers’ socioeconomic and farm-specific characteristics on their awareness and adoption of the extension-suggested wheat varieties. Moreover, qualitative data from 40 key informants were collected for in-depth analysis. The results show a strong association between the farmers’ awareness of a technology (improved wheat varieties) and its adoption. The results of the logit model show that their extension contacts, income from agriculture, and access to credit positively affected the farmers’ awareness, whereas their education and household sizes negatively affected their awareness. Moreover, the factors that positively influenced the farmers’ decision to adopt the technology included the extension contact, the confidence in the extension, the risk-bearing attitude, and the credit access, whereas the household size and education negatively affected it. The results of the key informant interviews reveal that the high incidence of poverty, the low soil fertility, the farmers’ inability to make effective decisions, the lack of accurate weather predictability in the rainfed farming system, the lack of government interest, and the asymmetric information in the inputs markets contributed to the farmers’ low levels of awareness and to their poor adoption of improved agricultural technologies. These results indicate that any intervention aimed at the awareness and adoption by farmers of improved technologies, such as new wheat varieties, should recognize the heterogeneity in the farmers’ socioeconomic and farm-specific characteristics. KW - farmers’ awareness KW - technology adoption KW - improved wheat varieties KW - socioeconomic and farm-specific characteristics Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3496 SN - 2071-1050 VL - 14 IS - 6 PB - MDPI ER - TY - JOUR A1 - Missall, Siegmund A1 - Welp, Martin A1 - Mehta, Kedar A1 - Degembaeva, Nadira A1 - Akmatov, Kuban A1 - Zörner, Wilfried T1 - In Search for the Optimal Forest Use Behaviour: Riparian Forest Use in Central Asia, Using the Example of Ak-Tal, Naryn, Kyrgyzstan JF - Forests N2 - Riparian forests are rare and valuable ecosystems in Central Asia, both due to their significance for biodiversity and to their provision of vital ecosystem services to local residents. However, the actual forest use behaviour is under-researched, official figures may not be trustworthy, and the question of over-use is up in the air. This paper sets out to shed light on riparian forest use behaviour by local residents using the example of Ak-Tal Village upon the Naryn River in Kyrgyzstan: Which economic use patterns do they practice (focusing on fuel wood and pasture)? Which other ecosystem services do they recognise? Is there forest over-exploitation? To answer these questions, this study builds on local knowledge, by applying the methods of focus group discussions and a household survey. Results show an extreme discrepancy between official wood consumption figures (50–60 m3 p.a.) and figures based on household wood consumption (310–404 m3 p.a.). The forest also serves as an important winter pasture over the seven months between October and April (stocking density 0.61 livestock units/ha), but payments for these ecosystem services are low, with annually 40 KGS/ha. Local residents are aware of additional material and nonmaterial ecosystem services of the riparian forest. Opinions diverge upon the question if there is forest over-exploitation, potentially because different stakeholders have different concepts of an optimal forest status. Consequently, optimal forest use behaviour can only be defined by the local users themselves, e.g., in a future stakeholder dialogue. KW - riparian forest KW - fuel wood KW - wood pasture KW - agroforestry KW - ecosystem services KW - Naryn KW - Kyrgyzstan KW - Central Asia Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3508 SN - 1999-4907 VL - 13 IS - 8 PB - MDPI ER - TY - CHAP A1 - Munk, Christoph A1 - Pfriem, Alexander T1 - Influence of residual oxygen content during thermal modification process on mass loss, brightness colour and dynamic Young´s modulus of Fagus sylvatica (L.) T2 - 18th Annual Meeting of the Northern European Network for Wood Science and Engineering, 21-22 September 2022, Göttingen, Germany N2 - The thermal modification of wood is considered to be an environmentally friendly and cost-effective treatment process, which has been able to establish itself in many areas of application due to its positive effect on a whole range of different material properties through a wide variety of process designs. In addition to heat transfer and pressure, closed and open systems differ primarily in the choice of treatment atmosphere mainly used to prevent combustion (Sandberg et al. 2021). Although many studies in recent years have investigated influencing process parameters such as temperature, pressure or treatment duration, there exists a knowledge gap regarding the influence of the treatment atmosphere or its behaviour during the treatment process (Candelier et al. 2016). Therefore, this study aims to analyse different oxygen-nitrogen concentrations in the treatment atmosphere at different residual oxygen levels during the process duration and their influence on different property parameters of Fagus sylvatica (L.). KW - beech wood, thermal modification, nitrogen, oxygen, mass loss, MOE, CIELab Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3582 SP - 1 EP - 3 ER - TY - CHAP A1 - Bender, Tobias A1 - Munk, Christoph A1 - Damay, Jérémie A1 - Jousserand, Michael A1 - Gérardin, Philippe A1 - Pfriem, Alexander T1 - The Effect of Thermal Treatment of Sycamore Maple (Acer Pseudoplatanus L.) prior to Impregnation with Furfuryl Alcohol, regarding Homogeneity and Swelling Behaviour T2 - 18th Annual Meeting of the Northern European Network for Wood Science and Engineering, 21-22 September 2022, Göttingen, Germany N2 - Impregnation of wood with certain chemical compounds is a well established method to improve its physical and mechanical properties. However, the result is often not quite homogeneous. This study examines the effect of two varying thermal treatments on the impregnability of sycamore maple (Acer Pseudoplatanus L.) with furfuryl alcohol (FA), and on the resulting Anti-Swelling-Efficiency (ASE). KW - TMT, Furfuryl Alcohol, ASE, Maple, impregnability Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3597 SP - 1 EP - 1 ER - TY - JOUR A1 - Hamidov, Ahmad A1 - Helming, Katharina T1 - Sustainability Considerations in Water–Energy–Food Nexus Research in Irrigated Agriculture JF - Sustainability N2 - Irrigated agriculture is essential to satisfying the globally increasing demand for food and bio-based products. Yet, in water scarce regions, water-use for irrigation aggravates the competition for the use of water for other purposes, such as energy production, drinking water and sanitation. Solutions for sustainable food production through irrigated agriculture require a systemic approach to assess benefits and trade-offs across sectors. Here, the water–energy–food (WEF) nexus has become an important concept in natural resource management. It has been conceptualized to analyze linkages and trade-offs between the three sectors, across temporal and spatial scales. However, the concept has so far mainly been conceptual, with little empirical evidence or proof of concept in real world cases. The objective of this paper was to take stock of the rapidly advancing literature on the WEF nexus in irrigated agriculture, and to analyze how the concept was actually implemented in research studies, and how the nexus between water, food and energy was actually dealt with. The study period ranges from 2011 to 2019, and includes 194 articles. Results showed that the WEF nexus is indeed very relevant in irrigated agriculture, and the respective literature makes up one third of all WEF nexus papers. Modeling and empirical research have caught up with conceptual synthesis studies during the last four years, thereby indicating that the WEF nexus concept is indeed increasingly operationalized. However, most studies addressed the WEF nexus from a perspective of either socioeconomic, technological or environmental categories, and they place one of the dimensions of water, food or energy into the foreground. To address sustainable development, there is a need to fully integrate across research disciplines and thematic dimensions. Such studies are only starting to emerge. These findings are an important evidence-base for future WEF nexus research on irrigated agriculture, in support of sustainable solutions for water scarce regions, especially in settings undergoing transformations. KW - sustainability KW - water resources KW - food security KW - energy production KW - soil services KW - transformation KW - governance KW - sustainable development goals Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3381 SN - 2071-1050 VL - 12 IS - 15 PB - MDPI ER - TY - JOUR A1 - MacPherson, Joseph A1 - Paul, Carsten A1 - Helming, Katharina T1 - Linking Ecosystem Services and the SDGs to Farm-Level Assessment Tools and Models JF - Sustainability N2 - A number of tools and models have been developed to assess farm-level sustainability. However, it is unclear how well they potentially incorporate ecosystem services (ES), or how they may contribute to attaining the United Nations Sustainable Development Goals (SDGs). Understanding how farm-level assessment tools and models converge on these new paradigms of sustainability is important for drawing comparison on sustainability performances of farming systems, conducting meta-analyses and upscaling local responses to global driving forces. In this study, a coverage analysis was performed for several farm-level sustainability assessment (SA) tools (SAFA, RISE, KSNL, DLG) and models (MODAM, MONICA, APSIM), in regard to their potential for incorporating ES and contribution to attaining the SDGs. Lists of agricultural-relevant CICES classes and SDG targets were compiled and matched against the indicators of the tools and models. The results showed that SAFA possessed the most comprehensive coverage of ES and SDGs, followed by RISE and KSNL. In comparison to models, SA tools were observed to have a higher degree of potential for covering ES and SDGs, which was attributed to larger and broader indicators sets. However, this study also suggested that, overall, current tools and models do not sufficiently articulate the concept of ecosystem services. KW - agriculture KW - SA KW - ecosystem services KW - SDGs CICES KW - tools KW - models KW - coverage analysis Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3395 SN - 2071-1050 VL - 12 IS - 16 PB - MDPI ER - TY - JOUR A1 - Vasić, Filip A1 - Paul, Carsten A1 - Strauss, Veronika A1 - Helming, Katharina T1 - Ecosystem Services of Kettle Holes in Agricultural Landscapes JF - Agronomy N2 - Kettle holes are small water bodies of glacial origin which mostly occur in agricultural landscapes. They provide numerous ecosystem services (ES), but their supply may be negatively affected by agricultural management. We conducted a literature review to identify which ES are supplied by kettle holes and to analyze feedbacks with agricultural management. Taking Germany as a test case, we also analyzed how kettle holes are addressed in policy documents and for which ES they are regulated. This was done to identify the societal value officially associated with kettle holes. The literature review found eight ES attributed to kettle holes, of which hydrological cycle and flood control, chemical condition of freshwaters, nursery populations and habitats and biotic remediation of wastes were addressed most often. In contrast, only the provision of habitat service was addressed in German policy documents related to kettle holes. We identified types of agricultural management that negatively affected the supply of ES by kettle holes, in particular artificial drainage, high levels of pesticide and fertilizer application, and management where tillage and erosion result in elevated sediment inputs. Additionally, climate change may lead to an increased drying up of kettle holes. Based on