<?xml version="1.0" encoding="utf-8"?>
<export-example>
  <doc>
    <id>204</id>
    <completedYear>2020</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>1</pageNumber>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>MDPI</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>2021-09-14</completedDate>
    <publishedDate>2020-11-12</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Bark Characteristics of Scots Pine Logs</title>
    <abstract language="eng">The wood of Scots pine (Pinus sylvestris L.) shows...</abstract>
    <parentTitle language="eng">Environmental Sciences Proceedings</parentTitle>
    <identifier type="doi">10.3390/IECF2020-08020</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-2040</identifier>
    <identifier type="issn">2673-4931</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Ferréol Berendt</author>
    <author>Erik Pegel</author>
    <author>Lubomir Blasko</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>bark thickness</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>bark volume</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>bark damage</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>industrial wood</value>
    </subject>
    <collection role="ddc" number="634">Obstanlagen, Früchte, Forstwirtschaft</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/204/environsciproc-03-00066-v3.pdf</file>
    <file>https://opus4.kobv.de/opus4-hnee/files/204/environsciproc-03-00066-s001.zip</file>
  </doc>
  <doc>
    <id>252</id>
    <completedYear>2021</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>10</pageNumber>
    <edition/>
    <issue>2</issue>
    <volume>12</volume>
    <type>article</type>
    <publisherName>MDPI</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2021-02-20</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Analysis of the Influence That Parameters Crookedness and Taper Have on Stack Volume by Using a 3D-Simulation Model of Wood Stacks</title>
    <abstract language="eng">The influence that parameters crookedness and taper have on the stack volume was analyzed by using a 3D-simulation model in this study. To do so, log length, diameters at the midpoint and both ends, crookedness, bark thickness, taper and ovality were measured in 1000 logs of Scots pine. From this database, several data sets with different proportions of crooked and tapered logs in stack as well as with different degrees of taper and crookedness were created and taken as basis to simulate the stacks and carry out the analysis. The results show how the variation of these parameters influences the stack volume and provide their volume variation grades. These rates of variation were compared with measurement guidelines of some countries and previous research works. In conclusion, the parameters crookedness and taper influence the stack volume to a considerable extent. Specifically, the stack volume is increased as the crookedness degree or the proportion of crooked logs increases. In contrast, the stack volume is reduced as the taper degree or the proportion of tapered logs increases. Furthermore, the results demonstrate the capability of this simulation model to provide accurate results which can serve as a basis for future studies.</abstract>
    <parentTitle language="eng">Forests</parentTitle>
    <identifier type="doi">10.3390/f12020238</identifier>
    <identifier type="issn">1999-4907</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-2527</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Felipe de Miguel-Díez</author>
    <author>Eduardo Tolosana Esteban</author>
    <author>Thomas Purfürst</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Log properties</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Stack volume</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Solid wood content</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Roundwood measurement</value>
    </subject>
    <collection role="ddc" number="674">Holzverarbeitung, Holzprodukte, Kork</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/252/forests-12-00238-v2.pdf</file>
  </doc>
  <doc>
    <id>197</id>
    <completedYear>2021</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>749</pageFirst>
    <pageLast>752</pageLast>
    <pageNumber>4</pageNumber>
    <edition/>
    <issue>3</issue>
    <volume>79</volume>
    <type>article</type>
    <publisherName>Springer Nature</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>2021-09-10</completedDate>
    <publishedDate>2021-02-09</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Bark proportion of Scots pine industrial wood</title>
    <abstract language="eng">Bark characteristics are not only used in the forest-wood supply chain, for example to calculate standing volumes, but also to transform wood volumes and masses. In this study, bark thickness, bark volume and bark mass were analyzed on the basis of 150 Scots pine discs, with a mean diameter of 13 cm. The mean double bark thickness was 3.02 mm, the mean bark volume proportion was 5.6% and mean bark mass proportion was 3.3%. Bark proportions were significantly affected by the log-specific variables ‘diameter over bark’, ‘proportion of bark damage’ and ‘double bark thickness’.</abstract>
    <parentTitle language="eng">European Journal of Wood and Wood Products</parentTitle>
    <identifier type="doi">10.1007/s00107-021-01657-7</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-1975</identifier>
    <identifier type="issn">0018-3768</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Ferréol Berendt</author>
    <author>Erik Pegel</author>
    <author>Lubomir Blasko</author>
    <author>Tobias Cremer</author>
    <collection role="ddc" number="634">Obstanlagen, Früchte, Forstwirtschaft</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Finanzierung" number="">Projekt DEAL</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/197/Berendt_2021_BarkProportionOfScotsPine.pdf</file>
  </doc>
  <doc>
    <id>198</id>
    <completedYear>2021</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>8</pageNumber>
    <edition/>
    <issue/>
    <volume>11</volume>
    <type>article</type>
    <publisherName>Springer Nature</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>2021-09-10</completedDate>
    <publishedDate>2021-08-02</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Comparison of different approaches to estimate bark volume of industrial wood at disc and log scale</title>
