Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2024
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Junbin Zhao Mikhail Mastepanov Carla Stadler Cornelya Klutsch Erling Fjelldal David Kniha Runar KjærAbstract
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Thomas Georges A Bawin Grzegorz Konert Corine Alexis Faehn Markku Juhani Keinänen Kirsten Krause Inger Martinussen Laura Elina Jaakola Katja Hannele KarppinenAbstract
The Climate Laboratory in Tromsø offers excellent facilities for controlled growth experiments. In an attempt to provide for future needs to perform qualitative and quantitative analysis of plant growth and plant traits at the laboratory scale, UiT and NIBIO have jointly implemented state-of-the-art monitoring and imaging systems as part of the strategic project ABSORB (https://site.uit.no/absorb/). Here, we present a 3D multi- and 2D hyper-spectral imaging platform, augmented with thermal analysis capabilities, tailored for plant phenotyping in both research and teaching contexts. The 3D imaging component of the PlantEye F600 laser scanner provides effortless and accurate non-invasive assessments of plant architecture and growth dynamics. Three complementary 2D hyperspectral cameras deliver more detailed spectral information across a 400-1700 nm range of wavelengths, supporting in-depth analysis of biochemical composition and stress responses at the macro- and micro-scales. We showcase the platform's versatility through two compelling experiments investigating drought-stress and light-inhibition, respectively. In the drought-stress experiment, we observed plant responses to water scarcity, tracking physiological changes and morphological adaptations with our integrated imaging system. In the light-inhibition experiment, we further explored the impact of light intensity on plant growth and development. We envision collaborative efforts to address the current challenges in plant biology, agriculture, and environmental science.
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Mingkai Jiang Belinda E. Medlyn David Wårlind Jürgen Knauer Katrin Fleischer Daniel S. Goll Stefan Olin Xiaojuan Yang Lin Yu Sönke Zaehle Haicheng Zhang He Lv Kristine Y. Crous Yolima Carrillo Catriona Macdonald Ian Anderson Matthias M. Boer Mark Farrell Andrew Gherlenda Laura Castañeda-Gómez Shun Hasegawa Klaus Jarosch Paul Milham Raúl Ochoa-Hueso Varsha Pathare Johanna Pihlblad Juan Piñeiro Nevado Jeff Powell Sally A. Power Peter Reich Markus Riegler David S. Ellsworth Benjamin SmithAbstract
The importance of phosphorus (P) in regulating ecosystem responses to climate change has fostered P-cycle implementation in land surface models, but their CO2 effects predictions have not been evaluated against measurements. Here, we perform a data-driven model evaluation where simulations of eight widely used P-enabled models were confronted with observations from a long-term free-air CO2 enrichment experiment in a mature, P-limited Eucalyptus forest. We show that most models predicted the correct sign and magnitude of the CO2 effect on ecosystem carbon (C) sequestration, but they generally overestimated the effects on plant C uptake and growth. We identify leaf-to-canopy scaling of photosynthesis, plant tissue stoichiometry, plant belowground C allocation, and the subsequent consequences for plant-microbial interaction as key areas in which models of ecosystem C-P interaction can be improved. Together, this data-model intercomparison reveals data-driven insights into the performance and functionality of P-enabled models and adds to the existing evidence that the global CO2-driven carbon sink is overestimated by models.
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Nhat Strøm-AndersenAbstract
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Anastasia Georgantzopoulou Sebastian Kühr Ralf Kaegi Mark Rehkämper Ralph A. Sperling Karl Andreas Jensen Ana Catarina Almeida Claire CoutrisAbstract
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Anastasia Georgantzopoulou Sebastian Kühr Ralph Kaegi Mark Rehkämper Ralph A. Sperling Karl Andreas Jensen Ana Catarina Almeida Claire CoutrisAbstract
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Tomasz Leszek WoznickiAbstract
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