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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: David N. Steger; Richard L. Peters; Theresa Blume; Alexander G. Hurley; +3 Authors

    Tree-specific canopy conductance (Gc) and its adjustment play a critical role in mitigating excess water loss in changing environmental conditions. However, the change of Gc sensitivity to environmental conditions due to drought remains unclear for European tree species. Here we quantified the environmental operational space of Gc, i.e., the water supply (soil moisture, tree water deficit) and demand conditions (vapor pressure deficit) under which Gc ≥ 50% is possible (Gc50OS), at two sites with different soil water availability for three common European tree species. We collected sap flow and dendrometer measurements for co-occurring Pinus sylvestris, Fagus sylvatica and Quercus petraea growing under different soil hydrological conditions (drier/wetter). These measurements were combined with meteorological variables and soil moisture conditions in five depths. Dendrometer measurements were used to confirm soil water availability patterns. For all analyses, the contrasting soil hydrology between sites was the main driver of Gc response. At the drier sites, F. sylvatica and P. sylvestris reduced their water consumption in response to decreasing soil water supply earlier in the growing season than Q. petraea. However, our analysis on the Gc50OS revealed that at the drier sites, F. sylvatica and Q. petraea reduced the extent of their Gc50OS to a higher degree than P. sylvestris. This indicates a higher level of Gc50OS adjustment to the drier site conditions for the two broadleaved species. These differences were more pronounced when using the dendrometer-derived tree internal water status as proxy for tree water supply. Our results provide preliminary evidence for diverging short-term Gc responses when temperate trees are exposed to prolonged reduction in water availability. These findings suggest that Gc50OS can help to constrain species-specific predictions of water use by mature trees, especially when combined with high-resolution water potential measurements.

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    Agricultural and Forest Meteorology
    Article . 2024 . Peer-reviewed
    License: CC BY
    Data sources: Crossref
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ GFZ German Research ...arrow_drop_down
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      Agricultural and Forest Meteorology
      Article . 2024 . Peer-reviewed
      License: CC BY
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Kowalski, Katja;

    Grasslands are vital landscape elements in Central Europe providing essential ecosystem services. Drought events, which are increasing with global climate change, negatively affect grassland vitality and productivity. Satellite remote sensing missions such as Sentinel-2/Landsat offer untapped potential for monitoring grassland vitality. However, workflows for grassland monitoring based on fractional cover of photosynthetic vegetation (PV), non-photosynthetic vegetation (NPV), and soil, remain largely unexplored. The goal of this thesis was to advance the understanding of drought impacts on Central European grasslands by developing a framework for monitoring grassland vitality. The framework included the retrieval of consistent PV, NPV, and soil fractional cover time series from Landsat/Sentinel-2, which was achieved by implementing and generalizing an unmixing workflow. Second, drought impacts were quantified and evaluated based on fractional cover time series. Results showed large-scale, severe, and long-lasting negative impacts on grassland vitality in extreme drought years (e.g., in 2003, and 2018-2020). Robust statistical links confirmed the overall consistent coupling of grassland vitality to drought, specifically to compounding droughts and heatwaves. Spatiotemporal patterns of grassland drought sensitivity revealed that underlying factors such as soil features, and climatic and hydrological conditions modulate drought impacts on local to regional scales. Findings of this thesis emphasize the value of generalized unmixing workflows based on Sentinel-2/Landsat time series for quantitative grassland monitoring across large areas. Furthermore, results suggest that droughts amplified by climate change will pose substantial challenges for grassland vitality across Central European grasslands in the future. The findings provide a steppingstone towards improved drought monitoring and can thus inform adaptation efforts to alleviate drought impacts on grasslands. Grasländer sind wichtige Elemente der zentraleuropäischen Landschaft und stellen essenzielle Ökosystemdienstleistungen bereit. Dürren, welche durch den globalen Klimawandel zunehmen, haben negative Auswirkungen auf die Vitalität und Produktivität von Grasland. Satellitenmissionen wie Sentinel-2 und Landsat liefern große, bisher ungenutzte Möglichkeiten für das Grasland Monitoring. Ansätze auf Basis quantitativer Parameter, z.B. Prozentanteile von photosynthetisch aktiver Vegetation (PV), nicht photosynthetisch aktiver Vegetation (NPV) und Boden sind bisher für die Anwendung in zentraleuropäischen Grasländern nicht erforscht. Das Ziel der Arbeit war es, das Verständnis von Dürreeinflüssen auf zentraleuropäische Grasländer durch die Entwicklung eines fernerkundungsbasierten Monitoring Frameworks zu verbessern. Der erste Teil dieses Frameworks umfasste die Ableitung konsistenter Zeitreihen von PV-, NPV-, und Bodenanteilen. Der zweite Teil umfasste die Quantifizierung von Dürreeffekten anhand dieser Zeitreihen. Die Ergebnisse zeigten einen großflächigen, massiven und langanhaltenden Rückgang von Graslandvitalität in extremen Dürrejahren (z.B. 2003, 2018-2020). Robuste statistische Zusammenhänge bestätigten die starke Kopplung von Graslandvitalität und Dürre, insbesondere bei gleichzeitigen Hitzewellen. Zudem beeinflussten Bodeneigenschaften sowie klimatische und hydrologische Bedingungen die Dürresensitivität. Die Ergebnisse unterstreichen den Wert von generalisierten Entmischungsansätzen basierend auf Sentinel-2/Landsat Zeitreihen für großflächiges, quantitatives Monitoring von Grasland. Die Ergebnisse deuten darauf hin, dass durch den Klimawandel verstärkte Dürreereignisse in Zukunft erheblichen Einfluss auf die Vitalität von Grasländern in Zentraleuropa haben werden. Die hier gewonnenen Informationen liefern wichtige Beiträge zur Verbesserung von Dürremonitoring und können die Maßnahmenentwicklung zur Verringerung von Dürreschäden im Grasland unterstützen.