our finding, we conclude that the intensity of agricultural management around kettle holes threatens the supply of all ES while only the service of providing habitats for biodiversity is addressed in German policy regulations. Further regulation is required to induce agricultural management change towards a conservation of all ES supplied by kettle holes. KW - kettle hole KW - small water bodies KW - wetland KW - ecosystem service KW - CICES KW - agricultural management KW - sustainability KW - policy KW - climate change Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3407 SN - 2073-4395 VL - 10 IS - 9 PB - MDPI ER - TY - JOUR A1 - Ullah, Ayat A1 - Mahmood, Nasir A1 - Zeb, Alam A1 - Kächele, Harald T1 - Factors Determining Farmers’ Access to and Sources of Credit: Evidence from the Rain-Fed Zone of Pakistan JF - Agriculture N2 - This study investigates the factors that affect farmers’ access to agricultural credit and its role in adopting improved agricultural technologies in the rain-fed zone of Khyber Pakhtunkhwa (KP), Pakistan. Using logistic models, we assess and compare the relative role of farmers’ socioeconomic attributes in their access to credit and adoption strategies. The results indicate a moderate positive association between farmers’ access to agricultural credit and their adoption of improved agricultural technologies. The binary logit model’s results indicate that farmers with a large-sized farm, high farm income, better access to information, and large physical asset ownership showed a positive influence on credit access. However, farming experience showed a negative effect on farmers’ access to agricultural credit. Regarding farmers’ credit sources, this study found that asset-rich farmers with more farming experience and better access to information relied more on banks than on input providers and informal credit sources. Similarly, older farmers with more education, larger farm sizes and high farm income were more likely to have borrowed from input providers than banks. We conclude that the role of the effective provision of information on credit and agricultural technology is imperative and requires separate policies that are specifically aimed at different groups of farmers with different socioeconomic and farm-related characteristics. KW - agricultural credit KW - adoption of agricultural technologies KW - rain-fed zone KW - Khyber Pakhtunkhwa KW - socioeconomic attributes Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3419 SN - 2077-0472 VL - 10 IS - 12 PB - MDPI ER - TY - JOUR A1 - Russ, Alexander A1 - Riek, Winfried A1 - Wessolek, Gerd T1 - Three-Dimensional Mapping of Forest Soil Carbon Stocks Using SCORPAN Modelling and Relative Depth Gradients in the North-Eastern Lowlands of Germany JF - Applied Sciences N2 - To cope with the challenges in forest management that are contemporarily caused by climate change, data on current chemical and physical soil properties are more and more necessary. For this purpose, we present a further amalgam of depth functions and SCORPAN modelling to provide data at arbitrary depth layers. In this concept, regionalisation is split up into the modelling of plot totals and the estimation of vertical distributions. The intended benefits by splitting up are: consistency between estimates on plot level and depth layer level, avoidance of artificial depth gradients, straightforward interpretation of covariates in the sense of pedogenetic processes, and circumnavigation of the propagation of uncertainties associated with separation between horizons during field sampling. The methodology was tailored to the circumstances within the north-eastern lowlands and the utilisation of current inventory data of the National Forest Soil Inventory (NFSI) in Brandenburg (Germany). Using the regionalisation of soil organic carbon (SOC) as an example, the application is demonstrated and discussed in detail. The depth to groundwater table and terrain parameters related to the catchment area were the main factors in SOC storage. The use of kriging did not improve the model performance. The relative depth gradients of SOC were especially distinguished by tree species composition and stand age. We suppose that interesting fields of application may be found in scenario-based modelling of SOC and when SOC serves as a basis for hydrological modelling. KW - depth functions KW - SCORPAN modelling KW - soil forming factors; KW - forest soils KW - soil organic carbon KW - regionalisation KW - north-eastern lowlands KW - forest site mapping KW - Brandenburg Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3427 SN - 2076-3417 VL - 11 IS - 2 PB - MDPI ER - TY - JOUR A1 - Riek, Winfried A1 - Russ, Alexander A1 - Marx, Marc T1 - Concentrations of Inorganic and Organic Pollutants in Forest Soils as an Archive of Anthropogenic Inputs in the State of Brandenburg, Germany JF - Applied Sciences N2 - An important component of the National Forest Soils Inventory (NFSI) is the investigation of inorganic and organic pollutants. Forests are able to filter out large quantities of these substances from the atmosphere and incorporate them into the soil for a long time. The aim of this study was the integrative evaluation of organic and inorganic pollutant concentrations in forest soils in the state of Brandenburg, Germany. With the help of principle component analysis, the pollutant concentrations can essentially be explained by three significant environmental components, which explain 76% of the total variance of all pollutants examined within the scope of the NFSI. The first component characterizes the extent of the atmospheric pollution caused by flue gases and fly ash from lignite combustion in the 1970s and 1980s and is mainly charged by the organic pollutants HCB and PAH, and the elements arsenic and chromium. This component shows positive relation to both spatially interpolated calcium-deposition data from the 1980s (as an indicator for the dust emission from coal combustion) and crown defoliation data of pine stands from the forest condition survey in the early 1990s. The depositions of zinc and cadmium from industrial sources, vehicle traffic and the use of fertilizers in agriculture mainly characterize the second principle component. The use of the pesticides DDT and lindane in the early 1980s and the associated pollutants input into the forest soils are expressed by the third component. In expanding the term archiving function of soils, the results illustrate their particular importance for the long-term archiving of anthropogenic inputs and the associated potential stress factors for forests. KW - forest soils KW - heavy metals KW - organic pollutants KW - forest soil inventory KW - forest crown condition KW - lignite combustion KW - fly ash deposition KW - principle component analyses KW - Brandenburg Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3430 SN - 2076-3417 VL - 11 IS - 3 PB - MDPI ER - TY - JOUR A1 - Biland, Mazhar A1 - Zeb, Alam A1 - Ullah, Ayat A1 - Kächele, Harald T1 - Why Do Households Depend on the Forest for Income? Analysis of Factors Influencing Households’ Decision-Making Behaviors JF - Sustainability N2 - Using survey information of 150 randomly selected households across 21 villages of the forest-rich district of Swat, Pakistan, this study assessed households’ decision-making behaviors in depending on income from nearby forested land using socio-economic attributes. The evidence from the study may aid in making the existing policies be better targeted toward families that depend on the forest for income. Descriptive statistics and econometric techniques such as logit and tobit were used to analyze the data. Respondent households obtained the highest share of their income from off-farm activities (37%) and least from forest activities (16%). Fuelwood constitutes the biggest share (66%) of forest income, followed by medical plants (20%) and fodder (13%). We found that households with more physical assets, more family members working in off-farm jobs, and households earning more income from off-farm jobs were significantly and negatively associated with households’ decision to depend on forest income and total income obtained. We also found that households with less distance to the market and membership to joint forest management committees (JFMCs) were significantly and negatively associated with households’ total income obtained. However, household size was significantly and positively related to households’ decision of forest dependency. The study recommends the creation of off-farm opportunities and inclusion of local people in the management of forests through establishment of JFMCs, particularly for large and poor families. KW - decision-making behavior KW - socio-economic attributes KW - forest income dependency KW - total income obtained Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3441 SN - 2071-1050 VL - 13 IS - 16 PB - MDPI ER - TY - JOUR A1 - Roque, Dionísio A1 - Göttert, Thomas A1 - Macandza, Valério António A1 - Zeller, Ulrich T1 - Assessing Distribution Patterns and the Relative Abundance of Reintroduced Large Herbivores in the Limpopo National Park, Mozambique JF - Diversity N2 - This study is the first systematic assessment of large herbivore (LH) communities in Limpopo National Park (LNP) in Mozambique, an area where most LH species were extinct until the early 2000s. We investigate whether LH community parameters are linked with the availability of habitat types or the distance between sampling sites and the origin of LH resettlement. We placed camera traps in five habitat types in resettled and not-resettled areas to compare species richness, relative abundance index, grazers–browsers–mixed feeder and naïve occupancy of 15 LH species. While the richness decreased along the distance gradient of LH resettlement, relative abundance index strongly responded to habitat features. The grazer–browser–mixed feeder ratio oscillated, while from resettled to not-resettled areas, the ratio increased. Most species show a wide distribution range. The associations of most LH community parameters with habitat types rather than distance to initial release, together with the species-specific and guild-specific response patterns of LH, suggest LNP to already be in an intermediate stage of restoration. Our results highlight the importance of post-release monitoring of reintroduced wildlife as a tool to assess the success of ecological restoration initiatives in transboundary conservation areas. KW - camera trap KW - colonization KW - distribution patterns KW - relative abundance KW - ecological parameters KW - habitat types KW - large herbivores reintroduction KW - Limpopo National Park KW - Old Sanctuary Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3454 SN - 1424-2818 VL - 13 IS - 10 PB - MDPI ER - TY - JOUR A1 - Starik, Nicole A1 - Göttert, Thomas A1 - Zeller, Ulrich T1 - Spatial Behavior and Habitat Use of Two Sympatric Bat Species JF - Animals N2 - Movement behavior and habitat use of the long-eared bat species Plecotus auritus and Plecotus austriacus were studied in the Havelland region in Brandenburg (Germany). Data collection included mist-netting, radiotelemetry, reconstruction of prey items, and monitoring of roosting sites. Body measurements confirm a high degree of phenotypic similarity between the two species. Total activity areas (100% Minimum Convex Polygons, MCPS) of Plecotus austriacus (2828.3 ± 1269.43 ha) were up to five-fold larger compared to Plecotus auritus (544.54 ± 295.89 ha). The activity areas of Plecotus austriacus contained up to 11 distinct core areas, and their mean total size (149.7 ± 0.07 ha) was approximately three-fold larger compared to core areas of Plecotus auritus (49.2 ± 25.6 ha). The mean distance between consecutive fixes per night was 12.72 ± 3.7 km for Plecotus austriacus and 4.23 ± 2.8 km for Plecotus auritus. While Plecotus austriacus was located most frequently over pastures (>40%) and meadows (>20%), P. auritus was located mostly within deciduous (>50%) and mixed forests (>30%) in close vicinity to its roosts. Roost site monitoring indicates that the activity of P. austriacus