作者: M Polakowski , P Wylegala , B Smyk , A Wuczynski , T Janiszewski
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摘要: Distribution, characteristics and conservation status of geese roosts in Poland. Abstract: In total,106 were recordedin Polandin 2000–2011. Each place gatheredminimum 1 000 birds, mainly the Bean Goose Anser fabalis andGreater White-frontedGoose A. albifrons. The majority (83%) was placedin western part country, Wielkopolska (35), Silesia (24) andPomerania (22). Most them gatheredup to 10 (56%). These gathering 000–30 inds less numerous (37%). There only eight where number regularly exceeded 30 birds. two largest Kiszkowo ponds near Poznan (up 85 inds) andWarta Mouth National Park 120 ind s). situatedon backwaters pools river valleys (31%), on lakes (26%) andfishponds (22%). functionedin spring. Those usedduring autumn migration andin winter numerous. usually located close appropriate resting places feeding grounds areas with milder climate conditions. 65% is protectedas a Special BirdProtection Areas Natura 2000. Occurrence