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DOI	10.1038/s41467-021-25163-9
	Global variation in the fraction of leaf nitrogen allocated to photosynthesis
	Luo X.; Keenan T.F.; Chen J.M.; Croft H.; Colin Prentice I.; Smith N.G.; Walker A.P.; Wang H.; Wang R.; Xu C.; Zhang Y.
发表日期	2021
ISSN	2041-1723
卷号	12 期号:1
英文摘要	Plants invest a considerable amount of leaf nitrogen in the photosynthetic enzyme ribulose-1,5-bisphosphate carboxylase-oxygenase (RuBisCO), forming a strong coupling of nitrogen and photosynthetic capacity. Variability in the nitrogen-photosynthesis relationship indicates different nitrogen use strategies of plants (i.e., the fraction nitrogen allocated to RuBisCO; fLNR), however, the reason for this remains unclear as widely different nitrogen use strategies are adopted in photosynthesis models. Here, we use a comprehensive database of in situ observations, a remote sensing product of leaf chlorophyll and ancillary climate and soil data, to examine the global distribution in fLNR using a random forest model. We find global fLNR is 18.2 ± 6.2%, with its variation largely driven by negative dependence on leaf mass per area and positive dependence on leaf phosphorus. Some climate and soil factors (i.e., light, atmospheric dryness, soil pH, and sand) have considerable positive influences on fLNR regionally. This study provides insight into the nitrogen-photosynthesis relationship of plants globally and an improved understanding of the global distribution of photosynthetic potential. © 2021, The Author(s).
语种	英语
scopus关键词	chlorophyll; nitrogen; phosphorus; ribulosebisphosphate carboxylase; nitrogen; chemical reaction; chlorophyll; detection method; leaf area; photosynthesis; plant; remote sensing; soil nutrient; soil-vegetation interaction; Article; atmosphere; climate; nonhuman; photosynthesis; plant leaf; random forest; remote sensing; sandy soil; soil acidity; chemistry; ecosystem; international cooperation; metabolism; plant leaf; soil; theoretical model; Chlorophyll; Climate; Ecosystem; Internationality; Models, Theoretical; Nitrogen; Phosphorus; Photosynthesis; Plant Leaves; Ribulose-Bisphosphate Carboxylase; Soil
来源期刊	Nature Communications
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/251368
作者单位	Department of Geography, National University of Singapore, Singapore, Singapore; Climate and Ecosystem Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, United States; Department of Environmental Science, Policy, and Management, UC Berkeley, CA, United States; Department of Geography and Planning, University of Toronto, Toronto, ON, Canada; Department of Animal and Plant Sciences, University of Sheffield, Sheffield, United Kingdom; Department of Biological Sciences, Macquarie University, North Ryde, NSW, Australia; Department of Earth System Science, Tsinghua University, Beijing, China; Department of Life Sciences, Imperial College London, Silwood Park Campus, Ascot, United Kingdom; Department of Biological Sciences, Texas Tech University, Lubbock, TX, United States; Environmental Sciences Division and Climate Change Science Institute, Oak Ridge National Laboratory, Oak Ridge, TN, United States; Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM...
推荐引用方式 GB/T 7714	Luo X.,Keenan T.F.,Chen J.M.,et al. Global variation in the fraction of leaf nitrogen allocated to photosynthesis[J],2021,12(1).
APA	Luo X..,Keenan T.F..,Chen J.M..,Croft H..,Colin Prentice I..,...&Zhang Y..(2021).Global variation in the fraction of leaf nitrogen allocated to photosynthesis.Nature Communications,12(1).
MLA	Luo X.,et al."Global variation in the fraction of leaf nitrogen allocated to photosynthesis".Nature Communications 12.1(2021).