    <abstract language="eng">Within the wood supply chain, the measurement of roundwood plays a key role due to its high economic impact. While wood industry mainly processes the solid wood, the bark mostly remains as an industrial by-product. In Central Europe, it is common that the wood is sold over bark but that the price is calculated on a timber volume under bark. However, logs are often measured as stacks and, thus, the volume includes not only the solid wood content but also the bark portion. Mostly, the deduction factors used to estimate the solid wood content are based on bark thickness. The aim of this study was to compare the estimation of bark volume from scaling formulae with the real bark volume, obtained by xylometric technique. Moreover, the measurements were performed using logs under practice conditions and using discs under laboratory conditions. The mean bark volume was 6.9 dm3 and 26.4 cm3 for the Norway spruce logs and the Scots pine discs respectively. Whereas the results showed good performances regarding the root mean square error, the coefficient of determination (R2) and the mean absolute error for the volume estimation of the total volume of discs and logs (over bark), the performances were much lower for the bark volume estimations only.</abstract>
    <parentTitle language="eng">Scientific Reports</parentTitle>
    <identifier type="doi">10.1038/s41598-021-95188-z</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-1987</identifier>
    <identifier type="issn">2045-2322</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Ferréol Berendt</author>
    <author>Felipe de Miguel-Diez</author>
    <author>Evelyn Wallor</author>
    <author>Lubomir Blasko</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Environmental sciences; Physics</value>
    </subject>
    <collection role="ddc" number="634">Obstanlagen, Früchte, Forstwirtschaft</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Finanzierung" number="">Projekt DEAL</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/198/s41598-021-95188-z.pdf</file>
  </doc>
  <doc>
    <id>200</id>
    <completedYear>2021</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>13</pageLast>
    <pageNumber>13</pageNumber>
    <edition/>
    <issue>3</issue>
    <volume>55</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>2021-09-13</completedDate>
    <publishedDate>2021-06-10</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Reliability of photo-optical measurements of log stack gross volume</title>
    <abstract language="eng">In terms of assessing economic impact, one of the most important elements in the wood supply chain is the measurement of round wood. Besides the one-by-one measurement of logs, logs are often measured when stacked at the forest road. The gross stacked volume includes the volume of the wood, bark and airspace and is widely used for industrial wood assortments. The increasing international attention given to photo-optical measurement systems for portable devices is due to &#13;
their simplicity of use and efficiency. The aim of this study was to compare the gross volumes of &#13;
hardwood log stacks measured using one widespread photo-optical app with two manual section-wise  volume  estimations  of  log  stacks  based  on  the  German  framework  agreement  for  timber  trade (RVR). The manual volume estimations were done starting from the left (RVRleft) and right (RVRright) sides of the log stacks. The results showed an average deviation of the photo-optical gross volume estimation in comparison to the manual estimation of –2.09% (RVRleft) and –3.66% (RVRright) while the deviation between RVRleft and RVRright was +2.54%. However, the log stack &#13;
gross volume had a highly significant effect on the deviation and better accuracy with smaller &#13;
deviation were reached for larger log stacks. Moreover, results indicated that the gross volume estimations of higher quality log stacks were closer for the three analyzed methods compared to estimations of poor-quality log stacks.</abstract>
    <parentTitle language="eng">Silva Fennica</parentTitle>
    <identifier type="doi">10.14214/sf.10555</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-2003</identifier>
    <identifier type="issn">2242-4075</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <licence>Creative Commons - CC BY-SA - Namensnennung - Weitergabe unter gleichen Bedingungen 4.0 International</licence>
    <author>Ferréol Berendt</author>
    <author>Felix Wolfgramm</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>logistic</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>photogrammetry</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>timber trade</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>volume estimation</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>wood pile</value>
    </subject>
    <collection role="ddc" number="634">Obstanlagen, Früchte, Forstwirtschaft</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/200/article10555.pdf</file>
  </doc>
  <doc>
    <id>201</id>
    <completedYear>2020</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>4</pageNumber>
    <edition/>
    <issue>3(1)</issue>
    <volume/>
    <type>workingpaper</type>
    <publisherName>MDPI</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>2021-09-13</completedDate>
    <publishedDate>2020-11-14</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Accuracy of Photo-Optical Measurement of Wood Piles</title>
    <abstract language="eng">The accurate estimation of timber volume is of the utmost importance. For industrial timber, the volume is often estimated as stacked cubic meters. In addition to manual measurements, volume estimation is possible with photo-optical systems. Over 100 piles of industrial timber of broadleaved tree species were analyzed. In the study, a standard manual measurement method for the estimation of wood pile volumes was compared with a smartphone based photo-optical application for the determination of woodpile volume. Mean gross volume of the piles was approximately 56 m3 and mean width of piles was 9.43 m. A strong correlation was found between the manual measurements and the photo-optical measurement. However, volume estimation of large volume piles seems to perform better in comparison to piles with small volumes. Further research is needed to determine the effects of variables such as log quality or quality of pile on volume estimation accuracy.</abstract>
    <parentTitle language="eng">Environmental Sciences Proceedings</parentTitle>
    <identifier type="doi">10.3390/IECF2020-08192</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-2012</identifier>
    <identifier type="issn">2673-4931</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Tobias Cremer</author>
    <author>Ferréol Berendt</author>
    <author>Felipe de Miguel Diez</author>
    <author>Felix Wolfgramm</author>
