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Article
Jean-Yves Paquet, Auteur ; Jean-Paul Jacob, Auteur ; Thierry Kinet, Auteur ; Christian Vansteenwegen, AuteurSince 1990, common breeding bird populations in Wallonia (Southern Belgium) are surveyed annually by point count sampling. This scheme monitors evolution of an annual population index for about 80 species and reveals declines or increases of pop[...]
Article
Jean-Paul Jacob, Auteur ; Pierre Loly, Auteur ; Thierry Kinet, AuteurDans Aves (41(1-2) 2004)Winter censuses of waterbirds from 1998-99 to 2003-2004 in Wallonia and in the Brussels area were conducted during rather mild winters, with limited cold spells occurring notably early in 2003 (when arrivals of Wigeons, Mallards, Goosanders. Cor[...]
