{"refrec":{"BRefID":220896,"RR":"<b>Spanhove, T.</b> (2002). Aantalsverloop en terreinkeuze van de Grauwe Ganzen in de Oostkustpolders. <i>Vogelnieuws 43</i>: 25-26","BEntID":212626,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":". <i>Vogelnieuws 43</i>: 25-26","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Spanhove, T.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Spanhove, T.","Englishabstract":null,"AbstractOtherLang":"In 1956 werden in het Zwin zes Grauwe Ganzen (<i>Anser anser</i>) van de oostelijke ondersoort (<i>A. a. rubrirostris</i>) uitgezet. De nakomelingen van deze ganzen hebben zich – samen met een aantal vogels van de westelijke ondersoort (<i>A. a. anser</i>) –verspreid over een groot deel van de Oostkustpolders en Zeeuws Vlaanderen. Vooral de laatste tien jaar is het aantal Grauwe Ganzen sterk toegenomen. Dit geldt zowel voor de Oostkustpolders als voor de andere belangrijke broedgebieden in Vlaanderen (het Oost-Vlaams Krekengebied en de Maasvallei). 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