is delayed relative to P. auritus in spring and declined earlier in autumn. These phenological differences are probably related to the species’ respective diets. Levins’ measure of trophic niche breadth suggests that the prey spectrum for P. auritus is more diverse during spring (B = 2.86) and autumn (B = 2.82) compared to P. austriacus (spring: B = 1.7; autumn: B = 2.1). Our results give reason to consider these interspecific ecological variations and species-specific requirements of P. auritus and P. austriacus to develop adapted and improved conservation measures. KW - Plecotus KW - resource partitioning KW - radio-tracking KW - activity areas KW - fecal analysis Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3465 SN - 2076-2615 VL - 11 IS - 12 PB - MDPI ER - TY - GEN A1 - Franzke, Christian L E A1 - Ciullo, Alessio A1 - Gilmore, Elisabeth A A1 - Matias, Denise Margaret A1 - Nagabhatla, Nidhi A1 - Orlov, Anton A1 - Paterson, Shona K A1 - Scheffran, Jürgen A1 - Sillmann, Jana T1 - Perspectives on tipping points in integrated models of the natural and human Earth system: cascading effects and telecoupling T2 - Environmental Research Letters N2 - The Earth system and the human system are intrinsically linked. Anthropogenic greenhouse gas emissions have led to the climate crisis, which is causing unprecedented extreme events and could trigger Earth system tipping elements. Physical and social forces can lead to tipping points and cascading effects via feedbacks and telecoupling, but the current generation of climate-economy models do not generally take account of these interactions and feedbacks. Here, we show the importance of the interplay between human societies and Earth systems in creating tipping points and cascading effects and the way they in turn affect sustainability and security. The lack of modeling of these links can lead to an underestimation of climate and societal risks as well as how societal tipping points can be harnessed to moderate physical impacts. This calls for the systematic development of models for a better integration and understanding of Earth and human systems at different spatial and temporal scales, specifically those that enable decision-making to reduce the likelihood of crossing local or global tipping points. KW - tipping points KW - cascading effects KW - coupling of natural and human Earth systems KW - telecoupling KW - extreme events Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3476 SN - 1748-9326 VL - 17 IS - 1 PB - IOP Publishing Ltd ER - TY - RPRT A1 - Brözel, Claudia T1 - Impulse für eine gelingende Kooperation zur Verbesserung der Verfügbarkeit glaubwürdiger Informationen zu nachhaltigen Angeboten im Tourismus aus der Pespektive der Stakeholder und der Intention Behaviour Gap - Mittels einer systemischen Visualisierung N2 - Im Rahmen der Dokumentation einer systemischen Aufstellung werden die Beziehungen zwischen den Elementen Plattformen und Zertifizierern sowie zwischen Anbietern in der touristischen Wertschöpfungskette und der Intention-Behaviour-Gap visualisiert. Durch die dadurch sichtbar werdenden Bedürfnisse, Risiken und Chancen lassen sich Rahmenbedingungen für gelingende Kooperationen ableiten. Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2682 ER - TY - JOUR A1 - Loebjinski, Maria A1 - Rug, Wolfgang A1 - Pasternak, Hartmut T1 - The Influence of Improved Strength Grading In Situ on Modelling Timber Strength Properties JF - Buildings N2 - The management and preservation of structures in our built environment are central and challenging tasks for practicing engineers. Within the CEN member states (European Committee for Standardization), the so-called Eurocodes form the basis of the design and verification of the load-bearing capacity of structures. Current Eurocodes do not contain special recommendations for existing structures, meaning that the principles for new structures are applied. This can lead to an incorrect estimation of the load-bearing capacity within the semi-probabilistic safety concept. A central task within the investigation and evaluation of existing structures is the strength grading of the material in situ using non-/semi-destructive technical devices. Studies show the potential of the ultrasonic time-of-flight measurement in combination with visual evaluation for an improved grading. The information on the material from an improved grading technique can be used to update the material parameters as a target variable using a measured reference variable. In this contribution, test data from a partner project (spruce, pine, and oak) are analyzed, applying the stochastic grading model of Pöhlmann and Rackwitz. It can be shown that different grading techniques influence the updated distribution function of the material strength within the grade. The results depend on the timber species. Perspectives to develop updated models dependent on the knowledge available are shown and discussed. KW - timber KW - existing structures KW - modelling material properties KW - code calibration KW - evaluation procedure Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2736 SN - 2075-5309 VL - 10 IS - 2 PB - MDPI ER - TY - CHAP A1 - Wozniak, Martin A1 - Wulf, Fabian A1 - Munier, Leo Felix A1 - Mund, Axel A1 - Pfriem, Alexander ED - Wagenführ, Andrè T1 - Reduce, Reuse, Recycle im Möbelsektor T2 - Tagungsband des 20. Holztechnologischen Kolloquiums Dresden 28.-29. April 2022 N2 - Aufgrund von Rohstoffknappheit auch bei nachwachsenden Rohstoffen kann das Recyceln von Holz und Holzwerkstoffen auch im Möbelsektor nur an vorletzter Stelle, vor der thermischen Verwertung, stehen. Davor gilt es, schon bei der Produktion den Materialeinsatz zu reduzieren bzw. Möbel so zu gestalten, dass eine verlängerte Nutzung möglich ist. Insgesamt muss die Produktnutzung intensiviert werden. Dafür sind unter anderem geeignete Businessmodelle erforderlich. Hiermit beschäftigt sich das Projekt PERMA an der HNEE. Wird Holz dann zum Altholz, muss die Nachnutzungsquote deutlich erhöht werden. Mit der Identifizierung und Indexierung von Altholz befasst sich daher das Kooperations-projekt WIn-Altholz. Sind allerdings Holzspan- und Holzfaserwerkstoffe beschä-digt oder werden nicht mehr benötigt, gibt es bisher keine sinnvollen Nachnut-zungsszenarien. Das Forschungsprojekt „Respan“ will nun ein Recyclingverfahren entwickeln, dass die Nachnutzung möglichst aller Bestandteile der Werkstoffe realisiert. KW - Holzwerkstoff KW - Kreislaufwirtschaft KW - Möbel KW - Recycling KW - Ressourceneffizienz Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2760 SN - 978-3-86780-705-0 SP - 79 EP - 87 PB - Selbstverlag TU Dresden CY - Dresden ER - TY - JOUR A1 - Eriksen, Ane A1 - Versluijs, Erik A1 - Fuchs, Boris A1 - Zimmermann, Barbara A1 - Wabakken, Petter A1 - Ordiz, Andrés A1 - Sunde, Peter A1 - Wikenros, Camilla A1 - Sand, Håkan A1 - Gillich, Benjamin A1 - Michler, Frank A1 - Nordli, Kristoffer A1 - Carricondo-Sanchez, David A1 - Gorini, Lucrezia A1 - Rieger, Siegfried T1 - A Standardized Method for Experimental Human Approach Trials on Wild Wolves JF - Frontiers in Ecology and Evolution N2 - As wolves recolonize areas of Europe ranging from moderate to high anthropogenic impact, fear of wolves is a recurring source of conflict. Shared tools for evaluating wolf responses to humans, and comparing such responses across their range, can be valuable. Experiments in which humans approach wild wolves can increase our understanding of how wolves respond to humans, facilitating human-wolf coexistence. We have developed the first standardized protocol for evaluating wolf responses to approaching humans using high-resolution GPS data, and tested it on wild wolves. We present a field protocol for experimentally approaching GPS-collared wolves, a descriptive comparison of two statistical methods for detecting a measurable flight response, a tutorial for identifying wolf flight initiation and resettling positions, and an evaluation of the method when reducing GPS positioning frequency. The field protocol, a data collection form, and the tutorial with R code for extracting flight parameters are provided. This protocol will facilitate studies of wolf responses to approaching humans, applicable at a local, national, and international level. Data compiled in a standardized way from multiple study areas can be used to quantify the variation in wolf responses to humans within and between populations, and in relation to predictors such as social status, landscape factors, or human population density, and to establish a baseline distribution of wolf response patterns given a number of known predictors. The variation in wolf responses can be used to assess the degree to which results can be generalized to areas where GPS studies are not feasible, e.g., for predicting the range of likely wolf behaviors, assessing the likelihood of wolf-human encounters, and complementing existing tools for evaluating reports of bold wolves. Showing how wolves respond to human encounters should help demystify the behavior of wild wolves toward humans in their shared habitat. KW - carnivores KW - changepoint analysis KW - field experiments KW - flight initiation distance (FID) KW - upper control limit (UCL) KW - wildlife-human interaction Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2788 SN - 2296-701X N1 - The Supplementary Material for this article can be found online at: https://www.frontiersin.org/articles/10.3389/fevo.2022.793307/full#supplementary-material VL - 10 PB - Frontiers Media S.A. ER - TY - JOUR A1 - Luo, Anran A1 - Zuberi, Mehwish A1 - Liu, Jiayu A1 - Perrone, Miranda A1 - Schnepf, Simone A1 - Leipold, Sina T1 - Why common interests and collective action are not enough for environmental cooperation – Lessons from the China-EU cooperation discourse on circular economy JF - Global Environmental Change N2 - Scholars have argued that circular economy (CE) must be upscaled and globalized to address excessive resource extraction and waste generation. Many CE practitioners consider the first international CE agreement between China and the EU a milestone towards such an effort. This analysis shows why this expectation is premature. European and Chinese stakeholders’ optimistic and depoliticized CE narratives disable communication regarding development disparities, negative competition and distrust, which shape geopolitical rivalry. While skeptical narratives that address political barriers exist, they fall short of suggesting alternatives. Based on 72 stakeholder interviews, 40 documents and participant observation, these results highlight the critical importance of investigating narrative strategies to repoliticize environmental cooperation. Such narrative strategies would support contestation and negotiation on development disparities and open channels for joint conceptualization of implementation scales for environmental strategies, circular or otherwise. We therefore propose using constructivist perspectives of international relations to explore discursive barriers and enablers to global environmental action. KW - Development KW - Trust KW - Circular economy KW - China KW - EU KW - International trade KW - Environmental cooperation Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2554 VL - 71 PB - Elsevier ER - TY - JOUR A1 - Sunde, Peter A1 - Collet, Sebastian A1 - Nowak, Carsten A1 - Thomsen, Philip Francis A1 - Møller Hansen, Michael A1 - Schulz, Björn A1 - Matzen, Jens A1 - Michler, Frank-Uwe A1 - Vedel-Smith, Christina A1 - Olsen, Kent T1 - Where have all the young wolves gone? Traffic and cryptic mortality create a wolf population sink in Denmark and northernmost Germany JF - Conservation Letters N2 - Large carnivores are currently recolonizing Europe following legal protection, but increased mortality in landscapes highly impacted by humans may limit further population expansion. We analyzed mortality and disappearance rates of 35 wolves (of which three emigrated, nine died and 14 disappeared by 1 January 2020) by genetic monitoring in the heavily cultivated and densely populated Jutland peninsula (Denmark and Schleswig-Holstein, Germany). Annual traffic kill rate