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Article

Detectability of penguins in aerial surveys over the pack-ice off Antarctica

Colin Southwell, Auteur ; Charles G. M. Paxton, Auteur ; David L. Borchers, Auteur

Dans Wildlife Research (35(4) 2008)

Knowledge of penguin abundance at regional and circumpolar scales across the Southern Ocean is important for the development of ecosystem models and to estimate prey consumption by penguins to assess potential competition with fisheries' operati[...]

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Article

The influence of animal mobility on the assumption of uniform distances in aerial line-transect surveys

Rachel M. Fewster, Auteur ; Colin Southwell, Auteur ; David L. Borchers, Auteur ; Stephen T. Buckland, Auteur ; Anthony R. Pople, Auteur

Dans Wildlife Research (35(4) 2008)

Line-transect distance sampling is a widely used method for estimating animal density from aerial surveys. Analysis of line-transect distance data usually relies on a requirement that the statistical distribution of distances of animal groups fr[...]

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