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    https://doi.org/10.18452/28038...
    Doctoral thesis . 2024
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      https://doi.org/10.18452/28038...
      Doctoral thesis . 2024
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Roth, Alexandra Corinna;

    Der Begriff Bildung weist ein enormes Spektrum unterschiedlicher Bedeutungszuschreibun-gen auf und ist Gegenstand diverser Diskurse. Auch Öffentliche Bibliotheken bedienen sich des Terminus und nehmen für sich einen Bildungsauftrag in Anspruch. Eine begriffliche Präzisierung dessen, was sie konkret mit Bildung verbinden, bleibt dabei jedoch außen vor. Dem bibliothekarischen Bildungsbegriff mangelt es insofern an einer theoretischen Fundie-rung und an semantisch-konzeptioneller Klarheit. Die vorliegende Arbeit untersucht daher, nach welchem Verständnis bzw. Ideal von Bildung Öffentliche Bibliotheken in Deutschland agieren. Ein Schwerpunkt dabei ist die Frage, inwieweit bibliothekarische Bildungsvorstel-lungen mit den gegenwärtigen umfassenden Digitalisierungs- und Mediatisierungsprozes-sen in Verbindung stehen. Dem Erkenntnisinteresse entsprechend werden zunächst in ei-ner analytisch-synoptischen Herangehensweise ausgewählte Bildungstheorien vorgestellt und miteinander verglichen. Darauf aufbauend wird gezeigt, inwieweit es Gemeinsamkeiten sowie Unterschiede zwischen diversen Bildungsauffassungen einerseits und den Hand-lungsfeldern Öffentlicher Bibliotheken andererseits gibt. Auf diesen literaturgestützt-analy-tischen Teil der Arbeit folgt die Darstellung einer quantitativ angelegten Studie. Mittels einer Online-Umfrage unter Öffentlichen Bibliotheken in Deutschland werden Thesen, die sich aus den theoretischen Vorarbeiten ergeben, geprüft. Der quantitative Ansatz wird sodann mit einer qualitativen Befragung in Form von Experteninterviews, die der Vertiefung einzel-ner Aspekte dient, verknüpft. (S. Dissertationstext, Kap. Abstract). „Bildung“ is a specific german concept. The term is not clearly defined and has multiple meanings. For example, it might be associated with self-cultivation, formation, a well-edu-cated person or with a certain state of mind. Just like many other actors, public libraries use that term. But it remains unclear what they mean when they speak of „Bildung“. Finding this out, is the core question of this dissertation. One key aspect here is the question if the digital revolution is connected with the concept of „Bildung“ of public libraries in Germany. To find answers to the research questions, the dissertation includes a theoretical part which gives an overview of different concepts of „Bildung“ and the roots of the term. In addition to that, a comparative analysis of different meanings of „Bildung“ and the self-image and the actions of the public libraries in Germany is presented. The theoretical part is followed by the description of a quantitative study: An online-survey among public libraries in Germany was conducted to test several hypotheses that are based on the previous conclusions and ex-planations. To gain more information, the dissertation uses a qualitative approach as well: Several expert interviews were conducted to explore relevant aspects and details. (S. dissertation, chapter abstract).