    <author>Lubomir Blasko</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>timber stack</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>volume estimation</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>logistic</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>timber trade</value>
    </subject>
    <collection role="ddc" number="634">Obstanlagen, Früchte, Forstwirtschaft</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/201/environsciproc-03-00090-v2.pdf</file>
  </doc>
  <doc>
    <id>309</id>
    <completedYear>2022</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>14</pageNumber>
    <edition/>
    <issue>7</issue>
    <volume>13</volume>
    <type>article</type>
    <publisherName>MDPI</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2022-07-06</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Innovative Teaching and Learning Formats for the Implementation of Agroforestry Systems—An Impact Analysis after Five Years of Experience with the Real-World Laboratory “Ackerbaum”</title>
    <abstract language="eng">Since 2017, the Eberswalde University for Sustainable Development (HNEE) offers transformative learning modules in their curricula, which are called ITL—Innovative Teaching and Learning formats. Student tutors change into the role of teachers and organize lectures, excursions, and assignments at the Real-World Laboratory “Ackerbaum”—an agroforestry system in the federal state of Brandenburg, Germany. Students can learn about agroforestry systems, participate in research, and take practical action. The examination of the module is a scientific report linked to the experimental area. In this study, an attempt was made to verify the quality and impact of teaching formats in the ITL via the analysis of 53 reports created by 170 students as well as surveys among participants. For this purpose, indicators were formulated that capture the quality of scientific methods and the contribution to higher education for sustainable development. Students and tutors appreciate the open working atmosphere and the possibility to actively participate in the course; many leave the module motivated. Some even move toward transformation in agriculture professionally as, e.g., consultants in the field of agroforestry. As a transformative institution, HNEE offers with ITL a rare opportunity for practical application, scientific methods, and transdisciplinary collaboration with different stakeholders to work on future models to change today’s agriculture.</abstract>
    <parentTitle language="eng">Forests</parentTitle>
    <identifier type="issn">1999-4907</identifier>
    <identifier type="doi">10.3390/f13071064</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-3092</identifier>
    <enrichment key="opus.import.date">2022-08-03T11:12:52+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">deep</enrichment>
    <enrichment key="opus.import.file">attachment; filename=deposit.zip</enrichment>
    <enrichment key="opus.import.checksum">775d7f2f07224f0cdd8da2b3088832a1</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Tommy Lorenz</author>
    <author>Lea Gerster</author>
    <author>Dustin Elias Wodzinowski</author>
    <author>Ariani Wartenberg</author>
    <author>Lea Martetschläger</author>
    <author>Heike Molitor</author>
    <author>Tobias Cremer</author>
    <author>Ralf Bloch</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>agroecology</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>education for sustainable development</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>interdisciplinarity</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>transdisciplinarity</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>transformative science</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>forestry</value>
    </subject>
    <collection role="open_access" number="">open_access</collection>
    <collection role="Import" number="import">Import</collection>
    <collection role="institutes" number="">Fachbereich Landschaftsnutzung und Naturschutz</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/309/forests-13-01064.pdf</file>
  </doc>
  <doc>
    <id>400</id>
    <completedYear>2023</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>19</pageLast>
    <pageNumber/>
    <edition/>
    <issue>2</issue>
    <volume>12</volume>
    <type>article</type>
    <publisherName>MDPI</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2023-02-11</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Key Actors’ Perspectives on Agroforestry’s Potential in North Eastern Germany</title>
    <abstract language="eng">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.</abstract>
    <parentTitle language="eng">Land</parentTitle>
    <identifier type="issn">2073-445X</identifier>
    <identifier type="doi">10.3390/land12020458</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4003</identifier>
    <enrichment key="opus.import.date">2023-03-08T02:16:16+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">deep</enrichment>
    <enrichment key="opus.import.file">attachment; filename=deposit.zip</enrichment>
    <enrichment key="opus.import.checksum">d6aa974f63eef1b1c8171716f4071682</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Johannes Litschel</author>
    <author>Ferréol Berendt</author>
    <author>Hanna Wagner</author>
    <author>Simon Heidenreich</author>
    <author>David Bauer</author>
    <author>Martin Welp</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>agroforestry</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>timber products</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>semi-structured interviews</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>barrier</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>opportunity</value>
    </subject>
    <collection role="open_access" number="">open_access</collection>
    <collection role="Import" number="import">Import</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/400/land-12-00458.pdf</file>
  </doc>
  <doc>
    <id>444</id>
    <completedYear>2020</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>slk</language>
    <pageFirst>18</pageFirst>
    <pageLast>28</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="slk">Fotooptické merania objemu dreva na zvyšovanie efektívnosti logistického reťazca na Štátnej lesnej správe Chorin (NSR)</title>
    <additionalTitle language="eng">Photo-optical measurements of wood volume to increase in efficiency of the logistics chain at the State Forest Administration of Chorin (Germany)</additionalTitle>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4441</identifier>
    <licence>Urheberrechtsschutz</licence>
    <author>Luboš Blaško</author>
