globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85060712979
论文题名:
How do climate change experiments alter plot-scale climate?
作者: Ettinger A.K.; Chuine I.; Cook B.I.; Dukes J.S.; Ellison A.M.; Johnston M.R.; Panetta A.M.; Rollinson C.R.; Vitasse Y.; Wolkovich E.M.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2019
卷: 22, 期:4
起始页码: 748
结束页码: 763
语种: 英语
英文关键词: active-warming ; budburst ; direct and indirect effects ; feedback ; global warming ; hidden treatment ; microclimate ; soil moisture ; spring phenology ; structural control ; target temperature ; warming experiment
英文摘要: To understand and forecast biological responses to climate change, scientists frequently use field experiments that alter temperature and precipitation. Climate manipulations can manifest in complex ways, however, challenging interpretations of biological responses. We reviewed publications to compile a database of daily plot-scale climate data from 15 active-warming experiments. We find that the common practices of analysing treatments as mean or categorical changes (e.g. warmed vs. unwarmed) masks important variation in treatment effects over space and time. Our synthesis showed that measured mean warming, in plots with the same target warming within a study, differed by up to 1.6 ° C (63% of target), on average, across six studies with blocked designs. Variation was high across sites and designs: for example, plots differed by 1.1 ° C (47% of target) on average, for infrared studies with feedback control (n = 3) vs. by 2.2 ° C (80% of target) on average for infrared with constant wattage designs (n = 2). Warming treatments produce non-temperature effects as well, such as soil drying. The combination of these direct and indirect effects is complex and can have important biological consequences. With a case study of plant phenology across five experiments in our database, we show how accounting for drier soils with warming tripled the estimated sensitivity of budburst to temperature. We provide recommendations for future analyses, experimental design, and data sharing to improve our mechanistic understanding from climate change experiments, and thus their utility to accurately forecast species’ responses. © 2019 John Wiley & Sons Ltd/CNRS
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122717
Appears in Collections:气候变化事实与影响

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作者单位: Arnold Arboretum of Harvard University, Boston, MA 02131, United States; Tufts UniversityMA 02155, United States; CEFE UMR 5175, CNRS, Université de Montpellier, Université Paul-Valéry Montpellier, EPHE IRD, Montpellier, France; Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, United States; NASA Goddard Institute for Space Studies, New York, NY 10025, United States; Department of Forestry and Natural Resources and Department of Biological Sciences, Purdue University, West Lafayette, IN 47907, United States; Harvard Forest, Harvard University, Petersham, MA 01366, United States; Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, United States; Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO 80309, United States; Center for Tree Science, The Morton Arboretum, Lisle, IL 60532, United States; Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland; SwissForestLab, Birmensdorf, Switzerland; Forest & Conservation Sciences, Faculty of Forestry, University of British Columbia, Vancouver, BC V6T 1Z4, Canada

Recommended Citation:
Ettinger A.K.,Chuine I.,Cook B.I.,et al. How do climate change experiments alter plot-scale climate?[J]. Ecology Letters,2019-01-01,22(4)
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