气候变化领域集成服务门户(CCPortal): Evolutionary rescue can be impeded by temporary environmental amelioration

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DOI	10.1111/ele.12465
	Evolutionary rescue can be impeded by temporary environmental amelioration
	Hao Y.-Q.; Brockhurst M.A.; Petchey O.L.; Zhang Q.-G.
发表日期	2015
ISSN	1461-023X
EISSN	1461-0248
卷号	18 期号:9
英文摘要	Rapid evolutionary adaptation has the potential to rescue from extinction populations experiencing environmental changes. Little is known, however, about the impact of short-term environmental fluctuations during long-term environmental deterioration, an intrinsic property of realistic environmental changes. Temporary environmental amelioration arising from such fluctuations could either facilitate evolutionary rescue by allowing population recovery (a positive demographic effect) or impede it by relaxing selection for beneficial mutations required for future survival (a negative population genetic effect). We address this uncertainty in an experiment with populations of a bacteriophage virus that evolved under deteriorating conditions (gradually increasing temperature). Periodic environmental amelioration (short periods of reduced temperature) caused demographic recovery during the early phase of the experiment, but ultimately reduced the frequency of evolutionary rescue. These experimental results suggest that environmental fluctuations could reduce the potential of evolutionary rescue. © 2015 John Wiley & Sons Ltd/CNRS.
英文关键词	Adaptation; Demographic recovery; Environmental change; Evolutionary rescue; Experimental evolution; Microcosm; Virus; Warming
学科领域	adaptation; bacteriophage; conservation genetics; environmental change; environmental management; extinction risk; global warming; microcosm; mutation; population genetics; population structure; species conservation; survival; temperature effect; temporal analysis; virus; adaptation; bacteriophage; environment; evolution; genetic selection; genetics; mutation; physiology; population density; reproductive fitness; species extinction; temperature; Adaptation, Biological; Bacteriophages; Biological Evolution; Environment; Extinction, Biological; Genetic Fitness; Mutation; Population Density; Selection, Genetic; Temperature
语种	英语
scopus关键词	adaptation; bacteriophage; conservation genetics; environmental change; environmental management; extinction risk; global warming; microcosm; mutation; population genetics; population structure; species conservation; survival; temperature effect; temporal analysis; virus; adaptation; bacteriophage; environment; evolution; genetic selection; genetics; mutation; physiology; population density; reproductive fitness; species extinction; temperature; Adaptation, Biological; Bacteriophages; Biological Evolution; Environment; Extinction, Biological; Genetic Fitness; Mutation; Population Density; Selection, Genetic; Temperature
来源期刊	Ecology Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/118641
作者单位	Institute for Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, Zurich, 8057, Switzerland; State Key Laboratory of Earth Surface Processes and Resource Ecology, MOE Key Laboratory for Biodiversity Science and Ecological Engineering, Beijing Normal University, Beijing, 100875, China; Department of Biology, University of York, Wentworth Way, York, YO10 5DD, United Kingdom; Department of Aquatic Ecology, Eawag: Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
推荐引用方式 GB/T 7714	Hao Y.-Q.,Brockhurst M.A.,Petchey O.L.,et al. Evolutionary rescue can be impeded by temporary environmental amelioration[J],2015,18(9).
APA	Hao Y.-Q.,Brockhurst M.A.,Petchey O.L.,&Zhang Q.-G..(2015).Evolutionary rescue can be impeded by temporary environmental amelioration.Ecology Letters,18(9).
MLA	Hao Y.-Q.,et al."Evolutionary rescue can be impeded by temporary environmental amelioration".Ecology Letters 18.9(2015).