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Ocean Science An interactive open-access journal of the European Geosciences Union

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Ocean Sci., 13, 337-347, 2017
https://doi.org/10.5194/os-13-337-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
25 Apr 2017
Seabirds as samplers of the marine environment – a case study of northern gannets Stefan Garthe et al.
Publications Copernicus
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Short summary
We investigated how the largest seabird of the North Atlantic, the northern gannet, uses the southern North Sea as its habitat to search for food. We deployed small GPS trackers on the birds that recorded the birds' movements in detail. Birds were away from the breeding colony mostly for 1–15 h and up to 80 km distance to find prey for their chicks and themselves. To obtain food, they dove frequently to depths of 1–3 m, with a maximum of 11 m.
We investigated how the largest seabird of the North Atlantic, the northern gannet, uses the...
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