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Using model-based distance sampling to estimate decadal population change in Northern Gannets (Morus bassanus) across periods spanned by different at-sea survey methods

T.j. Clark-Wolf, Auteur ; David L. Miller, Auteur ; Hannah Drake, Auteur ; David A. Fifield, Auteur ; Jean-Francois Rail, Auteur ; Ewan D. Wakefield, Auteur ; Sabina I. Wilhelm, Auteur ; Sarah N.P. Wong, Auteur ; Carina Gjerdrum, Auteur

Dans Ibis (167(3) July, 2025)

Seabirds are important sentinels of climate and ecosystem change, but many breeding populations are difficult to monitor because of the remoteness and inaccessibility of their colonies, and the sometimes cryptic nature of their nests and burrows[...]

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Migratory pathways and winter destinations of Northern Gannets breeding at Helgoland (North Sea): known patterns and increasing importance of the Baltic Sea

Stefan Garthe, Auteur ; Verena Peschko, Auteur ; David A. Fifield, Auteur ; Kai Borkenhagen, Auteur ; Timme Nyegaard, Auteur ; Jochen Dierschke, Auteur

Dans Journal of Ornithology (165(4) October, 2024)

We analysed the migratory behaviour of adult Northern Gannets (Morus bassanus) breeding at Helgoland in the North Sea, based on data obtained from geolocation devices in the non-breeding season 2016–2017. Birds moved east and south-west to a bro[...]

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Maps, models, and marine vulnerability: Assessing the community distribution of seabirds at-sea

David J. Lieske, Auteur ; David A. Fifield, Auteur ; Carina Gjerdrum, Auteur

Dans Biological Conservation (172 APR 2014)

Whether considering the cumulative impact of chronic, small-size oil discharges or accidents associated with marine traffic and offshore oil and gas development, seabirds face a variety of threats in the marine environment. Assessing the vulnera[...]

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