Библиографическое описание:Soil nitrogen drives inverse acclimation of xylem growth cessation to rising temperature in Northern Hemisphere conifers : научное издание / Y. Y. Zhang [et al.]. - Текст : непосредственный // Proceedings of the National Academy of Sciences of the United States of America. - 2025. - Т. 122, № 30. - P. e2421834122. - ISSN 0027-8424. - ISSN 1091-6490, DOI 10.1073/pnas.2421834122.
Аннотация:<jats:p>Controlled experiments suggest that the seasonal build-up of nitrogen (N) limitation constrains the responses of forest autumn phenology to elevated temperatures. Therefore, rising soil N is expected to increase the delaying effects of elevated temperature on the end of the season, i.e., leaf senescence. However, the interactive effects of temperature, soil N, and aridity on xylem autumn phenology remain unknown. We conducted a wide spatial analysis from 75 conifer sites in the Northern Hemisphere and found that rising soil N increases the delaying effects of elevated temperature on the end of xylem cell wall thickening but reduced the delaying effects on the cessation of cell enlargement, especially in humid regions. The contrasting effects of elevated soil N on cell enlargement versus cell wall thickening could affect xylem cell anatomy, thereby induce changes in wood density, and induce a decoupling of stem size growth from photosynthate production. These analyses extend previous findings on forest autumn phenology by systematically investigating the spatial variation in the interactive effects of temperature and soil N on xylem autumn phenology at the cellular scale.</jats:p>
Источник:Proceedings of the National Academy of Sciences of the United States of America
Выпуск:Т. 122, № 30
Номера страниц:2421834122
Держатель оригинала документа:AGRARIA Department, Mediterranean University of Reggio Calabria, Biotechnical Faculty, Department of Wood Science and Technology, University of Ljubljana, Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Collaborative Laboratory for Integrated Forest and Fire Management, Department of Agricultural Sciences University of Naples Federico II, Department of Botany, Leopold-Franzens-University of Innsbruck, Department of Forest Ecology, Landscape Research Institute, Department of Geography, Johannes Gutenberg University, Department of Physical Geography and Geoecology, Charles University, Department of Sciences, University of Alberta–Augustana Campus, Department of Wood Science and Wood Technology, Mendel University in Brno, Dipartimento di Agricoltura, Ambiente e Alimenti, Università degli Studi del Molise, Faculty of Agricultural, Environmental and Food Sciences, Free University of Bozen-Bolzano, Forest Research Institute, Université du Quebec en Abitibi-Témiscamingue, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Institute of Economics and Trade, Siberian Federal University, Instituto Pirenaico de Ecología, Istituto di Ricerca sugli Ecosistemi Terrestri, Izmir Katip Çelebi University, Faculty of Forestry, Key Lab of Guangdong for Utilization of Remote Sensing and Geographical Information System, Guangdong Open Laboratory of Geospatial Information Technology and Application, Guangzhou Institute of Geography, Laboratoire sur les écosystèmes terrestres boréaux, Département des Sciences Fondamentales, Université du Québec à Chicoutimi, National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Natural Resources Institute Finland, School of Geographic and Oceanographic Sciences, Nanjing University, School of Life Sciences Technische Universität München, Slovenian Forestry Institute, State Key Laboratory for Vegetation Structure, Function and Construction, Key Laboratory of Biosystems Homeostasis and Protection, College of Life Sciences, Zhejiang University, State Key Laboratory of Tibetan Plateau Earth System, Environment and Resources, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Swiss Federal Research Institute for Forest, Snow and Landscape Research, Université de Lorraine, AgroParisTech
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