期刊
ECOLOGY AND EVOLUTION
卷 7, 期 15, 页码 5891-5900出版社
WILEY
DOI: 10.1002/ece3.3120
关键词
body mass; conservation; diet; IUCN Red List; movement ecology; seasonal migration; tracking
资金
- National Science Foundation [DGE-0646086]
Many organisms migrate between distinct habitats, exploiting variable resources while profoundly affecting ecosystem services, disease spread, and human welfare. However, the very characteristics that make migration captivating and significant also make it difficult to study, and we lack a comprehensive understanding of which species migrate and why. Here we show that, among mammals, migration is concentrated within Cetacea and Artiodactyla but also diffusely spread throughout the class (found in 12 of 27 orders). We synthesize the many ecological drivers of round-trip migration into three types of movementbetween breeding and foraging sites, between breeding and refuge sites, and continuous tracking of forage/preyeach associated with different traits (body mass, diet, locomotion, and conservation status). Our results provide only partial support for the hypothesis that migration occurs without phylogenetic constraint. Furthermore, our findings suggest that categorizing migration into these three types may aid predictions of migrants' responses to environmental changes.
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