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Aerial surveys of Harbour Seals in the Wadden Sea in 2010

Strong increase in pups, slight increase in total number

In 2010 the coordinated aerial surveys for the harbour seal counts of the Wadden Sea were performed as usual. The counts are synchronised between the three Wadden Sea countries: Denmark, Germany and the Netherlands in order to obtain a single estimate for the size of the entire Wadden Sea population, and the number of pups born. As seals are counted when hauling out on sandbanks, counts are carried out when low-tide occurs during midday.

 

Authors:

Trilateral Seal Expert Group (TSEG):
Sophie Brasseur and Peter Reijnders, IMARES, Texel, The Netherlands
Thomas Borchardt, LKN Schleswig-Holstein, Nationalparkverwaltung, Germany
Ursula Siebert, FTZ-Büsum der Universität Kiel, Schleswig-Holstein, Germany
Sven Ramdohr, LAVES Cuxhaven, Niedersachsen, Germany
Richard Czeck, Nationalparkverwaltung Niedersächsisches Wattenmeer, Niedersachsen, Germany
Peter Körber, BSU, Nationalpark Hamburgisches Wattenmeer, Hamburg, Germany
Lasse Fast Jensen, Fiskeri- og Søfartmuseet, Esbjerg, Denmark
Jonas Teilmann, National Environmental Research Institute, Aarhus University, Denmark

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