What we see is not what there is: estimating North Atlantic right whale Eubalaena glacialis local abundance

Aerial surveys can be used to estimate animal abundance, but animals unavailable for detection for portions of the survey can cause biased abundance estimates. Moreover, these biases may be variable owing to changes in behavior. We conducted focal follows to obtain surface and dive times of North At...

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Bibliographic Details
Main Authors: Ganley, LC, Brault, S, Mayo, CA
Format: Article
Language:English
Published: Inter-Research 2019-02-01
Series:Endangered Species Research
Online Access:https://www.int-res.com/abstracts/esr/v38/p101-113/