estimates ranged from 0.37 (95% CI: 0.11–0.85) to 0.78 (0.51–0.96) in the German part, equivalent to 0.08 (0.02–0.29)–0.25 (0.13–0.46) for the entire region, in the absence of any registered Danish roadkills. In Denmark, annual mortality rate estimates ranged from 0.46 (0.29–0.67) to 0.52 (0.35–0.71), predominantly from cryptic mortality. Despite successful reproductions, we conclude the region is a wolf population sink, primarily driven by cryptic mortality, most likely illegal killing. We hypothesize that frequent encounters between wolves and wolf-averse persecutors in cultivated landscapes may cause unsustainably high mortality rates despite the majority of hunters respecting protection laws. KW - Canis lupus KW - Denmark KW - Genetic wildlife monitoring KW - Germany KW - Human-wildlife conflict KW - Illegal killings KW - Large carnivores KW - Poaching KW - Recolonization KW - Roadkills KW - Source-sink Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2565 SN - 1755-263X VL - 14 IS - 5 PB - Wiley ER - TY - JOUR A1 - Halwani, Mosab A1 - Reckling, Moritz A1 - Egamberdieva, Dilfuza A1 - Omari, Richard Ansong A1 - Bellingrath-Kimura, Sonoko Dorothea A1 - Bachinger, Johann A1 - Bloch, Ralf T1 - Soybean Nodulation Response to Cropping Interval and Inoculation in European Cropping Systems JF - Frontiers in Plant Science N2 - To support the adaption of soybean [Glycine max (L) Merrill] cultivation across Central Europe, the availability of compatible soybean nodulating Bradyrhizobia (SNB) is essential. Little is known about the symbiotic potential of indigenous SNB in Central Europe and the interaction with an SNB inoculum from commercial products. The objective of this study was to quantify the capacity of indigenous and inoculated SNB strains on the symbiotic performance of soybean in a pot experiment, using soils with and without soybean history. Under controlled conditions in a growth chamber, the study focused on two main factors: a soybean cropping interval (time since the last soybean cultivation; SCI) and inoculation with commercial Bradyrhizobia strains. Comparing the two types of soil, without soybean history and with 1–4 years SCI, we found out that plants grown in soil with soybean history and without inoculation had significantly more root nodules and higher nitrogen content in the plant tissue. These parameters, along with the leghemoglobin content, were found to be a variable among soils with 1–4 years SCI and did not show a trend over the years. Inoculation in soil without soybean history showed a significant increase in a nodulation rate, leghemoglobin content, and soybean tissue nitrogen concentration. The study found that response to inoculation varied significantly as per locations in soil with previous soybean cultivation history. An inoculated soybean grown on loamy sandy soils from the location Müncheberg had significantly more nodules as well as higher green tissue nitrogen concentration compared with non-inoculated plants. No significant improvement in a nodulation rate and tissue nitrogen concentration was observed for an inoculated soybean grown on loamy sandy soils from the location Fehrow. These results suggest that introduced SNB strains remained viable in the soil and were still symbiotically competent for up to 4 years after soybean cultivation. However, the symbiotic performance of the SNB remaining in the soils was not sufficient in all cases and makes inoculation with commercial products necessary. The SNB strains found in the soil of Central Europe could also be promising candidates for the development of inoculants and already represent a contribution to the successful cultivation of soybeans in Central Europe. KW - soybean KW - Bradyrhizobia KW - cropping interval KW - inoculation KW - nodulation KW - Central Europe Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2576 SN - 1664-462X VL - 12 PB - Frontiers Media S.A. ER - TY - JOUR A1 - Nosenko, Tetyana A1 - Hanke-Uhe, Manuel A1 - Heine, Philip Alexander A1 - Shahid, Afsheen A1 - Dübel, Stefan A1 - Rennenberg, Heinz A1 - Schumacher, Jörg A1 - Winkler, Jana Barbro A1 - Schnitzler, Jörg-Peter A1 - Hänsch, Robert A1 - Kaufholdt, David T1 - Plant Defense Proteins as Potential Markers for Early Detection of Forest Damage and Diseases JF - Frontiers in Forests and Global Change N2 - Over the last two decades, European forest ecosystems have been exposed to increasing stress associated with an increasing number, duration and severity of extreme events triggered by climate change (Dyderski et al., 2018). For forest plants, the concomitant stresses are not limited to direct detrimental effects of rising temperatures, drought and heavy rainfall, but also include enhanced virulence of native plant pathogens and herbivores and the introduction of new pests (Stenlid and Oliva, 2016). The detection of forest diseases at an early stage, when visible symptoms cannot yet be observed, is a crucial prerequisite to counteract regional spreading of pathogens. However, the effective monitoring of forest damage and diseases requires reliable and easy-to-use portable test systems. KW - Forest disease diagnostic KW - Molecular markers KW - Antimicrobial peptides KW - Defensins KW - Plant defense Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2587 SN - 2624-893X VL - 4 PB - Frontiers ER - TY - JOUR A1 - Primmer, Eeva A1 - Varumo, Liisa A1 - Krause, Torsten A1 - Orsi, Francesco A1 - Geneletti, Davide A1 - Brogaard, Sara A1 - Aukes, Ewert A1 - Ciolli, Marco A1 - Grossmann, Carol A1 - Hernández-Morcillo, Mónica A1 - Kister, Jutta A1 - Kluvánková, Tatiana A1 - Loft, Lasse A1 - Maier, Carolin A1 - Meyer, Claas A1 - Schleyer, Christian A1 - Spacek, Martin A1 - Mann, Carsten T1 - Mapping Europe’s institutional landscape for forest ecosystem service provision, innovations and governance JF - Ecosystem Services N2 - There has been a strong quest for mapping and assessing ecosystem services (ES) to support governance. Yet, the institutional landscape that governs ES provision across multiple contexts has received less attention. We fill this research gap by developing and operationalising a framework for the analysis of policy documents that address European forest ES provision. By coding and analysing references to forest ES as well as innovations and governance mechanisms addressing these ES in national strategies on forest, biodiversity and bioeconomy, we map the institutional landscape of forest ES provision in Europe. We further analyse how biophysical supply of forest ES is connected to policies paying attention to ES and identifying innovations and governance for their provision. Innovations identified in policies centre around value chains of wood and bioenergy or biodiversity conservation, while non-wood forest products, cultural heritage, and recreation receive little attention. Biophysical supply of provisioning ES is connected to policies emphasising many innovations, while little supply of regulating ES could trigger service innovations and several new governance mechanisms. As forest ecosystems have received much attention in global, European and national sustainability policies, our institutional mapping illustrates that there is room for more use of innovations in promoting ES provision. KW - Institutional landscape KW - Forest ecosystem services KW - Ecosystem services governance KW - Document analysis KW - Innovations KW - Policy analysis Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2597 SN - 2212-0416 VL - 47 PB - Elsevier ER - TY - JOUR A1 - Bose, Arun K. A1 - Scherrer, Daniel A1 - Camarero, j. Julio A1 - Ziche, Daniel A1 - Babst, Flurin A1 - Bigler, Christof A1 - Bolte, Andreas A1 - Dorado-Liñán, Isabel A1 - Etzold, Sophia A1 - Fonti, Patrick A1 - Forrester, David I. A1 - Gavinet, Jordane A1 - Gazol, Antonio A1 - González de Andrés, Ester A1 - Karger, Dirk Nikolaus A1 - Lebourgeois, Francois A1 - Lévesque, Mathieu A1 - Martínez-Sancho, Elisabet A1 - Menzel, Annette A1 - Neuwirth, Burkhard A1 - Nicolas, Manuel A1 - Sanders, Tanja G. M. A1 - Scharnweber, Tobias A1 - Schröder, Jens A1 - Zweifel, Roman A1 - Gessler, Arthur A1 - Rigling, Andreas T1 - Climate sensitivity and drought seasonality determine post-drought growth recovery of Quercus petraea and Quercus robur in Europe JF - Science of The Total Environment N2 - Recent studies have identified strong relationships between delayed recovery of tree growth after drought and tree mortality caused by subsequent droughts. These observations raise concerns about forest ecosystem services and post-drought growth recovery given the projected increase in drought frequency and extremes. For quantifying the impact of extreme droughts on tree radial growth, we used a network of tree-ring width data of 1689 trees from 100 sites representing most of the distribution of two drought tolerant, deciduous oak species (Quercus petraea and Quercus robur). We first examined which climatic factors and seasons control growth of the two species and if there is any latitudinal, longitudinal or elevational trend. We then quantified the relative departure from pre-drought growth during droughts, and how fast trees were able to recover the pre-drought growth level. Our results showed that growth was more related to precipitation and climatic water balance (precipitation minus potential evapotranspiration) than to temperature. However, we did not detect any clear latitudinal, longitudinal or elevational trends except a decreasing influence of summer water balance on growth of Q. petraea with latitude. Neither species was able to maintain the pre-drought growth level during droughts. However, both species showed rapid recovery or even growth compensation after summer droughts but displayed slow recovery in response to spring droughts where none of the two species was able to fully recover the pre-drought growth-level over the three post-drought years. Collectively, our results indicate that oaks which are considered resilient to extreme droughts have also shown vulnerability when droughts occurred in spring especially at sites where long-term growth is not significantly correlated with climatic factors. This improved understanding of the role of drought seasonality and climate sensitivity of sites is key to better predict trajectories of post-drought growth recovery in response to the drier climate projected for Europe. KW - Climate change KW - Warming KW - Drought KW - Legacy effects KW - Acclimation KW - Tree rings Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2609 SN - 1879-1026 VL - 784 PB - Elsevier ER - TY - GEN A1 - Care, O. A1 - Bernstein, M. J. A1 - Chapman, M. A1 - Diaz Reviriego, I. A1 - Dressler, G. A1 - Felipe-Lucia, M. R. A1 - Friis, C. A1 - Graham, S. A1 - Haenke, H. A1 - Haider, L. J. A1 - Hernández-Morcillo, Mónica A1 - Hoffmann, H. A1 - Kernecker, M. A1 - Nicol, P. A1 - Piñeiro, C. A1 - Pitt, H. A1 - Schill, C. A1 - Seufert, V. A1 - Shu, K. A1 - Valencia, V. A1 - Zaehringer, J. G. T1 - Creating leadership collectives for sustainability transformations T2 - Sustainability Science N2 - Enduring sustainability challenges requires a new model of collective leadership that embraces critical reflection, inclusivity and care. Leadership collectives can support a move in academia from metrics to merits, from a focus on career to care, and enact a shift from disciplinary to inter- and trans-disciplinary research. Academic organisations need to reorient their training programs, work ethics and reward systems to encourage collective excellence and to allow space for future leaders to develop and enact a radically re-imagined vision of how to lead as a collective with care for people and the planet. KW - Sustainability transition KW - Collegiality KW - Well-being KW - Equality KW - Academic practice Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2615 VL - 16 SP - 703 EP - 708 PB - Springer Nature ER - TY - JOUR A1 - Hentschel, Rainer A1 - Möller, Katrin A1 - Wenning, Aline A1 - Degenhardt, Annett A1 - Schröder, Jens T1 - Importance of Ecological Variables in Explaining Population Dynamics of Three Important Pine Pest Insects JF - Frontiers in Plant Science N2 - Climate change challenges forest vitality both directly by increasing drought and heat periods and indirectly, e.g., by creating favorable conditions for mass outbreaks of phyllophagous insects. The large forests dominated by Scots pine (Pinus sylvestris L.) that cover the lowland regions in northeast Germany have already been affected regularly by cyclic mass propagations of defoliating insect species in the past with climate projections implying an even more advantageous environment for devastating outbreaks in the future. To improve predictive and responsive capacities we have investigated a wide range of ecological parameters to identify those most strongly related to past outbreak waves of three central species. In total, we analyzed 3,748 variables covering stand and neighborhood properties, site quality, and climatic conditions for an area of roughly 750,000 ha of pine forests in the period 2002–2016. To reflect sensitivity against varying climate, we computed “floating windows” in relation to critical phenological phases of the respective insects. The parameters with the highest explanatory power resulted from the variable importance measures of the Random Forest (RF) methodology and have been evaluated by a 10-fold cross-validation process. Our findings closely reflect the known specific gradation patterns and show that relative variable importance varies with species. While Lymantria monacha L. feeding was mainly dependent on the surroundings of the respective stand, Diprion pini L. proved to be almost exclusively susceptible to climatic effects in its population dynamics. Dendrolimus pini L. exhibited a mixed pattern of variable importance involving both climatic and forest structure parameters. In many cases the obtained statistical results support well-known ecological cause-effect relations and long-term population change dynamics. The RF delivered very high levels of sensitivity and specificity in the developed classifications and proved to be an excellent tool to handle the large amounts of data utilized for this study. While the presented classification approach may already support a better prognosis of the amplitude during the outbreak culmination, the obtained (most important) variables are proposed as preferable covariates for modeling population dynamics of the investigated insect species. KW - ecological modeling KW - Random Forest KW - mass outbreak KW - Pinus sylvestris KW - Lymantria monacha KW - Dendrolimus pini KW - Diprion pini Y1 - 2018 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3285 SN - 1664-462X IS - 9 PB - Frontiers Media S.A. ER - TY - JOUR A1 - Vogel, Sebastian A1 - Gebbers, Robin A1 - Oertel, Marcel A1 - Kramer, Eckart T1 - Evaluating Soil-Borne Causes of Biomass Variability in Grassland by Remote and Proximal Sensing JF - Sensors N2 - On a grassland field with sandy soils in Northeast Germany (Brandenburg), vegetation indices from multi-spectral UAV-based remote sensing were used to predict grassland biomass productivity. These data were combined with soil pH value and apparent electrical conductivity (ECa) from on-the-go proximal sensing serving as indicators for soil-borne causes of grassland biomass variation. The field internal magnitude of spatial variability and hidden correlations between the variables of investigation were analyzed by means of geostatistics and boundary-line analysis to elucidate the influence of soil pH and ECa on the spatial distribution of biomass. Biomass and pH showed high spatial variability, which necessitates high resolution data acquisition of soil and plant properties. Moreover, boundary-line analysis showed grassland biomass maxima at pH values between 5.3 and 7.2 and ECa values between 3.5 and 17.5 mS m−1. After calibrating ECa to soil moisture, the ECa optimum was translated to a range of optimum soil moisture from 7% to 13%. This matches well with to the plant-available water content of the predominantly sandy soil as derived from its water retention curve. These results can be used in site-specific management decisions to improve grassland biomass productivity in low-yield regions of the field due to soil acidity or texture-related water scarcity. KW - apparent electrical conductivity (ECa) KW - pH KW - UAV KW - boundary-line KW - quantile regression KW - law of minimum Y1 - 2019 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3294 SN - 1424-8220 VL - 19 IS - 20 PB - MDPI ER - TY - JOUR A1 - Halwani, Mosab A1 - Reckling, Moritz A1 - Schuler, Johannes A1 - Bloch, Ralf A1 - Bachinger, Johann T1 - Soybean in No-Till Cover-Crop Systems JF - Agronomy N2 - Introducing agro-ecological techniques such as no-tillage systems with cover crops in rotations with soybean (Glycine max (L.) Merr.) could provide more resilience to changing climatic conditions and, at the same time, reduce soil erosion, nitrate leaching, and weed density in the main crop. However, there are challenges in introducing no-tillage techniques in crop systems in Europe as there is little quantitative knowledge about the agro-economic impact. The objectives of this study were to evaluate the agronomic and economic impacts of three soybean cropping systems involving a rye (Secale cereal L.) cover crop prior to soybean, i.e., two no-tillage systems; either herbicide-free with crimping the rye or herbicide-based without rye crimping and one plough-based in which rye was cut as green silage. The impacts of these cropping strategies were compared in a three-year cropping system experiment at a research station in north-eastern Germany with and without irrigation. The following parameters were measured: (1) cover crop biomass; (2) weed biomass; (3) soybean plant density; (4) soybean grain yield; and (5) gross margin of the cropping system. The results showed that all three soybean cropping systems can effectively suppress weeds. System (C), the no-tillage herbicide-based system, produced the lowest rye biomass and highest soybean yield; system (B), the no-tillage herbicide-free/crimped rye system, produced the highest rye biomass and lowest soybean yield compared to system (A), the standard cutting/plough-based system. The differences in rye biomass and soybean yield observed between the three systems could be mainly attributed to the timing of the cover crop termination and the soybean sowing date. The gross margin was highest in system (C), due to the high soybean grain yield. The low soybean grain yield in system (B) resulted in lower revenues and gross margins compared to systems (A) and (C), although system (B) could be economically attractive in organic farming with higher prices for organic soybean. In the particularly dry year 2016, gross margins were higher when soybean was irrigated compared to the rainfed cultivation, due to significantly higher grain yields. Before recommending the application of the no-tillage with cover crop technique for the conditions tested in north-eastern Germany, more investigations on the benefits and risks of this technique are needed. Further research needs to focus on maintaining a high rye biomass as well as on ensuring an early soybean planting date. Optimizing the crimping and drilling equipment is still required in order to develop good management practices for no-tillage herbicide-free systems in European conditions. KW - no-tillage KW - cover crop KW - irrigation KW - weed suppression KW - gross margin Y1 - 2019 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3314 SN - 2073-4395 VL - 9 IS - 12 PB - MDPI ER - TY - JOUR A1 - Jha, Srijna A1 - Kächele, Harald A1 - Sieber, Stefan T1 - Factors Influencing the Adoption of Water Conservation Technologies by Smallholder Farmer Households in Tanzania JF - Water N2 - In Tanzania, the increasing population coupled with climate change amplifies issues of food insecurity and negatively impacts the livelihoods of smallholder farmer households. To address these issues a range of water conservation techniques (WCTs) have been useful. However, the adoption of these WCTs in Tanzania has been limited due to many reasons. With the objective to better understand and identify the factors that significantly influence the adoption of WCTs in Tanzania, the study uses survey data from 701 smallholder farmer households and a bivariate logistic regression, to provide, for the first time, a comprehensive model for the adoption of WCTs in Tanzania that includes a range of individual, household, socio-economic, and farmer perception related variables (factors). The evaluation shows that 120 farmers (17.12%) adopted WCTs and finds the farmer perceptions of rainfall instability, household wealth, and food security to be crucial. The results suggest that policy interventions should encourage conservation behavior (especially when the rainfall is perceived to be uncertain), emphasize the economic and food security-related benefits of adopting WCTs, include strategies that make adoption of WCTs attractive to female-led households, attempt to reach greater number of farmers via social networks and provide better access to public funds for farmers. KW - decision-making KW - logit regression KW - farmer perceptions KW - social networks KW - public funds KW - water conservation adoption Y1 - 2019 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3320 SN - 2073-4441 VL - 11 IS - 12 PB - MDPI ER - TY - JOUR A1 - Mahmood, Nasir A1 - Arshad, Muhammad A1 - Kächele, Harald A1 - Shahzad, Muhammad Faisal A1 - Ullah, Ayat A1 - Mueller, Klaus T1 - Fatalism, Climate Resiliency Training and Farmers’ Adaptation Responses: Implications for Sustainable Rainfed-Wheat Production in Pakistan JF - Sustainability N2 - Climate change is a severe threat to the agricultural sector in general and to rainfed farming in particular. The aim of this study was to investigate the factors that can potentially affect the adaptation process against climate change. This study focused on wheat farmers and farming systems in the rainfed agroecological zone of Pakistan. Farmers’ data related to climate change fatalism, the availability of climate-specific extension services, socioeconomic and institutional variables, and farm characteristics were collected. A logit model to assess farmers’ decisions to adopt an adaptation measure and a multinomial logit model to assess their choice of various adaptation measures were used. The results showed that fatalistic farmers were unlikely to implement climate change adaptation measures. The variables related to the climate-specific extension services, including farmers’ participation in training on climate-resilient crop farming and the availability of mobile communication-based advisory services, had highly significant and positive impacts on farmers’ decisions and their choice of adaptation measures. Input market access and tractor ownership also had positive and significant impacts on farmers’ decisions to adapt and their choice of adaptation measures. This study highlights the need to improve rainfed-wheat farmers’ education levels to change their fatalistic attitudes towards climate change. Furthermore, government action is needed to provide climate-specific extension services to ensure sustainable production levels that will ultimately lead to food and livelihood security under a changing climate. KW - fatalism KW - climate-specific extension service KW - climate-resilient farming KW - rainfed farming KW - adaptation Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3338 SN - 2071-1050 VL - 12 IS - 4 PB - MDPI ER - TY - JOUR A1 - Jha, Srijna A1 - Kächele, Harald A1 - Lana, Marcos A1 - Amjath-Babu, T.S A1 - Sieber, Stefan T1 - Exploring Farmers’ Perceptions of Agricultural Technologies: A Case Study from Tanzania JF - Sustainability N2 - The low agricultural productivity of key crops and food insecurity continue to be key issues in Sub-Saharan Africa (SSA) and Tanzania. The growing population, depleting resources, and changing climate further amplify these issues. Globally, many agricultural technologies (AgTs) are available as pathways for improved agricultural productivity and food security, however, they have had relatively little success in SSA and Tanzania. This