    <author>Zuzana Vyhnáliková</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>slk</language>
      <type>uncontrolled</type>
      <value>logistické reťazce; logistika; lesná správa; meranie objemu guľatiny; fotooptické metódy</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>logistic chains; logistics; forest district; log volume measuring; fotooptical methods</value>
    </subject>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Nicht ermittelbar</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
  </doc>
  <doc>
    <id>445</id>
    <completedYear>2021</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>6</pageNumber>
    <edition/>
    <issue>3(1)</issue>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>MDPI</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2020-11-13</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">3D-Simulation of Wood Stacks to Analyze the Influence of Log Properties on Stack Volume</title>
    <abstract language="eng">The quantification of the solid wood content in a wood stack has been an object of investigation since the 18th century. Particularly, the log parameters exert a considerable influence on the volume of the stack, such as (1) the log midpoint diameter, (2) average bark thickness, (3) crookedness, and (4) log taper. Although many of these parameters have already been studied and some are already considered in many countries when measuring wood stacks, their influence has not been analyzed individually so far since a broad statistical database is needed and the data collection is very costly. Consequently, a 3D-simulation model was developed based on a cross-platform game engine. This model generates virtual wood stacks based on a data set of logs which are defined by the user. The simulation of a stack can be done in a few seconds only and each stack generated can be visualized once all iterations are done. The simulation results are the stacked cubic volume, solid wood cubic volume, and the respective conversion factors. The model, fed with both real data and user-defined data, allows for a detailed analysis of the effect of each parameter on the results, as the user can vary their values discretionary. To obtain the first results from real data, 1000 logs of Scots pine (Pinus sylvestris L.) were measured. The first simulations based on these data show reliable results and it is possible to quantify the influence of the proportion of crooked wood in a pile on the stack volume and the conversion factor. In addition, the results are highly in line with the real trials that have already been performed in parallel. A further scientific evaluation and statistical analysis will be done in a second study phase. However, the model already provides a reasonable tool that is easy to apply for the forest and wood industry in order to make the most accurate estimate possible of the solid wood content in a wood pile.</abstract>
    <parentTitle language="deu">Environmental Sciences Proceeding</parentTitle>
    <identifier type="doi">10.3390/IECF2020-08063</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4452</identifier>
    <identifier type="issn">2673-4931</identifier>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Felipe de Miguel-Díez</author>
    <author>Eduardo Tolosana-Esteban</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>conversion factors; log properties; stack volume; solid wood content; roundwood measurement</value>
    </subject>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/445/environsciproc-03-00076-v2.pdf</file>
  </doc>
  <doc>
    <id>446</id>
    <completedYear>2021</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>3</pageNumber>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2021-12-01</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Long Range and High-Speed Personal Laser Scanning (PLS) and Simultaneous Localization and Mapping (SLAM) Technology in Roundwood Measurement</title>
    <parentTitle language="eng">Proceedings of the SilviLaser Conference 2021</parentTitle>
    <identifier type="doi">10.34726/wim.1929</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4462</identifier>
    <note>Proceedings of the SilviLaser Conference 2021, Vienna, Austria, 28–30 September 2021.&#13;
Technische Universität Wien, 2021. DOI: 10.34726/wim.1861</note>
    <licence>Urheberrechtsschutz</licence>
    <author>Felipe de Miguel-Díez</author>
    <author>Stefan Reder</author>
    <author>Evelyn Wallor</author>
    <author>Henrik Bahr</author>
    <author>Jan-Peter Mund</author>
    <author>Tobias Cremer</author>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/446/Diez-2021-Long-Range-and-High-Speed_PLS.pdf</file>
  </doc>
  <doc>
    <id>447</id>
    <completedYear>2022</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>17</pageNumber>
    <edition/>
    <issue>17(3)</issue>
    <volume/>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2022-03-16</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Development and evaluation of a novel 3D simulation software for modelling wood stacks</title>
    <abstract language="eng">Assessing the solid wood content is crucial when acquiring stacked roundwood. A frequently used method for this is to multiply determined conversion factors by the measured gross volume. However, the conversion factors are influenced by several log and stack parameters. Although these parameters have been identified and studied, their individual influence has not yet been analyzed using a broad statistical basis. This is due to the considerable financial resources that the data collection entails. To overcome this shortcoming, a 3D-simulation model was developed. It generates virtual wood stacks of randomized composition based on one individual data set of logs, which may be real or defined by the user. In this study, the development and evaluation of the simulation model are presented. The model was evaluated by conducting a sensitivity and a quantitative analysis of the simulation outcomes based on real measurements of 405 logs of Norway spruce and 20 stacks constituted with these. The results of the simulation outcomes revealed a small overestimation of the net volume of real stacks: by 1.2% for net volume over bark and by 3.2% for net volume under bark. Furthermore, according to the calculated mean bias error (MBE), the model underestimates the gross volume by 0.02%. In addition, the results of the sensitivity analysis confirmed the capability of the model to adequately consider variations in the input parameters and to provide reliable outcomes.</abstract>
    <parentTitle language="eng">PLoS ONE</parentTitle>
    <identifier type="doi">10.1371/journal.pone.0264414</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4472</identifier>
