globalchange  > 气候变化与战略
DOI: 10.1111/ele.13464
论文题名:
Metabolic rate is negatively linked to adult survival but does not explain latitudinal differences in songbirds
作者: Boyce A.J.; Mouton J.C.; Lloyd P.; Wolf B.O.; Martin T.E.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2020
卷: 23, 期:4
起始页码: 642
结束页码: 652
语种: 英语
中文关键词: BMR ; demography ; life history ; lifespan ; metabolism ; pace of life ; physiology ; rate of living ; RMR ; senescence
英文关键词: demography ; latitudinal gradient ; life history ; metabolism ; physiology ; senescence ; songbird ; Aves ; animal ; basal metabolic rate ; songbird ; Animals ; Basal Metabolism ; Songbirds
英文摘要: Survival rates vary dramatically among species and predictably across latitudes, but causes of this variation are unclear. The rate-of-living hypothesis posits that physiological damage from metabolism causes species with faster metabolic rates to exhibit lower survival rates. However, whether increased survival commonly observed in tropical and south temperate latitudes is associated with slower metabolic rate remains unclear. We compared metabolic rates and annual survival rates that we measured across 46 species, and from literature data across 147 species of birds in northern, southern and tropical latitudes. High metabolic rates were associated with lower survival but survival varied substantially among latitudinal regions independent of metabolism. The inability of metabolic rate to explain latitudinal variation in survival suggests (1) species may evolve physiological mechanisms that mitigate physiological damage from cellular metabolism and (2) extrinsic rather than intrinsic sources of mortality are the primary causes of latitudinal differences in survival. © 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/166599
Appears in Collections:气候变化与战略

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作者单位: Montana Cooperative Wildlife Research Unit, Wildlife Biology Program, University of Montana, Missoula, MT, United States; Montana Cooperative Wildlife Research Unit, Division of Biological Sciences, University of Montana, Missoula, MT, United States; FitzPatrick Institute of African Ornithology, Department of Science and Technology/National Research Foundation Centre of Excellence, University of Cape Town, Private Bag X3, Rondebosch, 7701, South Africa; Department of Biology, University of New Mexico, Albuquerque, NM, United States; U.S. Geological Survey, Montana Cooperative Wildlife Research Unit, University of Montana, Missoula, MT, United States; Biodiversity Assessment and Management Pty Ltd, PO Box 1376, Cleveland, QLD 4163, Australia; Conservation Ecology Center, Smithsonian Conservation Biology Institute, Front Royal, VA 4163, Australia

Recommended Citation:
Boyce A.J.,Mouton J.C.,Lloyd P.,et al. Metabolic rate is negatively linked to adult survival but does not explain latitudinal differences in songbirds[J]. Ecology Letters,2020-01-01,23(4)
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