is because the uptake of AgTs is a complex process, which is highly localized, involving multiple actors, stages, and spatial and time dimensions. Smallholder farmers often experience issues of sustainability, constraints for adoption, and scaling-up throughout the uptake process of AgTs, all of which vary by region. This indicates a need for a systematic and simultaneous understanding of sustainability, constraints for adoption, and scaling-up of AgTs to better guide agricultural strategy and policy interventions in SSA and Tanzania. Moreover, in order to understand the local settings better, a consideration of the perceptions of the farmers themselves, who are the primary actors in the uptake process of AgTs, is key. Acknowledging this, the study takes on a case study approach, using the scaling-up assessment (ScalA) method and three focus group discussions with a total of 44 smallholder farmers to systematically and simultaneously assess the sustainability, constraints for adoption, and scaling-up of three AgTs (use of fertilizers, improved seeds, and small-scale irrigation) in Tanzania. The study finds that the farmers perceive all three AgTs to be sustainable for the study region. Adoption rates are perceived to be medium for use of fertilizers, high for improved seeds, and low for small-scale irrigation. The most significant constraints for adoption experienced by the farmers are lack of technical physical inputs, marketing facilities, and know-how. Scaling-up is perceived to be well fulfilled for use of fertilizers and improved seeds, but only partially fulfilled for small-scale irrigation, which is the most limited of the three AgTs. The most significant constraints for scaling-up experienced by farmers are a lack of confidence in the added value of the AgTs beyond project activities, marketing facilities, and technical physical inputs. The overall success potential is high for the use of fertilizers and improved seeds, and the average for small-scale irrigation. The farmers’ perceptions partially indicate why the bundle of AgTs is lacking in the study region and provide a basis for discussing targeted agricultural and policy interventions in Tanzania. KW - sustainability KW - adoption KW - scaling-up KW - agricultural technologies KW - farmer perceptions KW - agricultural productivity KW - food security KW - Tanzania Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3340 SN - 2071-1050 VL - 13 IS - 3 PB - MDPI ER - TY - JOUR A1 - Anees, Mangalasseril Mohammad A1 - Mann, Deepika A1 - Sharma, Mani A1 - Banzhaf, Ellen A1 - Joshi, Pawan K T1 - Assessment of Urban Dynamics to Understand Spatiotemporal Differentiation at Various Scales Using Remote Sensing and Geospatial Tools JF - Remote Sensing N2 - Analysis of urban dynamics is a pivotal step towards understanding landscape changes and developing scientifically sound urban management strategies. Delineating the patterns and processes shaping the evolution of urban regions is an essential part of this step. Utilizing remote-sensing techniques and Geographic Information System (GIS) tools, we performed an integrated analysis on urban expansion in Srinagar city and surrounding areas from 1999 to 2017 at multiple scales in order to assist urban planning initiatives. To capture various spatial indicators of expansion, we analysed (i) land use/land cover (LULC) changes, (ii) rate and intensity of changes to built-up areas, (iii) spatial differentiation in landscape metrics (at 500, 1000 and 2000 m cell-size), and (iv) growth type of the urban expansion. Global Moran’s I statistics and local indicators of spatial association (LISA) were also employed to identify hotspots of change in landscape structure. Our methodology utilizes a range of geovisualization tools which are capable of appropriately addressing various elements required for strategic planning in growing cities. The results highlight aggregation and homogenization of the urban core as well as irregularity and fragmentation in its periphery. A combination of spatial metrics and growth type analysis supports the supposition that there is a continuum in the diffusion-coalescence process. This allows us to extend our understanding of urban growth theory and to report deviations from accepted stages of growth. As our results show, each dominating growth phase of the city—both diffusion (1999) and coalescence (2009 and 2017)—is interspersed with features from the other type. An improved understanding of spatial differentiation and the identification of hotspots can serve to make urban planning more tailored to such local conditions. An important insight derived from the results is the applicability of remote-sensing data in urban planning measures and the usefulness of freely available medium resolution data in gaining a comprehensive understanding of the evolution of cities. KW - landscape metrics KW - growth type KW - spatio-autocorrelation KW - urban growth theory KW - Srinagar KW - Himalaya Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3368 SN - 2072-4292 VL - 12 IS - 8 PB - MDPI ER - TY - JOUR A1 - Vogel, Sebastian A1 - Bönecke, Eric A1 - Kling, Charlotte A1 - Kramer, Eckart A1 - Lück, Katrin A1 - Nagel, Anne A1 - Philipp, Golo A1 - Rühlmann, Jörg A1 - Schröter, Ingmar A1 - Gebbers, Robin T1 - Base Neutralizing Capacity of Agricultural Soils in a Quaternary Landscape of North-East Germany and Its Relationship to Best Management Practices in Lime Requirement Determination JF - Agronomy N2 - Despite being a natural soil-forming process, soil acidification is a major agronomic challenge under humid climate conditions, as soil acidity influences several yield-relevant soil properties. It can be counterbalanced by the regular application of agricultural lime to maintain or re-establish soil fertility and to optimize plant growth and yield. To avoid underdose as well as overdose, lime rates need to be calculated carefully. The lime rate should be determined by the optimum soil pH (target pH) and the response of the soil to lime, which is described by the base neutralizing capacity (BNC). Several methods exist to determine the lime requirement (LR) to raise the soil pH to its optimum. They range from extremely time-consuming equilibration methods, which mimic the natural processes in the soil, to quick tests, which rely on some approximations and are designed to provide farmers with timely and cost-efficient data. Due to the higher analytical efforts, only limited information is available on the real BNC of particular soils. In the present paper, we report the BNC of 420 topsoil samples from Central Europe (north-east Germany), developed on sediments from the last ice age 10,000 years ago under Holocene conditions. These soils are predominantly sandy and low in humus, but they exhibit a huge spatial variability in soil properties on a small scale. The BNC was determined by adding various concentrations of Ca(OH)2 and fitting an exponential model to derive a titration curve for each sample. The coefficients of the BNC titration curve were well correlated with soil properties affecting soil acidity and pH buffer capacity, i.e., pH, soil texture and soil organic matter (SOM). From the BNC model, the LRs (LRBNC) were derived and compared with LRVDLUFA based on the standard protocol in Germany as established by the Association of German Agricultural Analytic and Research Institutes (VDLUFA). The LRBNC and LRVDLUFA correlated well but the LRVDLUFA were generally by approximately one order of magnitude higher. This is partly due to the VDLUFA concept to recommend a maintenance or conservation liming, even though the pH value is in the optimum range, to keep it there until the next lime application during the following rotation. Furthermore, the VDLUFA method was primarily developed from field experiments where natural soil acidification and management practices depressed the effect of lime treatment. The BNC method, on the other hand, is solely based on laboratory analysis with standardized soil samples. This indicates the demand for further research to develop a sound scientific algorithm that complements LRBNC with realistic values of annual Ca2+ removal and acidification by natural processes and N fertilization. KW - soil acidity KW - pH buffer capacity KW - soil-base titration KW - titration curve Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-3370 SN - 2073-4395 VL - 10 IS - 6 PB - MDPI ER - TY - JOUR A1 - Tanneberger, Franziska A1 - Birr, Friedrich A1 - Couwenberg, John A1 - Kaiser, Moritz A1 - Luthardt, Vera A1 - Nerger, Monique A1 - Pfister, Sonja A1 - Oppermann, Rainer A1 - Zeitz, Jutta A1 - Beyer, Colja A1 - van der Linden, Sebastian A1 - Wichtmann, Wendelin A1 - Närmann, Felix T1 - Saving soil carbon, greenhouse gas emissions, biodiversity and the economy: paludiculture as sustainable land use option in German fen peatlands JF - Regional Environmental Change N2 - Peatlands in the European Union are largely drained for agriculture and emit 25% of the total agricultural greenhouse gas emissions. Drainage-based peatland use has also negative impacts on water quality, drinking water provision and biodiversity. Consequently, key EU environmental policy objectives include the rewetting of all drained peatlands as an essential nature-based solution. Rewetting of peatlands can be combined with site-adapted land use, so-called paludiculture. Paludiculture produces biomass from wet and rewetted peatlands under conditions that maintain the peat body, facilitate peat accumulation and can provide many of the ecosystem services associated with natural, undrained peatlands. The biomass can be used for a wide range of traditional and innovative food, feed, fibre and fuel products. Based on examples in Germany, we have analysed emerging paludiculture options for temperate Europe with respect to greenhouse gas fluxes, biodiversity and indicative business economics. Best estimates of site emission factors vary between 0 and 8 t CO2eq ha−1 y−1. Suitability maps for four peatland-rich federal states (76% of total German peatland area) indicate that most of the drained, agriculturally used peatland area could be used for paludiculture, about one-third of the fen area for any paludiculture type. Fen-specific biodiversity benefits from rewetting and paludiculture, if compared to the drained state. Under favourable conditions, paludiculture can be economically viable, but costs and revenues vary considerably. Key recommendations for large-scale implementation are providing planning security by paludiculture spatial planning, establishing best practice sites and strengthening research into crops, water tables and management options. KW - Agriculture; Biodiversity; Ecosystem services; Greenhouse gases; Mitigation; Organic soil Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-5003 SN - 1436-3798 SN - 1436-378X VL - 22 PB - Springer Nature ER - TY - JOUR A1 - Missall, Siegmund A1 - Abliz, Abdulla A1 - Halik, Ümüt A1 - Thevs, Niels A1 - Welp, Martin T1 - Trading Natural Riparian Forests for Urban Shelterbelt Plantations—A Sustainability Assessment of the Kökyar Protection Forest in NW China JF - Water N2 - Cities at the fringe of the Taklimakan desert in NW China are prone to dust and sand storms with serious consequences for human well-being. The Kökyar Protection Forest was established in the 1980s as an ecological engineering project with the intent of protecting the city of Aksu, NW China, from these impacts. It is designed as a combination of poplar shelterbelts and orchards, irrigated by river water from the Aksu River, the main tributary of the Tarim River. Prevalent literature describes it as an afforestation project for combatting desertification with manifold positive effects for the economic, social, and environmental dimension of sustainable development. This paper sets out to challenge these claims by a sustainability assessment in which the plantation is examined from a broader perspective, embedding it to the wider context of social and environmental problems in South Xinjiang. Methods comprise evapotranspiration calculations, interviews, a socioeconomic household