Visual line-transect surveys reveal that Beaufort conditions significantly impact cetacean density estimates, suggesting the need for adjustments.
Ship-based, visual line-transect surveys are commonly used to estimate the density and abundance of cetaceans at sea. On such surveys, the Beaufort scale (a measure of relative wind speed as judged by eye) is frequently used as a measure of survey conditions.
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Barlow et al. (2026) studied this question.
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