TY - THES A1 - Lenz, Claudia T1 - Untersuchungen zur Bildung von Kupferoxalat am Beispiel von Poria placenta N2 - Bestimmte Braunfäule-erregende Basidiomyceten sind befähigt Kupferoxalat, aus mit Holzschutzmittel imprägniertem Holz, auszufällen. In dieser Arbeit wird die Ausfällung von Kupferoxalat aus dem wasserlöslichen, kupferbasierten Holzschutzmittel Kupfersulfat im Zusammenhang mit dem Basidiomycet Poria placenta an Pinus sylvestris L. untersucht. Gegenstand der Untersuchungen sind licht- und rasterelektronenmikroskopische Analysen im Hinblick auf die in situ Ausfällung von Kupferoxalat. KW - Kupfertoleranz KW - Basidiomycet KW - Kupferoxalat KW - Braunfäule KW - Poria placenta Y1 - 2015 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-2957 N1 - Aus der Bachelorarbeit ging folgender Artikel hervor: Claudia Lenz, Eckhard Melcher, Ralf Möller, Silke Lautner: "Microscopic investigations concerning In Situ Oxalate Formation by the brown-rot fungus Poria Placenta". Erschienen in Drewno 2017, Vol. 60, No. 199. DOI: 10.12841/wood.1644-3985.215.01 ER - TY - GEN A1 - Lenz, Claudia A1 - Wolff, Ian A1 - Beyer, Mario A1 - Koch, Gerald A1 - Pfriem, Alexander T1 - DMP: Predictability of color changes of wood used indoor - A new approach to evaluate the colour change as a function of the radiation dose. Research Data Management Questionnaire N2 - This is a data management plan for the DFG research project "Predictability of color changes of wood used indoor - A new approach to evaluate the color change as a function of the radiation dose". DFG Funding code / Project number: 442135169 Project website: https://gepris.dfg.de/gepris/projekt/442135169?language=en This data management plan (DMP) applies to the Research Data Management Organizer (RDMO) questionnaire and was operated with the RDMO software: https://rdmorganiser.github.io/en/ KW - data management plan; wood; radiation dose; photo-induced color changes; chromophore; natural and artificial irradiation; European wood species; interior; sunlight exposure; physics; chemistry; spectroscopic measurement methods Y1 - 2023 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-8237 N1 - Version 3 ER - TY - CHAP A1 - Wolff, Ian A1 - Lenz, Claudia A1 - Panitz, Michael A1 - Pfriem, Alexander T1 - Chart for the Core Objectives of Data Publishing within Technical Infrastructure for Research Data Management N2 - Academic data stewardship at universities has to fulfil many different roles. One of the most important is to build up a connection to researchers and bridge the gap between research data infrastructure and researchers. Different scientific communities have different requirements for research data management and expectations regarding text and data publication. In many of the sub-disciplines of engineering sciences, research data management practices are not established so far. When it comes to contact between data stewards and researchers, a common knowledge base has to be established to become clear about why and what actions for research data management has to take, that engineering researchers can adapt them for their research data management practices. Many research data management standards have to take into consideration. However, to this point of time, the research data management community lacks for data literacy graphics to explain how the technical data management ecosystem works together with standards like the findability, accessibility, interoperability and reuse (FAIR) principles. Therefore, we developed a graphic for data literacy and consulting scenarios. KW - data literacy; research data management; engineering sciences; chart Y1 - 2023 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-8240 ER - TY - CHAP A1 - Schmidt, Markus A1 - Hartmann, Holger A1 - Pflugmacher, Candy A1 - Schmidt, Henriette A1 - Schweiger, Julienne A1 - Lenz, Claudia A1 - Götz, Bernhard A1 - Schill, Harald T1 - Klimasensitivität seltener heimischer Baumarten im nordostdeutschen Tiefland - Ökophysiologische Untersuchungen zur Reaktion auf Trockenstress T2 - Forstwissenschaftliche Tagung (FowiTa), 24.