survey, stakeholder dialogues, and literature research. Results affirm its economic sustainability, but see a mixed record for the social sphere. From the nature conservation point of view, it has to be classified as unsustainable because its high irrigation water consumption results in the downstream desiccation and desertification of natural riparian forests along the Tarim River, causing a forest loss in the downstream area twice the size of the forest gain in the upstream area. There is a trade-off between artificial shelterbelt plantations for urban ecosystem services on the one hand side, and natural riparian forests and their biodiversity on the other hand side. The paper recommends restricting agricultural extension, and using locally adapted less water consuming agroforestry schemes to protect urban dwellers from dust stress. KW - Central Asia; Tarim River; shelterbelt; Tugai; desertification; sustainability; afforestation; ecosystem services; ecological engineering Y1 - 2018 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-5022 SN - 2073-4441 IS - 10(3) ER - TY - BOOK A1 - Molitor, Heike A1 - Peters, Jürgen A1 - Martens, Dörte A1 - Pretzsch, Maren A1 - Friede, Claudia A1 - Heimann, Jutta A1 - Wilitzki, Annemarie ED - Bundesamt für Naturschutz (BfN), T1 - Naturerfahrungsräume in Großstädten : Flächenentwicklung – Kinderspiel – rechtliche Rahmenbedingungen T3 - BfN-Skripten 560 N2 - Im Rahmen eines vom Bundesamt für Naturschutz (BfN) mit Mitteln des Bundesministeriums für Umwelt, Naturschutz und nukleare Sicherheit (BMU) geförderten Erprobungs- und Entwicklungs-(E+E-)Vorhabens „Naturerfahrungsräume in Großstädten am Beispiel Berlin“ wurde in einer viereinhalbjährigen Begleituntersuchung die Neueinrichtung von Naturerfahrungsräumen (NER) in Berlin wissenschaftlich untersucht. Das zu Grunde gelegte Konzept der NER für Großstädte in Deutschland knüpft an die Vorarbeiten von Schemel & Wilke (2008) und Stopka & Rank (2013) an. Gegenstand der wissenschaftlichen Begleitung sind die neu eingerichteten Berliner NER „Wilde Welt“ am Spieroweg in Spandau, an der Moorwiese in Pankow und auf dem Kienberg in Marzahn-Hellersdorf. Alle drei untersuchten NER haben einen räumlichen Bezug zu Großwohnsiedlungen. Sie variieren sowohl in ihrer Größe (von 0,54 ha bis 1,58 ha) als auch in ihrer Vegetationsausstattung. Weiterentwicklungen des Konzeptes sind eine Anbindung der Pilotflächen an Einrichtungen der Kinder- und Jugendhilfe sowie die Beschäftigung von Kümmer(er)*innen. Darüber hinaus wurden Erfahrungen in der Einrichtung und im Betrieb bisheriger NER in ganz Deutschland ausgewertet. Ziel der wissenschaftlichen Begleitung war es, in einem interdisziplinären Ansatz einerseits das Spielverhalten von Kindern in NER sowie die Akzeptanz dieser Räume zu untersuchen. Andererseits ging es darum, die gesetzlichen und institutionellen Rahmenbedingungen, die für die Einrichtung und den Betrieb der NER förderlich oder hemmend wirken, zu analysieren. Drittens sollte der Zusammenhang zwischen dem Spielverhalten der Kinder und der Entwicklung von Flora, Vegetation und Fauna auf diesen Flächen untersucht werden, um hieraus Rückschlüsse auf die Größe und Ausstattung von NER und auf die Notwendigkeit pflegerischer Eingriffe ziehen zu können. In der Begleituntersuchung wurden die drei Arbeitsbereiche Lebensqualität (Spielverhalten, Gesundheitsvorsorge, (pädagogische) Begleitung durch Kümmer(er)*innen, Akzeptanz, Partizipation), Planungsqualität (gesetzliche Rahmenbedingungen, Betreiber*innen-Modelle, Flächengestaltung, Sicherheit und Haftung) und ökologische Qualität (Entwicklung von Flora, Vegetation und Fauna, Nutzungsspuren und Flächenentwicklung, Flächenpflege) unterschieden. Entsprechend des Umfangs des Untersuchungsgegenstandes kam eine Vielzahl von Erhebungsmethoden zum Einsatz. Für den Bereich Lebensqualität war die Beobachtung des Spielverhaltens von Kindern ein wesentlicher methodischer Baustein. Darüber hinaus wurden Interviews mit relevanten Akteur*innen (Kümmer(er)*innen, Pädagog*innen, Kinder und Eltern) dieses Bereiches geführt. Im Bereich der Planungsqualität sind mithilfe von Expert*inneninterviews Erkenntnisse über hemmende und fördernde Bedingungen in der Einrichtung und im Betrieb der NER gewonnen worden. Zusätzlich wurde eine mit der Materie vertraute Anwaltskanzlei hinzugezogen, die den Stand des Wissens zur Bedeutung der Verkehrssicherungspflicht und zu den Möglichkeiten der planungsrechtlichen Verankerung von NER zusammenfassend darstellte. Für den Bereich der ökologischen Qualität sind in den NER Flora (Gefäßpflanzenarten), Biotoptypen, Vegetationsstruktur und aussagekräftige Tiergruppen (Avifauna, Tagfalter und tag- aktive Nachtfalter, Heuschrecken und Grillen) über einen Zeitraum von vier Jahren untersucht worden. Die Dokumentation von Trampelpfaden und eine Fotodokumentation des Zustands der Vegetationsentwicklung über die Jahre stellten einen weiteren methodischen Baustein dar. Im Ergebnis zeigte sich, dass das Spielverhalten von Kindern auf NER wesentlich vielfältiger ist als auf herkömmlichen Kinderspielplätzen. Gerade die natürliche Ausstattung der NER und damit verbunden der Aufforderungscharakter der unterschiedlichen natürlichen Elemente führt zu einem komplexeren Spielverhalten, die Kreativität und Fantasie der Kinder wird gefördert. Kinder machen nicht nur wichtige und vielfältige Naturerfahrungen, sie werden auch in ihrem Sozialverhalten positiv unterstützt. So profitieren gerade Kinder, die in einer Großstadt aufwachsen, wenig Zugang zur Natur haben und stärker unter dem Natur-Entfremdungssyndrom leiden, von dem Besuch eines NER. Der Aufenthalt in natürlicher Umwelt wirkt sich auch positiv auf Gesundheitsaspekte aus, beispielsweise auf Selbstwirksamkeit, Wohlbefinden, Verantwortungsgefühl und Erholung. Herauszustellen ist die Bedeutung des/der Kümmer(ers)*in für den erfolgreichen Betrieb eines NER. Dieser/Diese Kümmer(er)*in ist Ansprechperson für Kinder aber auch für pädagogische Fachkräfte, Eltern und die Nachbarschaft. Zudem sorgt er/sie für die Sicherheit und Sauberkeit im NER und beteiligt die Kinder bei der Pflege und dem Unterhalt im NER. Viele Eltern unterstützen grundsätzlich den Besuch ihres Kindes in einem NER. Die Akzeptanz der Eltern hinsichtlich des Aufenthaltes der Kinder im NER ist besonders groß, wenn die Kinder bei der Planung und Einrichtung des NER beteiligt waren. In Hinblick auf die planungsrechtliche Entwicklung ist es bedeutsam, dass neben der Einführung des NER im Bundesnaturschutzgesetz im Jahre 2009 nunmehr auch die Bestrebung besteht, den Begriff im Baugesetzbuch zu verankern. NER sollten als wichtige Bestandteile eines städtischen Grünflächensystems gerade auch in hoch verdichteten Stadträumen in den Flächennutzungs- und Bebauungsplänen der Kommunen rechtssicher festgesetzt werden können. Vorbildhaft zeigen sich außerhalb Berlins 14 weitere Groß- und Mittelstädte, in denen bereits NER oder dem Konzept entsprechende Flächen eingerichtet werden konnten. Einige andere deutsche Kommunen haben bereits von dem Konzept gehört und planen selbst die Einrichtung solcher Flächen. Diese Bestrebungen sind zu unterstützen. Unsicherheiten in der Einschätzung der Verkehrssicherungspflicht für NER halten offenbar immer noch viele Kommunen davon ab, NER einzurichten und zu betreiben. Hierauf deuten Aussagen von Kommunalvertretern hin. Ein aktives Sicherheitsmanagement, das bereits in der Planung und Gestaltung der Flächen ansetzt, kann die Risiken für den/die Flächenbetreiber*in auf ein Minimum beschränken. Auch hier, das haben die Aussagen der Betreiber*innen von NER gezeigt, ist die institutionelle Verankerung eines/einer Kümmer(ers)*in und die vertrauensvolle Kooperation zwischen Flächeneigentümer*in, Flächenbetreibenden und für die Pflege Verantwortlichen für ein erfolgreiches Sicherheitsmanagement wesentlich. Die ökologische Begleituntersuchung zeigte, dass die als Pilotflächen ausgewählten NER eine artenreiche Flora und Fauna aufweisen. Positiv für eine hohe Artenvielfalt der betrachteten Artengruppen ist eine Mischung aus unterschiedlichen Vegetationsbereichen, die eine hohe Strukturvielfalt ergeben. Beim Kinderspiel kommt es zu leichten Abnutzungserscheinungen wie Trampelpfaden und Rindenschäden an Gehölzen. Die Nutzung führte im Untersuchungszeitraum nicht zu einem Verlust gefährdeter Tier- und Pflanzenarten und beeinträchtigte nicht die Gesamtartenzahlen der untersuchten Tiergruppen. Das Kinderspiel sorgte allerdings für eine gewisse Dynamik in der Vielfalt der Pflanzenarten über die Zeit. Die Vegetationsstruktur wird davon aber nur kleinräumig beeinflusst. Andere Faktoren wie der Witterungsverlauf in den Untersuchungsjahren, die natürliche Sukzession sowie Bau-, Sicherungs- und Pflegemaßnahmen sind entscheidender. Da Bau- und Pflegemaßnahmen auch die Fauna beeinflussen, sollten diese behutsam durchgeführt werden und in für Flora und Fauna unproblematischen Zei- ten erfolgen. Anfangsgestaltungen und Sicherungsmaßnahmen erhöhen aber auch die Strukturvielfalt, was auf längere Sicht zu einer Zunahme der Artenvielfalt führen kann. Die Nutzung der NER kann also im Rahmen der untersuchten Parameter im Untersuchungszeitraum als nachhaltig angesehen werden. Die NER blieben attraktiv für das Kinderspiel. Ein längerfristig angelegtes ökologisches Monitoring kann weitergehende Erkenntnisse liefern, um die richtige Balance zwischen Nutzungsintensität und ökologischer Flächenentwicklung zu finden. Insgesamt lässt sich schon jetzt das Fazit ziehen, dass die Einrichtung von NER die Lebensbedingungen von Kindern und deren Familien in hochverdichteten Stadträumen wirksam verbessern kann. Als wichtiger Bestandteil des städtischen Grünflächensystems leisten Naturerfahrungsräume zudem einen wichtigen Beitrag für das Mikroklima und die Biotop- und Artenvielfalt in den Städten. Insofern ist zu hoffen, dass das Konzept der NER eine rasche Verbreitung in den Städten und Kommunen finden wird. Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-5073 SN - 978-3-89624-298-3 ER - TY - GEN A1 - Göttert, Thomas A1 - Hobelsberger, Christine A1 - König, Bettina A1 - Nölting, Benjamin A1 - Roose, Ilka A1 - Barth, Matthias T1 - Nachhaltigkeitstransfer: Austausch zwischen Wissenschaft und Praxis zum Wohl der Gesellschaft: Hochschule Eberswalde tritt NaWis-Runde bei T2 - GAIA - Ecological Perspectives for Science and Society N2 - Der 2011 gegründete Verbund für Nachhaltige Wissenschaft (NaWis) strebt die Stärkung transdisziplinärer Nachhaltigkeitswissenschaften an Hochschulen und Forschungsinstituten an. Mit der Hochschule für nachhaltige Entwicklung Eberswalde wird die NaWis-Runde seit September 2021 durch eine Institution gestärkt, der wie kaum einer anderen deutschen Hochschule der Nachhaltigkeitsgedanke ins Stammbuch geschrieben steht. KW - human requirements vs. natural resources; interdisciplinarity; sustainability sciences; transdisciplinarity; transformation; universities Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4077 SN - 2625-5413 IS - 31/1 (2022) SP - 62 EP - 64 PB - oekom verlag ER - TY - JOUR A1 - Vogel, Sebastian A1 - Bönecke, Eric A1 - Kling, Charlotte A1 - Kramer, Eckart A1 - Lück, Katrin A1 - Philipp, Golo A1 - Rühlmann, Jörg A1 - Schröter, Ingmar A1 - Gebbers, Robin T1 - Direct prediction of site-specific lime requirement of arable fields using the base neutralizing capacity and a multi-sensor platform for on-the-go soil mapping JF - Precision Agriculture N2 - Liming agricultural fields is necessary for counteracting soil acidity and is one of the oldest operations in soil fertility management. However, the best management practice for liming in Germany only insufficiently considers within-field soil variability. Thus, a site-specific variable rate liming strategy was developed and tested on nine agricultural fields in a quaternary landscape of north-east Germany. It is based on the use of a proximal soil sensing module using potentiometric, geoelectric and optical sensors that have been found to be proxies for soil pH, texture and soil organic matter (SOM), which are the most relevant lime requirement (LR) affecting soil parameters. These were compared to laboratory