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    https://doi.org/10.18452/28067...
    Doctoral thesis . 2024
    License: CC BY NC ND
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      https://doi.org/10.18452/28067...
      Doctoral thesis . 2024
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  • Authors: Kerber, Wolfgang;

    In its Communication "Building a European data economy" the EU Commission discusses the introduction of a new exclusive property right on data ("data producer right") for non-personal (or anonymised) machine-generated data, and mandatory access rights to privately held data for achieving more access, transfer and reuse of data, esp. in the context of "Internet of Things" applications. This article analyzes the problem of "rights on data" from an economic perspective (incentive problem, data markets, bargaining power problems, access problems in multi-stakeholder situations) and the reasonings and proposals in the Communication from an economic perspective. Important results are that a "data producer right" cannot be recom-mended but that access rights to data can be part of specifically tailored data governance solu-tions in certain sectors.

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  • Authors: Fink, Fabian; Hoffmann, Alexander; Herres-Pawlis, Sonja;

    From Data to Diamonds - Empowering Research with AI and RDM, Aachen, Germany, 14 Nov 2023 - 14 Nov 2023

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Schmullius, Christiane; Gessner, Ursula; Otte, Insa; Urban, Marcel; +13 Authors
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
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    Authors: Aschentrup, Leona; Steimer, Pia Anna; Dadaczynski, Kevin; McCall, Timothy; +2 Authors

    **Abstract** **Background** Though still a young field of research, gamified digital interventions have demonstrated potential in exerting a favourable impact on health and overall well-being. With the increasing use of the internet and digital devices, the integration of game elements presents novel opportunities for preventing mental disorders and enhancing mental health. Hence, this review aims to assess the effectiveness of gamified interventions focusing on preventing mental disorders or promoting mental health among adults. **Methods** Based on a scoping review across four databases (MEDLINE, Embase, PsycInfo and Web of Science), 7,953 studies were initially identified. After removing duplicates and screening titles, abstracts and full texts, 16 studies were identified as suitable for inclusion in a narrative synthesis of findings. We included interventional studies encompassing an intervention and a control group aiming to investigate the effectiveness of the use of gamified digital mental health interventions and the use of gamified digital elements. **Results** Overall, positive effects of gamified interventions on mental health-related outcomes were identified. In particular, beneficial consequences for psychological well-being and depressive symptoms were observed in all studies. However, further outcomes, such as resilience, anxiety, stress or satisfaction with life, showed heterogenous findings. Most game elements used were reward, sensation and progress, whilst the quantity of elements was not consistent and, therefore, no substantiated conclusion regarding the (optimal) quantity or composition of game elements can be drawn. Further, the outcomes, measurements and analyses differed greatly between the 16 included studies making comparisons difficult. **Conclusion** In summary, this review demonstrates the potential of integrating digital game elements on mental health and well-being with still a great gap of research. A taxonomy is needed to adequately address relevant game elements in the field of mental health promotion and prevention of mental disorders. Therefore, future studies should explicitly focus on the mechanisms of effect and apply rigorous study designs.