    <identifier type="issn">1932-6203</identifier>
    <note>The software as well as the database used for the evaluation can be downloaded both at https://www.ag-rohholz.de/themen/projekt-hobeopt and at https://hnee.de/hobeopt. The source code can be accessed at: https://github.com/timpettenkofer/hoposim.</note>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Felipe de Miguel-Díez</author>
    <author>Phillippe Guigue</author>
    <author>Tim Pettenkofer</author>
    <author>Eduardo Tolosana-Esteban</author>
    <author>Thomas Purfürst</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Bark; Simulation and modeling; Wood; Computer software; Computerized simulations; Trees; Measurement; Friction</value>
    </subject>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/447/journal.pone.0264414.pdf</file>
  </doc>
  <doc>
    <id>448</id>
    <completedYear>2022</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>119</pageFirst>
    <pageLast>128</pageLast>
    <pageNumber>10</pageNumber>
    <edition/>
    <issue>2</issue>
    <volume>33</volume>
    <type>article</type>
    <publisherName>Taylor &amp; Francis</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2022-02-21</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Influence of log and stack parameters on the conversion factors for Norway Spruce wood stacks using a 3D simulation model</title>
    <abstract language="eng">One method for estimating the solid wood content in a stack involves using conversion factors and multiplying these by the measured gross volume. The conversion factors can vary depending on several log and stack parameters. The aim of this study was to analyze eleven parameters using a 3D simulation model based on 541 measured logs of Norway spruce. To this end, 50 data sets were created from measured logs, where the parameters of interest in this study (e.g., length, crookedness, taper …) were classified according to different ranges. After that, 64 runs of simulations were carried out. In each simulation run, 150 stacks were modeled. The simulation results were compared with previous studies and with the measurement guidelines of several countries. This analysis revealed that the parameters midpoint diameter, length, crookedness, delimbing quality and the proportion of moderately and highly crooked logs in a stack have a considerable influence on the conversion factors. Taper, proportion of butt logs in a stack and stack height have a modest effect as do the proportion of tapered and crooked logs for low and high taper and low crookedness. In contrast, ovality and the proportion of logs stacked in opposite directions have a marginal influence on the conversion factors. Based on findings from these analyses, the current measurement guidelines of different countries can now be adapted to achieve a higher degree of accuracy.</abstract>
    <parentTitle language="eng">International Journal of Forest Engineering</parentTitle>
    <identifier type="doi">10.1080/14942119.2022.2038023</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4482</identifier>
    <identifier type="issn">1494-2119</identifier>
    <licence>Creative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International</licence>
    <author>Felipe de Miguel-Díez</author>
    <author>Tim Pettenkofer</author>
    <author>Evelyn Wallor</author>
    <author>Eduardo Tolosana-Esteban</author>
    <author>Thomas Purfürst</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Roundwood measurement; conversion factors; solid wood content; software development</value>
    </subject>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/448/de_Miguel-Diez_Influence_of_log.pdf</file>
  </doc>
  <doc>
    <id>449</id>
    <completedYear>2022</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>7</pageNumber>
    <edition/>
    <issue>109</issue>
    <volume/>
    <type>article</type>
    <publisherName>Elsevier</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2022-04-27</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Further application of using a personal laser scanner and simultaneous localization and mapping technology to estimate the log’s volume and its comparison with traditional methods</title>
    <abstract language="eng">The aim of this study was the development of a methodical processing line for estimating the log’s volume from scanning logs using a long-range high-speed personal laser scanner (PLS) GeoSLAM ZEB HORIZON and simultaneous localization and mapping (SLAM) technology in an open-source software framework of Cloud Compare. Additionally, the accuracy and precision of using PLS and the suggested method when measuring roundwood volume was examined compared to measurements made using a xylometer and estimations obtained from applying the formulae of Huber, Smalian and Newton. For this purpose, several parameters were measured in 50 logs of Norway spruce with an average length of 2.53 m and a mean diameter of 19.97 cm. Afterwards, the volume of these 50 logs was measured with a xylometer. The results of these measurements served as reference values. The same 50 logs were subsequently scanned with the PLS. The scans were converted into point clouds and were analyzed in Cloud Compare to estimate the volume of the scanned logs. Next, the root mean square error (RMSE) and the mean bias error (MBE) as well as their relative values were calculated for the volumes determined in Cloud Compare and estimated with the above mentioned formulae. The calculated RMSE (and relative RMSE) determined a deviation of the logs' volumes estimated in Cloud Compare from the xylometric volumes of 2.88 dm3 (3.54%) whereas the deviations of the log’s volumes calculated applying the formulae of Huber, Smalian and Newton from the xylometric volumes were respectively 9.63 dm3 (11.83%), 10.33 dm3 (12.69%) and 4.69 dm3 (5.76%). The calculated MBE (and relative MBE) showed that the estimated volumes in Cloud Compare and those using the formulae were overestimated, with the lowest overestimation of 0.10 dm3 (0.12%) in Cloud Compare and the highest, 5.50 dm3 (6.75%), using the Smalian formula. Therefore, it can be stated that results of suggested methodical processing line came closest to the logs' volumes obtained with the xylometer, i.e., they were more accurate and precise compared to the conventionally formulae for log’s volume estimation. The implementation of this method has the potential filling a gap towards a wall-to-wall complete digitization of the roundwood commercialization and ensure transparency and acceptance between the stakeholders involved in the wood supply chain.</abstract>