LR analysis of reference soil samples using the soil’s base neutralizing capacity (BNC). Sensor data fusion utilizing stepwise multi-variate linear regression (MLR) analysis was used to predict BNC-based LR (LRBNC) for each field. The MLR models achieved high adjusted R2 values between 0.70 and 0.91 and low RMSE values from 65 to 204 kg CaCO3 ha−1. In comparison to univariate modeling, MLR models improved prediction by 3 to 27% with 9% improvement on average. The relative importance of covariates in the field-specific prediction models were quantified by computing standardized regression coefficients (SRC). The importance of covariates varied between fields, which emphasizes the necessity of a field-specific calibration of proximal sensor data. However, soil pH was the most important parameter for LR determination of the soils studied. Geostatistical semivariance analysis revealed differences between fields in the spatial variability of LRBNC. The sill-to-range ratio (SRR) was used to quantify and compare spatial LRBNC variability of the nine test fields. Finally, high resolution LR maps were generated. The BNC-based LR method also produces negative LR values for soil samples with pH values above which lime is required. Hence, the LR maps additionally provide an estimate on the quantity of chemically acidifying fertilizers that can be applied to obtain an optimal soil pH value. KW - Proximal soil sensing KW - Lime requirement KW - Precision farming KW - Sensor data fusion KW - Spatial variability KW - Sensitivity analysis Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4140 SN - 1385-2256 SN - 1573-1618 VL - 23 IS - 1 SP - 127 EP - 149 PB - Springer US ER - TY - JOUR A1 - Sabatini, Francesco Maria A1 - Bluhm, Hendrik A1 - Kun, Zoltan A1 - Aksenov, Dmitry A1 - Atauri, José A. A1 - Buchwald, Erik A1 - Burrascano, Sabina A1 - Cateau, Eugénie A1 - Diku, Abdulla A1 - Duarte, Inês Marques A1 - Fernández López, Ángel B. A1 - Garbarino, Matteo A1 - Grigoriadis, Nikolaos A1 - Horváth, Ferenc A1 - Keren, Srđan A1 - Kitenberga, Mara A1 - Kiš, Alen A1 - Kraut, Ann A1 - Ibisch, Pierre L. A1 - Larrieu, Laurent A1 - Lombardi, Fabio A1 - Matovic, Bratislav A1 - Melu, Radu Nicolae A1 - Meyer, Peter A1 - Midteng, Rein A1 - Mikac, Stjepan A1 - Mikoláš, Martin A1 - Mozgeris, Gintautas A1 - Panayotov, Momchil A1 - Pisek, Rok A1 - Nunes, Leónia A1 - Ruete, Alejandro A1 - Schickhofer, Matthias A1 - Simovski, Bojan A1 - Stillhard, Jonas A1 - Stojanovic, Dejan A1 - Szwagrzyk, Jerzy A1 - Tikkanen, Olli-Pekka A1 - Toromani, Elvin A1 - Volosyanchuk, Roman A1 - Vrška, Tomáš A1 - Waldherr, Marcus A1 - Yermokhin, Maxim A1 - Zlatanov, Tzvetan A1 - Zagidullina, Asiya A1 - Kuemmerle, Tobias T1 - European primary forest database v2.0 JF - Scientific Data N2 - Primary forests, defined here as forests where the signs of human impacts, if any, are strongly blurred due to decades without forest management, are scarce in Europe and continue to disappear. Despite these losses, we know little about where these forests occur. Here, we present a comprehensive geodatabase and map of Europe’s known primary forests. Our geodatabase harmonizes 48 different, mostly field-based datasets of primary forests, and contains 18,411 individual patches (41.1 Mha) spread across 33 countries. When available, we provide information on each patch (name, location, naturalness, extent and dominant tree species) and the surrounding landscape (biogeographical regions, protection status, potential natural vegetation, current forest extent). Using Landsat satellite-image time series (1985–2018) we checked each patch for possible disturbance events since primary forests were identified, resulting in 94% of patches free of significant disturbances in the last 30 years. Although knowledge gaps remain, ours is the most comprehensive dataset on primary forests in Europe, and will be useful for ecological studies, and conservation planning to safeguard these unique forests. KW - Biodiversity KW - Conservation biology KW - Forest ecology Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4173 SN - 2052-4463 VL - 8 PB - Nature Publishing Group UK ER - TY - JOUR A1 - Spies, Michael A1 - Zuberi, Mehwish A1 - Mählis, Madlen A1 - Zakirova, Aksana A1 - Alff, Henryk A1 - Raab, Christoph T1 - Towards a participatory systems approach to managing complex bioeconomy interventions in the agrarian sector JF - Sustainable Production and Consumption N2 - Calls for a “sustainable bioeconomy” have recently begun to proliferate in academic and political circles as an answer to global challenges such as the rapidly increasing world population and changing environmental conditions due to climate change. To build economies that rely on various sources of biomass rather than on fossil-based resources, bioeconomy policies highlight a need to explore ways in which productivity in agriculture can be increased. While the focus on productivity growth has largely been inspired by technology optimism and modernisation thinking, the local knowledge of farmers and other rural stakeholders – as a means of contributing to socially and ecologically more sustainable bioeconomy pathways – has frequently been sidelined. This perspective article proposes and discusses a participatory approach to strategy formulation and evaluation in agricultural transformation and bioeconomy development that is based on the methodological toolbox MARISCO (Adaptive MAnagement of vulnerability and RISk at COnservation sites). By offering a means of developing a comprehensive knowledge map, bringing together both insights and perspectives from diverse local stakeholders, this approach enables a systemic evaluation of the social and ecological effects of intervention strategies on the ground. The article outlines the benefits – and challenges – of such a systemic and participatory approach and briefly sketches how the results can be utilised in more sustainable governance processes in the development of bioeconomy strategies. We conclude that our adapted MARISCO methodology offers a viable tool to make more visible the perspectives and knowledge of biomass producers for policymakers and to contribute to a much-needed discursive shift in bioeconomy debates towards more holistic and inclusive perspectives. KW - Bio-based economy; Participatory methods; Social-ecological systems; Intensification; Agriculture Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4205 SN - 2352-5509 IS - 31 SP - 557 EP - 568 PB - Elsevier ER - TY - CHAP A1 - von Münchhausen, Susanne A1 - Markow, Jekaterina A1 - Häring, Anna Maria A1 - Cronien, Evelien A1 - Fieldsend, Andrew T1 - Are Advisors the Primary Providers of Innovation Support Services in Forestry and Agriculture? Preliminary Findings from the Project LIAISON T2 - 14th European Farming Systems Conference – Farming systems facing climate change and resources challenges (IFSA22), Évora, Portugal, 10-14 April 2022 (Session Session 1.6 - Institutions and organisations in interactive innovation, Part Theme 1 - Innovation Support Services) N2 - A large variety of organisations provides support for cooperative approaches in the field of research and innovation in agriculture, forestry and rural development, and acts as Innovation Support Services (ISS). The findings from ProAkis (2015) show that different types of organisations such as administrative offices, public or semi-public advisory services, rural academies/universities, producer organisations, other NGOs or private consultants engaged in the Agricultural Knowledge and Innovation System (AKIS) can act as ISS. The funding of ISS can be public, private or a mix of both. A literature review indicates that studies often focus on the larger “enabling environment” and the structure of the Agricultural Knowledge and Innovation Systems (AKIS). Moreover, many authors pay particular attention to the role of public or semi-public farm advisory organisations (Knierim et al., 2015; Sulaiman 2015). The paper is based on the analysis of more than 200 case studies of publically or privately funded interactive innovation projects within the EU and beyond. The selection of cases took place under the framework of the Horizon2020-funded European research and innovation project LIAISON. European and national databases contain several thousands of projects in agriculture, forestry and rural development. We selected projects applying the interactive innovation approach from a) EU programmes (EIP-Agri, Horizon2020, Interreg, and LIFE+); b) nationally/regionally or privately funded projects; and c) informal initiatives or networks in the agri-food, forestry, bioeconomy or nature conservation area. The results indicate that publically funded IIS play a core role for legal/administrative compliance of projects. Semi-public advisory services take up this role as well, and they are strong in linking farmers with scientists, technicians, entrepreneurs etc. However, they often exist and offer efficient ISS only for those industries that have a long tradition for a sector or area (e.g. dairy, pork, poultry or club fruit). This paper shows that different types of organisations (research institutes, farmers or producer organisations, NGOs, processing or marketing SMEs, or public bodies) provide various forms of support for the studied interactive innovation groups. No particular type of organisation such as the farm advisory services are more suitable than the other organisations for the delivery of ISS. Instead, it depends on former collaboration, the particular topic, objective or capacities available as well as the cultural/political context who engages in interactive innovation and provides innovation support. KW - Farm advisory service; Innovation; Agriculture; Coinnovation; AKIS; Innovation support service; EIP-AGRI Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4698 ER - TY - JOUR A1 - Braun, Charis Linda A1 - Bitsch, Vera A1 - Häring, Anna Maria T1 - Developing agri-food value chains: learning networks between exploration and exploitation JF - The Journal of Agricultural Education and Extension N2 - Purpose The present study explores the development of agri-food value chains from an organizational learning perspective, using the German organic food sector as an example. We illustrate how the development of local value chains unfolds over time and outline how facilitation can support this process. Design/methodology/approach The study used an action research design to facilitate change in practice and to create new knowledge. Data were collected through qualitative interviews, participant observation, and documentation of workshops and other learning activities. Data analysis and conceptualization followed a grounded theory approach. Findings The development process of value chains occurs in three phases, from joint exploration of the problem, through a phase of experimentation and implementation, to further cultivation of established collaborations among value chain actors. The development process oscillates between intra- and inter-organizational learning as well as explorative and exploitative activities. Practical implications The results of this study can help to understand and to further professionalize the practice of value chain development and provide guidance for facilitators and other stakeholder working in this field. Theoretical implications By drawing on the theory of exploration and exploitation, the study enhances the understanding of value chains collaboration in an inter-organizational setting. The study conceptualizes the development of agri-food value chains and the role of facilitators in the process. Originality/value There is little research to date that considers the development of value chains as a collaborative learning process. The presented grounded theory of local value chain development may inform further research on the transition towards a more sustainable agri-food system. KW - Action research; grounded theory; organizational learning; process facilitation; value chain development; local and organic food Y1 - 2022 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4700 SN - 1389-224X PB - Taylor & Francis ER -