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    Publications at Bielefeld University
    Other literature type . 2024
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      Publications at Bielefeld University
      Other literature type . 2024
      License: CC BY
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    Authors: Mühlbeier, Edgar; Bauer, Vincent; Schade, Florian; Gönnheimer, Philipp; +2 Authors

    Rising product variants and shortened product life cycles require more flexible and universally utilizable production systems and machines. Consequently, it can be expected that the importance of industrial robots in production will continuously increase, due to their suitability to take over the role of a universal production machine. However, robots are not yet able to fulfill this role. Industrial use of robots has so far been limited mainly to simple transport and handling tasks in the context of human-robot collaboration as well as highly repetitive automated tasks in the context of manufacturing and assembly. For universal use, robots must be capable to perform more demanding tasks in manufacturing with higher requirements on mechanical stiffness and accuracy. Therefore, this paper presents a mechatronic system to couple two robots to a parallel kinematic system to temporarily increase the mechanical stiffness. The coupled state of the robots allows load sharing, higher process forces and eventually higher precision. The overall goal is to enable robots to perform more demanding manufacturing tasks and thus to be utilized in a wider range of applications. Design requirements, the development approach and optimization methods of the first coupling module prototype will be presented and discussed. The next development steps, a future demonstration system and possible use cases for the coupling module will be shown in the outlook.

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    https://doi.org/10.5445/ir/100...
    Article . 2024
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    KITopen
    Article . 2024
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      https://doi.org/10.5445/ir/100...
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      KITopen
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    Authors: Venkatesan, Vasudha;
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    Authors: Jaime Roberto Padilla-Martínez; Carola Paul; Kai Husmann; José Javier Corral-Rivas; +1 Authors

    Multispecies forests have received increased scientific attention, driven by the hypothesis that biodiversity improves ecological resilience. However, a greater species diversity presents challenges for forest management and research. Our study aims to develop basal area growth models for tree species cohorts. The analysis is based on a dataset of 423 permanent plots (2,500 m2) located in temperate forests in Durango, Mexico. First, we define tree species cohorts based on individual and neighborhood-based variables using a combination of principal component and cluster analyses. Then, we estimate the basal area increment of each cohort through the generalized additive model to describe the effect of tree size, competition, stand density and site quality. The principal component and cluster analyses assign a total of 37 tree species to eight cohorts that differed primarily with regard to the distribution of tree size and vertical position within the community. The generalized additive models provide satisfactory estimates of tree growth for the species cohorts, explaining between 19 and 53 percent of the total variation of basal area increment, and highlight the following results: i) most cohorts show a “rise-and-fall” effect of tree size on tree growth; ii) surprisingly, the competition index “basal area of larger trees” had showed a positive effect in four of the eight cohorts; iii) stand density had a negative effect on basal area increment, though the effect was minor in medium- and high-density stands, and iv) basal area growth was positively correlated with site quality except for an oak cohort. The developed species cohorts and growth models provide insight into their particular ecological features and growth patterns that may support the development of sustainable management strategies for temperate multispecies forests.

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    Forest Ecosystems
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      Forest Ecosystems
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: David N. Steger; Richard L. Peters; Theresa Blume; Alexander G. Hurley; +3 Authors

    Tree-specific canopy conductance (Gc) and its adjustment play a critical role in mitigating excess water loss in changing environmental conditions. However, the change of Gc sensitivity to environmental conditions due to drought remains unclear for European tree species. Here we quantified the environmental operational space of Gc, i.e., the water supply (soil moisture, tree water deficit) and demand conditions (vapor pressure deficit) under which Gc ≥ 50% is possible (Gc50OS), at two sites with different soil water availability for three common European tree species. We collected sap flow and dendrometer measurements for co-occurring Pinus sylvestris, Fagus sylvatica and Quercus petraea growing under different soil hydrological conditions (drier/wetter). These measurements were combined with meteorological variables and soil moisture conditions in five depths. Dendrometer measurements were used to confirm soil water availability patterns. For all analyses, the contrasting soil hydrology between sites was the main driver of Gc response. At the drier sites, F. sylvatica and P. sylvestris reduced their water consumption in response to decreasing soil water supply earlier in the growing season than Q. petraea. However, our analysis on the Gc50OS revealed that at the drier sites, F. sylvatica and Q. petraea reduced the extent of their Gc50OS to a higher degree than P. sylvestris. This indicates a higher level of Gc50OS adjustment to the drier site conditions for the two broadleaved species. These differences were more pronounced when using the dendrometer-derived tree internal water status as proxy for tree water supply. Our results provide preliminary evidence for diverging short-term Gc responses when temperate trees are exposed to prolonged reduction in water availability. These findings suggest that Gc50OS can help to constrain species-specific predictions of water use by mature trees, especially when combined with high-resolution water potential measurements.

