globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12894
Scopus记录号: 2-s2.0-85040788998
论文题名:
Nutrients from salmon parents alter selection pressures on their offspring
作者: Auer S.K.; Anderson G.J.; McKelvey S.; Bassar R.D.; McLennan D.; Armstrong J.D.; Nislow K.H.; Downie H.K.; McKelvey L.; Morgan T.A.J.; Salin K.; Orrell D.L.; Gauthey A.; Reid T.C.; Metcalfe N.B.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2018
卷: 21, 期:2
起始页码: 287
结束页码: 295
语种: 英语
英文关键词: Eco-evolutionary dynamics ; eco-evolutionary feedbacks ; natural selection ; niche construction ; Salmo salar ; selection differential ; selection gradient
Scopus关键词: Salmo salar
英文摘要: Organisms can modify their surrounding environment, but whether these changes are large enough to feed back and alter their evolutionary trajectories is not well understood, particularly in wild populations. Here we show that nutrient pulses from decomposing Atlantic salmon (Salmo salar) parents alter selection pressures on their offspring with important consequences for their phenotypic and genetic diversity. We found a strong survival advantage to larger eggs and faster juvenile metabolic rates in streams lacking carcasses but not in streams containing this parental nutrient input. Differences in selection intensities led to significant phenotypic divergence in these two traits among stream types. Stronger selection in streams with low parental nutrient input also decreased the number of surviving families compared to streams with high parental nutrient levels. Observed effects of parent-derived nutrients on selection pressures provide experimental evidence for key components of eco-evolutionary feedbacks in wild populations. © 2017 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/107508
Appears in Collections:气候减缓与适应

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作者单位: Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, United Kingdom; Cromarty Firth Fishery Trust, Inverness, United Kingdom; Department of Biology, Williams College, Williamstown, MA, United States; Freshwater Fisheries Laboratory, Marine Scotland–Science, Pitlochry, United Kingdom; USDA Forest Service Northern Research Station, Amherst, MA, United States; Université Pierre et Marie Curie, Paris, France

Recommended Citation:
Auer S.K.,Anderson G.J.,McKelvey S.,et al. Nutrients from salmon parents alter selection pressures on their offspring[J]. Ecology Letters,2018-01-01,21(2)
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