-27. September 2018, Göttingen, Germany KW - Klimawandel; Trockenheit; heimische Baumarten; Photosyntheserate; isohydrisch; anisohydrisch Y1 - 2018 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4294 N1 - Session 1: Seltene heimische und nicht-heimische Baumarten im Klimawandel: Anbauempfehlungen, Chancen und Risiken, Poster 1-P09 ER - TY - CHAP A1 - Lenz, Claudia A1 - Gollee, Paul A1 - Kühn, Michael A1 - Leich, Christian A1 - Pfriem, Alexander ED - Larnøy, Erik T1 - Artificial irradiation (indoors) of European wood species at different irradiation intensities and at different temperatures T2 - Proceedings of the 19th Meeting of the Northern European Network for Wood Science and Engineering (WSE) 10-12 October 2023 N2 - The background of the topic is to compare the colour changes at different irradiances and temperatures at constant relative humidity. The issue is important because evaluation in terms of irradiance has not been studied in more detail. Irradiation intensities were reported in many studies but tended to have metadata status. The concrete influence of the irradiance on chemical and colour changes in the wood remains open. This paper presents an approach to inquiry-based teaching within a basic research project. Initial results from a large-scale data series are presented here. Irradiance is the term for the total power of incoming electromagnetic energy striking a surface, related to the size of the area, measured in watts per square metre [W/m²]. KW - artificial irradiation KW - wood KW - indoors KW - colour changes KW - CIE L*a*b* Y1 - 2023 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-7654 N1 - Please check the Repository of papers NORTHERN EUROPEAN NETWORK FOR WOOD SCIENCE AND ENGINEERING https://wsenetwork.org/ SP - 125 EP - 127 PB - Published with support from SNS – The Nordic Forest Research Cooperation Commitee CY - Ås, Norway ER - TY - CHAP A1 - Lautner, Silke A1 - Lenz, Claudia A1 - Hammel, Jörg A1 - Moosmann, Julian A1 - Kühn, Michael A1 - Caselle, Michele A1 - Vogelgesang, Matthias A1 - Kopmann, Andreas A1 - Beckmann, Felix T1 - Using SRμCT to define water transport capacity in Picea abies. SPIE Optics+Photonics Y1 - 2017 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-7636 N1 - August 06-10, 2017, San Diego Convention Center, San Diego, California, USA ER - TY - CHAP A1 - Lenz, Claudia A1 - Lautner, Silke T1 - Trockenheitsgefährdung und Anpassung unterschiedlicher Fichtenpopulationen (Fichte-Trockenheit) Y1 - 2019 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-7641 N1 - Erste HNEE Nachhaltigkeitstage vom 20. bis 24. Mai 2019, Poster Präsentation von HNEE-Forschungsprojekten ER - TY - CHAP A1 - Schmidt, Henriette A1 - Schmidt, Markus A1 - Schweiger, Julienne M.-I. A1 - Lenz, Claudia A1 - Hartmann, Holger A1 - Pflugmacher, Candy A1 - Götz, Bernhard A1 - Gebauer, Gerhard A1 - Schill, Harald T1 - Climate sensitivity of rare native tree species in NE-Germany - A dendroecological and ecophysiological approach Y1 - 2018 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-7610 N1 - Session 14: Forest Ecology - linking diversity and function, Poster 7; 48th annual meeting of the Ecological Society of Germany Austria and Switzerland (GfÖ), September 10-14, 2018, Vienna, Austria ER - TY - CHAP A1 - Sanne, Moritz A1 - Kampe, Anja A1 - Lenz, Claudia A1 - Gossel, Stefan A1 - Wagner, Sabine A1 - Haibel, Astrid A1 - Melcher, Eckhard A1 - Leu, Carsten A1 - Pfriem, Alexander A1 - Lautner, Silke ED - Engelund Thybring, Emil T1 - Anatomical studies of wood treated with pressure pulse shock waves T2 - Proceedings of the 13th annual meeting of the Northern European Network for Wood Science and Engineering (WSE2017) N2 - Similar to a normal wave, a shock wave travels as energy through matter but it causes an abrupt raise of pressure, temperature and density. In this study the influence of shock waves on wood structure were investigated in the light of possible future industrial utilization e.g. timber impregnating treatment. KW - shock wave; pressure pulse; impregnation; microtomography Y1 - 2017 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-6841 ER - TY - CHAP A1 - Franke, Tom A1 - Lenz, Claudia A1 - Hertrich, Sven A1 - Kehr, Martin A1 - Kuhnert, Niklas A1 - Munier, Leo Felix A1 - Schultz, Marcus A1 - Stepputat, Sören A1 - Herold, Nadine A1 - Pfriem, Alexander T1 - Künstliche Bewitterung von Buchenfurnier (Fagus sylvatica) imprägniert mit drei Phenolharzen unterschiedlichen Molekulargewichts Y1 - 2016 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-7609 N1 - 17. Holztechnologisches Kolloquium 28.