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    Agricultural and Forest Meteorology
    Article . 2024 . Peer-reviewed
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      Agricultural and Forest Meteorology
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    Authors: Kowalski, Katja;

    Grasslands are vital landscape elements in Central Europe providing essential ecosystem services. Drought events, which are increasing with global climate change, negatively affect grassland vitality and productivity. Satellite remote sensing missions such as Sentinel-2/Landsat offer untapped potential for monitoring grassland vitality. However, workflows for grassland monitoring based on fractional cover of photosynthetic vegetation (PV), non-photosynthetic vegetation (NPV), and soil, remain largely unexplored. The goal of this thesis was to advance the understanding of drought impacts on Central European grasslands by developing a framework for monitoring grassland vitality. The framework included the retrieval of consistent PV, NPV, and soil fractional cover time series from Landsat/Sentinel-2, which was achieved by implementing and generalizing an unmixing workflow. Second, drought impacts were quantified and evaluated based on fractional cover time series. Results showed large-scale, severe, and long-lasting negative impacts on grassland vitality in extreme drought years (e.g., in 2003, and 2018-2020). Robust statistical links confirmed the overall consistent coupling of grassland vitality to drought, specifically to compounding droughts and heatwaves. Spatiotemporal patterns of grassland drought sensitivity revealed that underlying factors such as soil features, and climatic and hydrological conditions modulate drought impacts on local to regional scales. Findings of this thesis emphasize the value of generalized unmixing workflows based on Sentinel-2/Landsat time series for quantitative grassland monitoring across large areas. Furthermore, results suggest that droughts amplified by climate change will pose substantial challenges for grassland vitality across Central European grasslands in the future. The findings provide a steppingstone towards improved drought monitoring and can thus inform adaptation efforts to alleviate drought impacts on grasslands. Grasländer sind wichtige Elemente der zentraleuropäischen Landschaft und stellen essenzielle Ökosystemdienstleistungen bereit. Dürren, welche durch den globalen Klimawandel zunehmen, haben negative Auswirkungen auf die Vitalität und Produktivität von Grasland. Satellitenmissionen wie Sentinel-2 und Landsat liefern große, bisher ungenutzte Möglichkeiten für das Grasland Monitoring. Ansätze auf Basis quantitativer Parameter, z.B. Prozentanteile von photosynthetisch aktiver Vegetation (PV), nicht photosynthetisch aktiver Vegetation (NPV) und Boden sind bisher für die Anwendung in zentraleuropäischen Grasländern nicht erforscht. Das Ziel der Arbeit war es, das Verständnis von Dürreeinflüssen auf zentraleuropäische Grasländer durch die Entwicklung eines fernerkundungsbasierten Monitoring Frameworks zu verbessern. Der erste Teil dieses Frameworks umfasste die Ableitung konsistenter Zeitreihen von PV-, NPV-, und Bodenanteilen. Der zweite Teil umfasste die Quantifizierung von Dürreeffekten anhand dieser Zeitreihen. Die Ergebnisse zeigten einen großflächigen, massiven und langanhaltenden Rückgang von Graslandvitalität in extremen Dürrejahren (z.B. 2003, 2018-2020). Robuste statistische Zusammenhänge bestätigten die starke Kopplung von Graslandvitalität und Dürre, insbesondere bei gleichzeitigen Hitzewellen. Zudem beeinflussten Bodeneigenschaften sowie klimatische und hydrologische Bedingungen die Dürresensitivität. Die Ergebnisse unterstreichen den Wert von generalisierten Entmischungsansätzen basierend auf Sentinel-2/Landsat Zeitreihen für großflächiges, quantitatives Monitoring von Grasland. Die Ergebnisse deuten darauf hin, dass durch den Klimawandel verstärkte Dürreereignisse in Zukunft erheblichen Einfluss auf die Vitalität von Grasländern in Zentraleuropa haben werden. Die hier gewonnenen Informationen liefern wichtige Beiträge zur Verbesserung von Dürremonitoring und können die Maßnahmenentwicklung zur Verringerung von Dürreschäden im Grasland unterstützen.