    <parentTitle language="eng">International Journal of Applied Earth Observation and Geoinformation</parentTitle>
    <identifier type="doi">10.1016/j.jag.2022.102779</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4496</identifier>
    <identifier type="issn">1872-826X</identifier>
    <licence>Creative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International</licence>
    <author>Felipe de Miguel-Díez</author>
    <author>Stefan Reder</author>
    <author>Evelyn Wallor</author>
    <author>Henrik Bahr</author>
    <author>Lubomir Blasko</author>
    <author>Jan-Peter Mund</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>SLAM; Point cloud; Roundwood measurement; Wood supply chain</value>
    </subject>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/449/1-s2.0-S0303243422001052-main.pdf</file>
  </doc>
  <doc>
    <id>455</id>
    <completedYear>2017</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>127</pageFirst>
    <pageLast>139</pageLast>
    <pageNumber/>
    <edition/>
    <issue>7/8</issue>
    <volume>188</volume>
    <type>article</type>
    <publisherName>J. D. Sauerländer</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Analyse der fotooptischen Vermessung von Kiefernstamm- und -industrieholz im Vergleich zum Sektionsraumaß</title>
    <parentTitle language="deu">Allgemeine Forst- und Jagdzeitung</parentTitle>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4551</identifier>
    <identifier type="doi">10.23765/afjz0002008</identifier>
    <identifier type="issn">0002-5852</identifier>
    <licence>Keine Nutzungslizenz vergeben - es gilt das deutsche Urheberrecht</licence>
    <author>Tobias Cremer</author>
    <author>Lubomir Blasko</author>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Holzlogistik; Holzbereitstellung; Fotooptik; Sektionsraummaß; Holzvermessung; Industrieholz; Stammholz; Kiefer</value>
    </subject>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/455/02_Cremer_6279.pdf</file>
  </doc>
  <doc>
    <id>442</id>
    <completedYear>2020</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>170</issue>
    <volume/>
    <type>article</type>
    <publisherName>Elsevier</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2020-02-04</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Automated operational logging plan considering multi-criteria optimization</title>
    <abstract language="eng">Multiple goals should be considered while planning and executing forest management. This study proposes a new multidimensional framework for a precision forestry approach assisted by airborne laser scanning data (ALS). Therefore, successful management operations become a key element in the process of promoting protection through sustainable development. Thirteen relevant variables were derived from ALS data, such as: canopy height, terrain topography, relative vegetation density, forest gaps, slope restrictions, skidder restrictions, load truck restrictions, topographic wetness, flow accumulation, horizontal distance to drainage, vertical elevation from drainage, stream and headspring restrictions. Four different scenarios for the management plan optimization were studied: shortest distance, forest conservation, soil conservation and all combined. Results showed that the detailed forest information from ALS point clouds is useful to indicate regions not suitable for forest operations. Failure to properly consider the different factors involved may result in inadequate infrastructures, lower operational performance and constant re-planning requirements.</abstract>
    <parentTitle language="eng">Computers and Electronics in Agriculture</parentTitle>
    <identifier type="doi">10.1016/j.compag.2020.105253</identifier>
    <identifier type="issn">0168-1699</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4423</identifier>
    <licence>Urheberrechtsschutz</licence>
    <author>Eric Bastos Görgens</author>
    <author>Jan-Peter Mund</author>
    <author>Tobias Cremer</author>
    <author>Tiago de Conto</author>
    <author>Stuart Krause</author>
    <author>Ruben Valbuena</author>
    <author>Luiz Carlos Estraviz Rodriguez</author>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
  </doc>
  <doc>
    <id>443</id>
    <completedYear>2020</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>ukr</language>
    <pageFirst>51</pageFirst>
    <pageLast>59</pageLast>
    <pageNumber>9</pageNumber>
    <edition/>
    <issue>3</issue>
    <volume>30</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2020-06-04</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="ukr">Екологічне оцінювання деревини робінії звичайної та рекультивованих відвалів шахт як резервної території для її вирощування</title>
    <abstract language="ukr">Раціональне користування природними ресурсами є необхідним для сталого розвитку. Потребою сьогодення є використання екологічної сировини, яка спричиняє мінімальний вплив на довкілля та здоров'я людини під час її виробництва, використання й утилізації. Проаналізовано екологічну цінність деревини робінії звичайної на підставі вивчення її застосування та ринків збуту у Німеччині. Відзначено подібність її деревини за хімічним складом і властивостями із деревиною тропічних видів дерев, а також можливість заготівлі екологічно сприйнятливими способами. Вивчено можливість вирощування цього інтродукованого виду рослин на рекультивованих породних відвалах за умови екологічного моніторингу. Опрацьовано інформацію про насадження робінії звичайної у північно-східній низовині Німеччини. Проаналізовано будову, властивості деревини робінії та її можливе використання. Розглянуто принципи сортування та відповідні критерії якості деревини робінії. Здійснено порівняння ринків робінії у Бранденбурзі (Німеччина) та Угорщині. Запропоновано заходи щодо збільшення використання робінії. Розглянуто порушені землі Малого Полісся, як резервні території отримання екологічної деревини робінії звичайної. Екологічно обґрунтованим є відведення для цього порушених добуванням вугілля територій у сприятливих лісорослинних районах. Фітомеліоративні властивості робінії звичайної роблять її перспективним видом для залісення новоутворених екотопів із широкою екологічною амплітудою в умовах Малого Полісся. Наявність насипних рекультиваційних ґрунтів є необхідною умовою для приживання та рівномірного росту і розвитку робінієвих культур в умовах породних відвалів шахт. Якість та продуктивність робінієвих насаджень залежать від фізико-хімічних властивостей шарів насипних ґрунтів та мікрокліматичних особливостей екотопів відвалів. Це зумовлює відмінності в рості й розвитку робінієвих насаджень, впливає на показники якості деревини робінії і зумовлює шляхи її можливого використання. Меліоративна функція робінієвих насаджень на післягірничих ландшафтах є особливо важливою у час зміни клімату. Продуктивна функція робінієвих насаджень на післягірничих ландшафтах дає підставу розглядати їх як додаткове джерело біологічно стійкої деревини.</abstract>
