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MigrationThe Biology of Life on the Move$
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Hugh Dingle

Print publication date: 2014

Print ISBN-13: 9780199640386

Published to Oxford Scholarship Online: October 2014

DOI: 10.1093/acprof:oso/9780199640386.001.0001

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Migration to special habitats

Migration to special habitats

(p.183) Chapter 10 Migration to special habitats

Hugh Dingle

Oxford University Press

Many migrations match life histories to special habitat requirements. One such requirement is that of refuges. Waterfowl are particularly vulnerable during molt, and many migrate to sites offering protection at this time. Other species require specific breeding sites. Included among these are amphibians that must return to water to breed and terrestrial crustaceans that must return to the sea to deposit their eggs. Sea turtles and oceanic birds return to localized beaches and islands for their breeding, requiring the ability to locate what are dots on the face of the earth. There is an extensive discussion of diadromy. This mostly occurs in fishes, many of which are important commercial species, but it is also present in snails and crabs. Diadromy includes many of the most interesting cases of both ancient and contemporary evolutionary pathways to specialized life histories.

Keywords:   refuges, molt, amphibians, crustaceans, diadromy, sea turtles, seabirds, breeding requirements

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