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    https://doi.org/10.18452/28038...
    Doctoral thesis . 2024
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      https://doi.org/10.18452/28038...
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    Authors: Roth, Alexandra Corinna;

    Der Begriff Bildung weist ein enormes Spektrum unterschiedlicher Bedeutungszuschreibun-gen auf und ist Gegenstand diverser Diskurse. Auch Öffentliche Bibliotheken bedienen sich des Terminus und nehmen für sich einen Bildungsauftrag in Anspruch. Eine begriffliche Präzisierung dessen, was sie konkret mit Bildung verbinden, bleibt dabei jedoch außen vor. Dem bibliothekarischen Bildungsbegriff mangelt es insofern an einer theoretischen Fundie-rung und an semantisch-konzeptioneller Klarheit. Die vorliegende Arbeit untersucht daher, nach welchem Verständnis bzw. Ideal von Bildung Öffentliche Bibliotheken in Deutschland agieren. Ein Schwerpunkt dabei ist die Frage, inwieweit bibliothekarische Bildungsvorstel-lungen mit den gegenwärtigen umfassenden Digitalisierungs- und Mediatisierungsprozes-sen in Verbindung stehen. Dem Erkenntnisinteresse entsprechend werden zunächst in ei-ner analytisch-synoptischen Herangehensweise ausgewählte Bildungstheorien vorgestellt und miteinander verglichen. Darauf aufbauend wird gezeigt, inwieweit es Gemeinsamkeiten sowie Unterschiede zwischen diversen Bildungsauffassungen einerseits und den Hand-lungsfeldern Öffentlicher Bibliotheken andererseits gibt. Auf diesen literaturgestützt-analy-tischen Teil der Arbeit folgt die Darstellung einer quantitativ angelegten Studie. Mittels einer Online-Umfrage unter Öffentlichen Bibliotheken in Deutschland werden Thesen, die sich aus den theoretischen Vorarbeiten ergeben, geprüft. Der quantitative Ansatz wird sodann mit einer qualitativen Befragung in Form von Experteninterviews, die der Vertiefung einzel-ner Aspekte dient, verknüpft. (S. Dissertationstext, Kap. Abstract). „Bildung“ is a specific german concept. The term is not clearly defined and has multiple meanings. For example, it might be associated with self-cultivation, formation, a well-edu-cated person or with a certain state of mind. Just like many other actors, public libraries use that term. But it remains unclear what they mean when they speak of „Bildung“. Finding this out, is the core question of this dissertation. One key aspect here is the question if the digital revolution is connected with the concept of „Bildung“ of public libraries in Germany. To find answers to the research questions, the dissertation includes a theoretical part which gives an overview of different concepts of „Bildung“ and the roots of the term. In addition to that, a comparative analysis of different meanings of „Bildung“ and the self-image and the actions of the public libraries in Germany is presented. The theoretical part is followed by the description of a quantitative study: An online-survey among public libraries in Germany was conducted to test several hypotheses that are based on the previous conclusions and ex-planations. To gain more information, the dissertation uses a qualitative approach as well: Several expert interviews were conducted to explore relevant aspects and details. (S. dissertation, chapter abstract).

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    https://doi.org/10.18452/28067...
    Doctoral thesis . 2024
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  • Authors: Kerber, Wolfgang;

    In its Communication "Building a European data economy" the EU Commission discusses the introduction of a new exclusive property right on data ("data producer right") for non-personal (or anonymised) machine-generated data, and mandatory access rights to privately held data for achieving more access, transfer and reuse of data, esp. in the context of "Internet of Things" applications. This article analyzes the problem of "rights on data" from an economic perspective (incentive problem, data markets, bargaining power problems, access problems in multi-stakeholder situations) and the reasonings and proposals in the Communication from an economic perspective. Important results are that a "data producer right" cannot be recom-mended but that access rights to data can be part of specifically tailored data governance solu-tions in certain sectors.

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  • Authors: Fink, Fabian; Hoffmann, Alexander; Herres-Pawlis, Sonja;

    From Data to Diamonds - Empowering Research with AI and RDM, Aachen, Germany, 14 Nov 2023 - 14 Nov 2023

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    Authors: Schmullius, Christiane; Gessner, Ursula; Otte, Insa; Urban, Marcel; +13 Authors
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