La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	The Great Cormorant (Phalacrocorax carbo) winter roosts 2003-2004 census in Wallonia and Brussels area.
Auteurs :	Jean-Yves Paquet, Auteur
Type de document :	Article
Dans :	Aves (41(1-2) 2004)
Article en page(s) :	62-64
Résumé :	The monthly counts of Great Cormorant night roosts in Wallonia (Southern Belgium) and Brussels area show a decrease of mid-winter numbers in 2003-2004 comparing to 2002-2003 (4760 ex., - 10,6 %). Numbers in November are increasing, but still lower than mid-winter numbers. New roosts have been discovered in 2003-2004, but these newly created roosts correspond apparently to a redistribution of the local wintering population rather than a further expanse of wintering area. Compared to colder winter, Cormorants. have been using less the Sambre river (a canalised river in an industrial area) and using more the roosts located at ponds or lakes.

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