Harbour Seal Numbers in the Wadden Sea and on Helgoland in 2003

Trilateral Seal Expert Group (TSEG)

Part of the Seal Agreement respectively the trilateral Seal Management Plan is the monitoring of the harbour seal population in the Danish, German (Schleswig-Holstein and Lower Saxony), and Dutch Wadden Sea by an annual series of aerial surveys. This year, the surveys had an extra dimension because of the occurrence of a seal epizootic in 2002.

Authors:

Trilateral Seal Expert Group (TSEG)
Peter J.H. Reijnders, Alterra-Marine & Coastal Zone Research, Texel, NL
Sophie M.J.M. Brasseur, Alterra-Marine & Coastal Zone Research, Texel, NL
Kai F. Abt, Consultant
Ursula Siebert, FTZ-Büsum Universität Kiel, Schleswig-Holstein, Germany
Michael Stede, LAVES Cuxhaven, Niedersachsen, Germany
Svend Tougaard, Fiskeri- og Søfartmuseet, Esbjerg, Denmark