globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85062800712
论文题名:
The adaptive potential of plant populations in response to extreme climate events
作者: Torres-Martínez L.; McCarten N.; Emery N.C.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2019
语种: 英语
英文关键词: additive genetic variance ; climate change ; El Niño ; extreme climate ; Fisher's Fundamental Theorem of Natural Selection ; Lasthenia fremontii ; precipitation ; vernal pools
英文摘要: The frequency and magnitude of extreme climate events are increasing with global change, yet we lack predictions and empirical evidence for the ability of wild populations to persist and adapt in response to these events. Here, we used Fisher's Fundamental Theorem of Natural Selection to evaluate the adaptive potential of Lasthenia fremontii, a herbaceous winter annual that is endemic to seasonally flooded wetlands in California, to alternative flooding regimes that occur during El Niño Southern Oscillation (ENSO) events. The results indicate that populations may exhibit greater adaptive potential in response to dry years than wet years, and that the relative performance of populations will change across climate scenarios. More generally, our findings show that extreme climate events can substantially change the potential for populations to adapt to climate change by modulating the expression of standing genetic variation and mean fitness. © 2019 John Wiley & Sons Ltd/CNRS
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122756
Appears in Collections:气候变化事实与影响

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作者单位: Department of Biological Sciences, Purdue University, 915 W. State Street, West Lafayette, IN 47907-2054, United States; Department of Evolution, Ecology and Organismal Biology, University of California, Riverside, CA 92521, United States; Department of Land, Air and Water Resources, University of California, Davis, CA 95616, United States; Department of Ecology and Evolutionary Biology, University of Colorado Boulder, Campus Box 334, Boulder, CO 80309-0334, United States

Recommended Citation:
Torres-Martínez L.,McCarten N.,Emery N.C.. The adaptive potential of plant populations in response to extreme climate events[J]. Ecology Letters,2019-01-01
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