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How far to go? Determinants of migration distance in land mammals

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dc.contributor.author Teitelbaum, Claire S. en
dc.contributor.author Fagan, William F. en
dc.contributor.author Fleming, Chris H. en
dc.contributor.author Dressler, Gunnar en
dc.contributor.author Calabrese, Justin M. en
dc.contributor.author Leimgruber, Peter en
dc.contributor.author Mueller, Thomas en
dc.date.accessioned 2015-04-20T15:15:34Z
dc.date.available 2015-04-20T15:15:34Z
dc.date.issued 2015
dc.identifier.citation Teitelbaum, Claire S., Fagan, William F., Fleming, Chris H., Dressler, Gunnar, Calabrese, Justin M., Leimgruber, Peter, and Mueller, Thomas. 2015. "<a href="https%3A%2F%2Frepository.si.edu%2Fhandle%2F10088%2F25364">How far to go? Determinants of migration distance in land mammals</a>." <em>Ecology Letters</em>. 18 (6):545&ndash;552. <a href="https://doi.org/10.1111/ele.12435">https://doi.org/10.1111/ele.12435</a> en
dc.identifier.issn 1461-023X
dc.identifier.uri http://hdl.handle.net/10088/25364
dc.description.abstract 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. en
dc.relation.ispartof Ecology Letters en
dc.title How far to go? Determinants of migration distance in land mammals en
dc.type Journal Article en
dc.identifier.srbnumber 135690
dc.identifier.doi 10.1111/ele.12435
rft.jtitle Ecology Letters
rft.volume 18
rft.issue 6
rft.spage 545
rft.epage 552
dc.description.SIUnit NZP en
dc.description.SIUnit Peer-reviewed en
dc.citation.spage 545
dc.citation.epage 552

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