Longest terrestrial migrations and movements around the world

Joly, K. et al. (2019) Longest terrestrial migrations and movements around the world. Scientific Reports, 9, 15333. (doi: 10.1038/s41598-019-51884-5) (PMID:31654045) (PMCID:PMC6814704)

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Long-distance terrestrial migrations are imperiled globally. We determined both round-trip migration distances (straight-line measurements between migratory end points) and total annual movement (sum of the distances between successive relocations over a year) for a suite of large mammals that had potential for long-distance movements to test which species displayed the longest of both. We found that caribou likely do exhibit the longest terrestrial migrations on the planet, but, over the course of a year, gray wolves move the most. Our results were consistent with the trophic-level based hypothesis that predators would move more than their prey. Herbivores in low productivity environments moved more than herbivores in more productive habitats. We also found that larger members of the same guild moved less than smaller members, supporting the 'gastro-centric' hypothesis. A better understanding of migration and movements of large mammals should aid in their conservation by helping delineate conservation area boundaries and determine priority corridors for protection to preserve connectivity. The magnitude of the migrations and movements we documented should also provide guidance on the scale of conservation efforts required and assist conservation planning across agency and even national boundaries.

Item Type:Articles
Additional Information:Funding for KJ, MSS and MDC was provided by the National Park Service. Various Alaska collaring projects were funded the National Park Service, Alaska Department of Fish and Game, US Fish and Wildlife Service and Bureau of Land Management. Funding for MH and EG was provided by NASA’s Arctic Boreal Vulnerability Experiment (Grant # NNX15AW71A), and NSF LTREB to MH (1556248). PK was supported by the Austrian Science Foundation (FWF projects P14992 and P18634) and by the Great Gobi B Strictly Protected Area staf and administration. JGCH was supported by European Union’s Horizon 2020 research and innovation program under grant agreement 641918 (AfricanBioServices). Funding for Serengeti wildebeest and zebra collaring supported by the Frankfurt Zoological Society, Lord Kelvin Adam Smith Fellowship and the British Ecological Society
Glasgow Author(s) Enlighten ID:Hopcraft, Dr Grant
Authors: Joly, K., Gurarie, E., Sorum, M. S., Kaczensky, P., Cameron, M. D., Jakes, A. F., Borg, B. L., Nandintsetseg, D., Hopcraft, J. G. C., Buuveibaatar, B., Jones, P. F., Mueller, T., Walzer, C., Olson, K. A., Payne, J. C., Yadamsuren, A., and Hebblewhite, M.
College/School:College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine
Journal Name:Scientific Reports
Publisher:Nature Research
ISSN (Online):2045-2322
Copyright Holders:Copyright © 2019 The Authors
First Published:First published in Scientific Reports 9: 15333
Publisher Policy:Reproduced under a Creative Commons License
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
171925AfricanBioServicesDaniel HaydonEuropean Commission (EC)641918Institute of Biodiversity, Animal Health and Comparative Medicine