Ontogeny of long distance migration

Scott, R, Marsh, R and Hays, Graeme 2014, Ontogeny of long distance migration, Ecology, vol. 95, no. 10, pp. 2840-2850.

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Title Ontogeny of long distance migration
Author(s) Scott, R
Marsh, R
Hays, GraemeORCID iD for Hays, Graeme orcid.org/0000-0002-3314-8189
Journal name Ecology
Volume number 95
Issue number 10
Start page 2840
End page 2850
Total pages 11
Publisher Ecological Society of America
Place of publication Washington DC
Publication date 2014-10-01
ISSN 0012-9658
Keyword(s) Animal movement
ARIANE particle tracking software
Habitat selection
NEMO ocean model
Ocean currents
Particle tracking
Surface drifter buoys
Science & Technology
Life Sciences & Biomedicine
Environmental Sciences & Ecology
Summary The movements of some long-distance migrants are driven by innate compass headings that they follow on their first migrations (e.g., some birds and insects), while the movements of other first-time migrants are learned by following more experienced conspecifics (e.g., baleen whales). However, the overall roles of innate, learned, and social behaviors in driving migration goals in many taxa are poorly understood. To look for evidence of whether migration routes are innate or learned for sea turtles, here for 42 sites around the world we compare the migration routes of >400 satellite-tracked adults of multiple species of sea turtle with ∼45 000 Lagrangian hatchling turtle drift scenarios. In so doing, we show that the migration routes of adult turtles are strongly related to hatchling drift patterns, implying that adult migration goals are learned through their past experiences dispersing with ocean currents. The diverse migration destinations of adults consistently reflected the diversity in sites they would have encountered as drifting hatchlings. Our findings reveal how a simple mechanism, juvenile passive drift, can explain the ontogeny of some of the longest migrations in the animal kingdom and ensure that adults find suitable foraging sites.
Language eng
Field of Research 060299 Ecology not elsewhere classified
0501 Ecological Applications
0602 Ecology
Socio Economic Objective 960808 Marine Flora
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Ecological Society of America
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070281

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