globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12962
Scopus记录号: 2-s2.0-85048657385
论文题名:
Woody plants optimise stomatal behaviour relative to hydraulic risk
作者: Anderegg W.R.L.; Wolf A.; Arango-Velez A.; Choat B.; Chmura D.J.; Jansen S.; Kolb T.; Li S.; Meinzer F.C.; Pita P.; Resco de Dios V.; Sperry J.S.; Wolfe B.T.; Pacala S.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2018
卷: 21, 期:7
起始页码: 968
结束页码: 977
语种: 英语
英文关键词: climate change ; drought ; extreme events ; plant hydraulics ; vegetation model
英文摘要: Stomatal response to environmental conditions forms the backbone of all ecosystem and carbon cycle models, but is largely based on empirical relationships. Evolutionary theories of stomatal behaviour are critical for guarding against prediction errors of empirical models under future climates. Longstanding theory holds that stomata maximise fitness by acting to maintain constant marginal water use efficiency over a given time horizon, but a recent evolutionary theory proposes that stomata instead maximise carbon gain minus carbon costs/risk of hydraulic damage. Using data from 34 species that span global forest biomes, we find that the recent carbon-maximisation optimisation theory is widely supported, revealing that the evolution of stomatal regulation has not been primarily driven by attainment of constant marginal water use efficiency. Optimal control of stomata to manage hydraulic risk is likely to have significant consequences for ecosystem fluxes during drought, which is critical given projected intensification of the global hydrological cycle. © 2018 The Authors. Ecology Letters published by CNRS and John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107426
Appears in Collections:气候减缓与适应

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作者单位: Department of Biology, University of Utah, Salt Lake CityUT, United States; Arable Labs, Princeton, NJ, United States; Connecticut Agricultural Experiment Station, New Haven, CT, United States; Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW, Australia; Institute of Dendrology, Polish Academy of Sciences, ul. Parkowa 5, Kórnik, Poland; Institute of Systematic Botany and Ecology, Ulm University, Albert-Einstein-Allee 11, Ulm, Germany; School of Forestry, Northern Arizona University, Flagstaff, AZ, United States; Department of Wood Anatomy and Utilization, Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing, China; USDA Forest Service, Pacific Northwest Research Station, Corvallis, OR, United States; Technical University of Madrid, Madrid, Spain; Department of Crop and Forest Sciences and Agrotecnio Center, Universitat de Lleida, Lleida, Spain; Smithsonian Tropical Research Institute, Balboa, Panama; Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, United States

Recommended Citation:
Anderegg W.R.L.,Wolf A.,Arango-Velez A.,et al. Woody plants optimise stomatal behaviour relative to hydraulic risk[J]. Ecology Letters,2018-01-01,21(7)
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