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Techniques for shipboard surveys of marine birds

Author(s): Gould, Patrick J. - Forsell, Douglas J.
Publication Date: 1989.
Publisher(s): U.S. Dept. of the Interior, Fish and Wildlife Service
Contributor(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Category: Others
Subject(s): Sea birds--Counting. , Bird populations--Estimates.
Keywords: Sea birds Counting. Bird populations Estimates.

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