    <abstract language="eng">The rational use of natural resources is essential for sustainable development. The use of environmentally friendly raw materials, which has minimal environmental impact in its processing, is necessity today. The ecological value of the black locust wood is analyzed based on the study of its use and on the markets in Germany. It is a valuable tree like tropical tree species. It can be obtained by environmentally friendly procurement methods. Therefore, the possibility of growing this invasive species of plants on reclaimed coal-mining dumps under environmental monitoring has been studied. The plantations peculiarities of the black locust plant in the Northeast Lowland of Germany were investigated. The structure, properties of the work wood, and its possibilities of use were analyzed. The principles of sorting and corresponding quality criteria for the wood of the work were considered. We made comparison of the markets in Brandenburg (Germany) and Hungary. Measures to increase the use of work are suggested. The disrupted lands of the Male Polissya are considered as reserve territories for receiving ecological wood of the black locust. It is environmentally justifiable to set aside for this affected areas of coal mining in favourable forest areas. The phytomeliorative properties of black locust tree make it a promising species for afforestation of newly formed ecotopes with wide ecological amplitude in Male Polissya conditions. The creation of reclamation layers of loose soils is a prerequisite for ensuring their uniform growth and development in the conditions of coal-mining dumps. The distribution of the main taxation indices of the black locust stands on the new soils depends on their physicochemical properties and on the microclimatic features of the dumps. This causes differences in the growth and development of black locust plantations, effects on the quality of the wood of black locust and determines the ways of its possible use. Land reclamation effect of black locust plantations is associated with production effect. Simultaneously with receiving the black locust wood, the environmental situation will be getting better, because black locust can protect soil from erosion due to its root system. This is especially important in times of climate change. Black locust plantations on reclaimed coal-mining dumps can be considered as an additional source of the biologically stable wood.</abstract>
    <parentTitle language="eng">Scientific Bulletin of UNFU</parentTitle>
    <additionalTitle language="eng">Ecological assessment of black locust wood and coal-mining dumps, as a reserve area for its cultivation</additionalTitle>
    <identifier type="doi">10.36930/40300309</identifier>
    <identifier type="issn">1994-7836</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4433</identifier>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>U. B. Bashutska</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>ukr</language>
      <type>uncontrolled</type>
      <value>захист навколишнього середовища; екологічні міркування; біологічно стійка деревина; післягірничий ландшафт; сталий розвиток</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>environmental protection; ecological considerations; biologically stable wood; post-mining landscape; sustainable development</value>
    </subject>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/443/Bashutska_Cremer_Scientific_Bulletin_2020.pdf</file>
  </doc>
  <doc>
    <id>433</id>
    <completedYear>2021</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>12</pageLast>
    <pageNumber/>
    <edition/>
    <issue>12(10)</issue>
    <volume/>
    <type>article</type>
    <publisherName>MDPI</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2021-10-11</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Bark Thickness and Heights of the Bark Transition Area of Scots Pine</title>
    <abstract language="eng">The estimation of forest biomass is gaining interest not only for calculating harvesting volumes but also for carbon storage estimation. However, bark (and carbon) compounds are not distributed equally along the stem. Particularly when looking at Scots pine, a radical change in the structure of the bark along the stem can be noted. At the bark transition area, the bark changes from thick and rough to thin and smooth. The aim of our study was (1) to analyze the height of the bark transition area where the bark structure changes and (2) to analyze the effect of cardinal direction on the bark thickness. Regression analyses and forward selection were performed including measured tree height, DBH, bark thickness, crown base height and upper and lower heights of the bark transition areas of 375 trees. While the cardinal direction had no effect on bark thickness, DBH was found to have a significant effect on the heights of the bark transition areas, with stand density and tree height having a minor additional effect. These variables can be used to estimate timber volume (without bark) with higher accuracy and to predict the carbon storage potential of forest biomass according to different tree compartments and compounds.</abstract>
    <parentTitle language="deu">Forests</parentTitle>
    <identifier type="doi">10.3390/f12101386</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-4330</identifier>
    <identifier type="issn">1999-4907</identifier>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Florian Wilms</author>
    <author>Nils Duppel</author>
    <author>Tobias Cremer</author>
    <author>Ferréol Berendt</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>bark structure; Pinus sylvestris; forward selection; bark types</value>
    </subject>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/433/forests-12-01386-v2.pdf</file>
  </doc>
  <doc>
    <id>796</id>
    <completedYear>2023</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>1</pageNumber>
    <edition/>
    <issue>35</issue>
    <volume>149</volume>
    <type>contributiontoperiodical</type>
    <publisherName>DRW-Verlag Weinbrenner GmbH &amp; Co. KG</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2023-09-01</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Holzbauquote in Berlin-Brandenburg steigern</title>
