globalchange  > 气候变化与战略
DOI: 10.1111/ele.13434
论文题名:
Shared morphological consequences of global warming in North American migratory birds
作者: Weeks B.C.; Willard D.E.; Zimova M.; Ellis A.A.; Witynski M.L.; Hennen M.; Winger B.M.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2020
卷: 23, 期:2
起始页码: 316
结束页码: 325
语种: 英语
中文关键词: Allometry ; body size ; climate change ; migration ; morphology
英文关键词: Animalia ; Aves ; animal ; bird ; body size ; climate change ; greenhouse effect ; population migration ; season ; temperature ; Animal Migration ; Animals ; Birds ; Body Size ; Climate Change ; Global Warming ; Seasons ; Temperature
英文摘要: Increasing temperatures associated with climate change are predicted to cause reductions in body size, a key determinant of animal physiology and ecology. Using a four-decade specimen series of 70 716 individuals of 52 North American migratory bird species, we demonstrate that increasing annual summer temperature over the 40-year period predicts consistent reductions in body size across these diverse taxa. Concurrently, wing length – an index of body shape that impacts numerous aspects of avian ecology and behaviour – has consistently increased across species. Our findings suggest that warming-induced body size reduction is a general response to climate change, and reveal a similarly consistent and unexpected shift in body shape. We hypothesise that increasing wing length represents a compensatory adaptation to maintain migration as reductions in body size have increased the metabolic cost of flight. An improved understanding of warming-induced morphological changes is important for predicting biotic responses to global change. © 2019 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/166739
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作者单位: School for Environment and Sustainability, University of Michigan, Dana Natural Resources Building, 440 Church St, Ann Arbor, MI 49109, United States; Museum of Zoology and Department of Ecology and Evolutionary Biology, University of Michigan, Biological Sciences Building, 1105 N. University Avenue, Ann Arbor, MI 48109, United States; Gantz Family Collection Center, The Field Museum, 1400 S. Lake Shore Dr, Chicago, IL 60605, United States

Recommended Citation:
Weeks B.C.,Willard D.E.,Zimova M.,et al. Shared morphological consequences of global warming in North American migratory birds[J]. Ecology Letters,2020-01-01,23(2)
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