-29. April 2016, Dresden, Germany ER - TY - CHAP A1 - Schweiger, Julienne A1 - Schmidt, Henriette A1 - Aas, Gregor A1 - Gebauer, Gerhard A1 - Götz, Bernhard A1 - Hartmann, Holger A1 - Lenz, Claudia A1 - Pflugmacher, Candy A1 - Schmidt, Markus A1 - Schill, Harald T1 - Carbon isotopes elucidate drought stress in rare native tree species in NE-Germany Y1 - 2019 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-7627 N1 - Session 2: Stable isotopes in environmental research - bridging disciplines, organisms and processes, Poster 2.2, BayCEER Workshop 2019, October 10, 2019 - Campus University of Bayreuth, Germany ER - TY - CHAP A1 - Lenz, Claudia A1 - Lautner, Silke A1 - Melcher, Eckhard A1 - Möller, Ralf ED - Wilson, P. T1 - Microscopic investigations concerning in situ copper oxalate formation T2 - Proceedings of the 10th annual meeting of the Northern European Network for Wood Science and Engineering (WSE 2014) Y1 - 2014 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-7597 N1 - October 13-14, 2014, Edinburgh, Scotland SP - 231 EP - 231 ER - TY - GEN A1 - Sanne, Moritz A1 - Kampe, Anja A1 - Lenz, Claudia A1 - Gossel, Stefan A1 - Wagner, Sabine A1 - Haibel, Astrid A1 - Melcher, Eckhard A1 - Leu, Carsten A1 - Pfriem, Alexander A1 - Lautner, Silke T1 - Introduction of shock wave technology to fir wood preservation T2 - International Wood Products Journal N2 - Similar to a normal wave, a shock wave travels as energy through matter but it causes an abrupt rise of pressure, temperature and density. In this study, the influence of shock waves on wood structure were investigated in the light of possible future industrial utilization e.g. timber impregnating treatment. The constructed autoclave is capable of creating shock waves either by an electrical pulse breakdown of a spark gap arrangement or by electromagnetic actuators. The penetration depths of the fir wood test samples were measured using light microscopy, SEM and micro-computed tomography. Our results showed that by varying the intensity of the incident shock wave, the distance between the shock wave generating device and the test sample, and/or the orientation of test sample in relation to the shockwave, the wood tissue structure had been heavily disintegrated or hardly affected at all. An improvement on impregnation could not be found. KW - Shock wave; pressure pulse; wood impregnation; X-ray computed microtomography; GIS for area calculation Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4536 SN - 2042-6445 VL - 12 IS - 1 SP - 3 EP - 6 PB - Taylor & Francis ER - TY - THES A1 - Lenz, Claudia T1 - Holzanatomische Untersuchungen von Fichten-Bohrkernen N2 - Zielstellung der Arbeit ist es, das sekundäre Xylem von Picea abies (L.) Karst. anhand von Mikrotom-Schnitten lichtmikroskopisch zu untersuchen. Dabei sollen Jahrringe aus Vegetationsperioden mit Trockenstress analysiert werden. Referenz bilden dabei Jahrringe mit vorteilhaften klimatischen Bedingungen während der Vegetationsperiode. Zu untersuchen sind dabei Anteile von Früh- und Spätholz, Flächenanteile von Lumina und Zellwänden, Zellwanddicken, Dichte und Verteilung von Harzkanälen, Dichte und Höhen der Holzstrahlen sowie Faserlängen. Aus diesen Ergebnissen geht der Einfluss von Trockenheit und Hitze auf die Holzbildung in Picea abies hervor. KW - Klimawandel KW - Trockenstress KW - Holzanatomie KW - Fichte KW - Trockenheit KW - Jahrringe KW - Picea Y1 - 2017 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:eb1-opus-4193 N1 - Diese Arbeit entstand im Rahmen des Forschungsprojektes „Fichte Trockenheit“. Förderung: Bundesministerium für Ernährung und Landwirtschaft (BMEL) und Bundesministerium für Umwelt, Naturschutz und nukleare Sicherheit (BMU) im Rahmen des Waldklimafonds, Laufzeit: 15.12.2015 - 31.03.2020, Förderkennzeichen: 22WB408302 Projektträgerschaft: Fachagentur Nachwachsene Rohstoffe e.V. (FNR) und Kompetenz- und Informationszentrum Wald und Holz (KIWuH) - ab 01.01.2019; vorher Projektträger (pt) Bundesanstalt für Landwirtschaft und Ernährung (BLE) - (ptble) Projektbrief: https://literatur.thuenen.de/digbib_extern/dn063652.pdf Abschlussbericht: https://www.fnr.de/ftp/pdf/berichte/22WB408302.pdf ER -