    <abstract language="deu">Das im Februar gestartete Forschungsvorhaben "Adapt-Wald-Holz" unter der Leitung der Hochschule für nachhaltige Entwicklung Eberswalde (HNEE) steht im Zeichen von Branchenvernetzung, regionaler Wertschöpfung und Nachwuchsförderung. Ziel ist es, ein adaptives, d.h. anpassungsfähiges, Wald-Holz-Managementsystem für die Region Brandenburg-Berlin am Beispiel der Waldkiefer zu entwickeln.</abstract>
    <parentTitle language="deu">Holz-Zentralblatt</parentTitle>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-7965</identifier>
    <identifier type="issn">0018-3792</identifier>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">false</enrichment>
    <licence>Urheberrechtsschutz</licence>
    <author>Johannes Litschel</author>
    <author>Ferréol Berendt</author>
    <author>Tobias Cremer</author>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Transferbeiträge</collection>
    <collection role="Hochschulbibliographie" number="">Nicht ermittelbar</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
  </doc>
  <doc>
    <id>798</id>
    <completedYear>2023</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>1</pageNumber>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Entwicklung ertragskundlicher und ökologischer Paramter in einem Brandenburger Alley Cropping System</title>
    <parentTitle language="deu">Tagungsband 9. Forum Agroforstsysteme, 27. &amp; 28. September 2023</parentTitle>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-7980</identifier>
    <note>https://agroforst-info.de/nachlese-9-forum-agroforstsysteme/</note>
    <licence>Urheberrechtsschutz</licence>
    <author>Tobias Cremer</author>
    <author>Lea Martetschläger</author>
    <author>Marco Bartsch</author>
    <author>Sina Riethmüller</author>
    <author>Carmel Schnautz</author>
    <author>Thomas Gaiser</author>
    <author>Ralf Bloch</author>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Agroforst; Modellprojekt; Brandenburg; Reallabor</value>
    </subject>
    <collection role="institutes" number="">Fachbereich Landschaftsnutzung und Naturschutz</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Nicht ermittelbar</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
  </doc>
  <doc>
    <id>644</id>
    <completedYear>2022</completedYear>
    <publishedYear>2022</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>41</pageFirst>
    <pageLast>45</pageLast>
    <pageNumber/>
    <edition/>
    <issue>11</issue>
    <volume/>
    <type>contributiontoperiodical</type>
    <publisherName>Emminger &amp; Partner GmbH</publisherName>
    <publisherPlace>Berlin</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Agroforst auf trockenen Böden. On-Farm-Versuch in Brandenburg</title>
    <abstract language="deu">Die Anlage von Agroforstsystemen (AFS) wird seit einigen Jahren, auch in Deutschland, als Methode der Aufbauenden Landwirtschaft angesehen. Die Hochschule für nachhaltige Entwicklung Eberswalde (HNEE) erprobt diese Bewirtschaftungsform unter realen Bedingungen, im laufenden Geschäft eines Landwirtschaftsbetriebes – in einem sogenannten „Reallabor“.</abstract>
    <parentTitle language="deu">LUMBRICO: konservierender ökologischer Landbau</parentTitle>
    <identifier type="issn">1432-9387</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-6441</identifier>
    <licence>Urheberrechtsschutz</licence>
    <author>J. Grimpe</author>
    <author>S. Lucke</author>
    <author>T. Lorenz</author>
    <author>Ralf Bloch</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Agroforst; On-Farm-Versuch; Brandenburg</value>
    </subject>
    <collection role="institutes" number="">Fachbereich Landschaftsnutzung und Naturschutz</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Transferbeiträge</collection>
    <collection role="Hochschulbibliographie" number="">Nicht ermittelbar</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
  </doc>
  <doc>
    <id>645</id>
    <completedYear>2023</completedYear>
    <publishedYear>2023</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>47</pageNumber>
    <edition/>
    <issue>1</issue>
    <volume>57</volume>
    <type>article</type>
    <publisherName>The Finnish Society of Forest Science</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2023-04-20</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Estimation of conversion factors for wood stacks in landings and their influencing parameters: a comprehensive literature review for America and Europe</title>
    <abstract language="deu">In commercial transaction of stacked roundwood, the estimation of the stack net volume plays a key role. One generalized method to determine the net volume is using conversion factors that relate the gross and net volumes. In this literature review the developed methods to estimate the conversion factors as well as their influencing parameters were analyzed based on 153 references from America and Europe. According to the results, 48 different methods (including their variants) for estimating the conversion factors were developed. The newest methods enabled their accurate determination inexpensively, e.g., photo-optical methods or 3D simulation models. The analyzed references revealed that 30 parameters influence the conversion factors. Based on this comprehensive review, each stakeholder involved in the roundwood supply chain can know which method is used for estimating the conversion factors in the analyzed territories and which influencing parameters should be considered when purchasing roundwood in order to accurately assess the solid wood content in the stacks.</abstract>
    <parentTitle language="eng">Silva Fennica</parentTitle>
    <identifier type="doi">10.14214/sf.22018</identifier>
    <identifier type="issn">2242-4075</identifier>
    <identifier type="urn">urn:nbn:de:kobv:eb1-opus-6459</identifier>
    <licence>Creative Commons - CC BY-SA - Namensnennung - Weitergabe unter gleichen Bedingungen 4.0 International</licence>
    <author>Felipe de Miguel-Díez</author>
    <author>Thomas Purfürst</author>
    <author>Mauricio Acuna</author>
    <author>Eduardo Tolosana-Esteban</author>
    <author>Tobias Cremer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>log properties; roundwood measurement; roundwood purchase; stack properties; wood supply chain</value>
    </subject>
    <collection role="open_access" number="">open_access</collection>
    <collection role="institutes" number="">Fachbereich Wald und Umwelt</collection>
    <collection role="Hochschulbibliographie" number=""/>
    <collection role="Hochschulbibliographie" number="">Zweitveröffentlichung</collection>
    <collection role="Hochschulbibliographie" number="">Referiert</collection>
    <thesisPublisher>Hochschule für nachhaltige Entwicklung Eberswalde</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-hnee/files/645/article22018.pdf</file>
  </doc>
</export-example>
