globalchange  > 气候变化与战略
DOI: 10.1111/ele.13504
论文题名:
Winter in water: differential responses and the maintenance of biodiversity
作者: McMeans B.C.; McCann K.S.; Guzzo M.M.; Bartley T.J.; Bieg C.; Blanchfield P.J.; Fernandes T.; Giacomini H.C.; Middel T.; Rennie M.D.; Ridgway M.S.; Shuter B.J.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2020
卷: 23, 期:6
起始页码: 922
结束页码: 938
语种: 英语
中文关键词: Behaviour ; biotic interactions ; coexistence ; environmental variation ; fish ; freshwater ; ice-cover ; lake ; physiology ; season
英文关键词: behavioral response ; biodiversity ; climate change ; coexistence ; light effect ; oxygen ; physiological response ; seasonal variation ; temperate environment ; temperature effect ; winter ; Pisces ; water ; animal ; biodiversity ; ice cover ; lake ; season ; Animals ; Biodiversity ; Ice Cover ; Lakes ; Seasons ; Water
英文摘要: The ecological consequences of winter in freshwater systems are an understudied but rapidly emerging research area. Here, we argue that winter periods of reduced temperature and light (and potentially oxygen and resources) could play an underappreciated role in mediating the coexistence of species. This may be especially true for temperate and subarctic lakes, where seasonal changes in the thermal environment might fundamentally structure species interactions. With climate change already shortening ice-covered periods on temperate and polar lakes, consideration of how winter conditions shape biotic interactions is urgently needed. Using freshwater fishes in northern temperate lakes as a case study, we demonstrate how physiological trait differences (e.g. thermal preference, light sensitivity) drive differential behavioural responses to winter among competing species. Specifically, some species have a higher capacity for winter activity than others. Existing and new theory is presented to argue that such differential responses to winter can promote species coexistence. Importantly, if winter is a driver of niche differences that weaken competition between, relative to within species, then shrinking winter periods could threaten coexistence by tipping the scales in favour of certain sets of species over others. © 2020 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166670
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作者单位: Department of Biology, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, ON L5L 1C9, Canada; Department of Integrative Biology, University of Guelph, 50 Stone Road E., Guelph, ON N1G 2W1, Canada; Fisheries and Oceans Canada, 501 University Crescent, Winnipeg, MB R3T 2N6, Canada; IISD-Experimental Lakes Area, 111 Lombard Avenue, Winnipeg, MB R3B 0T4, Canada; Harkness Laboratory of Fisheries Research, Aquatic Research and Monitoring Section, Ontario Ministry of Natural Resources, Trent University, Peterborough, ON, Canada; Department of Biology, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada; Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks Street, Toronto, ON M5S 3B2, Canada

Recommended Citation:
McMeans B.C.,McCann K.S.,Guzzo M.M.,et al. Winter in water: differential responses and the maintenance of biodiversity[J]. Ecology Letters,2020-01-01,23(6)
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