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DOI	10.1111/ele.12435
	How far to go? Determinants of migration distance in land mammals
	Teitelbaum C.S.; Fagan W.F.; Fleming C.H.; Dressler G.; Calabrese J.M.; Leimgruber P.; Mueller T.
发表日期	2015
ISSN	1461-023X
EISSN	1461-0248
卷号	18 期号:6
英文摘要	Animal migration is a global phenomenon, but few studies have examined the substantial within- and between-species variation in migration distances. We built a global database of 94 land migrations of large mammalian herbivore populations ranging from 10 to 1638 km. We examined how resource availability, spatial scale of resource variability and body size affect migration distance among populations. Resource availability measured as normalised difference vegetation index had a strong negative effect, predicting a tenfold difference in migration distances between low- and high-resource areas and explaining 23% of the variation in migration distances. We found a weak, positive effect of the spatial scale of resource variability but no effect of body size. Resource-poor environments are known to increase the size of mammalian home ranges and territories. Here, we demonstrate that for migratory populations as well, animals living in resource-poor environments travel farther to fulfil their resource needs. © 2015 John Wiley & Sons Ltd/CNRS.
英文关键词	Foraging resources; Land migrations; Mammalian herbivores; Migration distance; Normalised difference vegetation index; Scaling relationships; Ungulates
学科领域	Animalia; Mammalia; Ungulata; animal; animal behavior; body size; ecosystem; herbivory; mammal; plant; population migration; spatial analysis; statistical model; Animal Migration; Animals; Body Size; Ecosystem; Herbivory; Homing Behavior; Linear Models; Mammals; Plants; Spatial Analysis
语种	英语
scopus关键词	Animalia; Mammalia; Ungulata; animal; animal behavior; body size; ecosystem; herbivory; mammal; plant; population migration; spatial analysis; statistical model; Animal Migration; Animals; Body Size; Ecosystem; Herbivory; Homing Behavior; Linear Models; Mammals; Plants; Spatial Analysis
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/118646
作者单位	Senckenberg Biodiversity and Climate Research Centre, Senckenberg Gesellschaft für Naturforschung, Senckenberganlage 25, Frankfurt (Main), 60325, Germany; Department of Biological Sciences, Goethe University, Max-von-Laue-Straße 9, Frankfurt (Main), 60438, Germany; Department of Biology, University of Maryland, College Park, MD 20742, United States; Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA 22630, United States
推荐引用方式 GB/T 7714	Teitelbaum C.S.,Fagan W.F.,Fleming C.H.,et al. How far to go? Determinants of migration distance in land mammals[J],2015,18(6).
APA	Teitelbaum C.S..,Fagan W.F..,Fleming C.H..,Dressler G..,Calabrese J.M..,...&Mueller T..(2015).How far to go? Determinants of migration distance in land mammals.Ecology Letters,18(6).
MLA	Teitelbaum C.S.,et al."How far to go? Determinants of migration distance in land mammals".Ecology Letters 18.6(2015).