| one publication added to basket [31771] | Modification des conditions d'hivernage des oies sauvages dans les polders de Flandre occidentale, autour de la réserve du Zwin (Belgique), et de Flandre zélandaise (Pays-Bas)
Lippens, L. (1972). Modification des conditions d'hivernage des oies sauvages dans les polders de Flandre occidentale, autour de la réserve du Zwin (Belgique), et de Flandre zélandaise (Pays-Bas). Le Gerfaut 62(3-4): 195-202 In: De Giervalk: Belgisch ornitologisch tijdschrift = Le Gerfaut: Revue belge d'ornithologie. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Bruxelles. ISSN 0251-1193, more |  |
| Keywords | Fauna > Aquatic organisms > Aquatic animals > Aquatic birds
Anser albifrons (Scopoli, 1769) [WoRMS]; Anser anser (Linnaeus, 1758) [WoRMS]; Anser fabalis brachyrhynchus; Anser fabalis rossicus
ANE, Belgium [Marine Regions]; Belgium, Het Zwin natuurreservaat
Brackish water |
| Abstract | This wintering increased considerably, due to 3 new factors: (1) the cultivation of an important acreage of rape, (2) the new methods of harvesting sugar beets and potatoes, (3) the management of the water level in the Zwin, making this sanctuary and ideal sleeping-place for wild geese. Regular counts have been made during the winter 1971-1972, for following species: Anser anser (max. 760), A. fabalis rossicus (max. 560), A. fabalis brachyrhynchus (max. 92), A. albifrons (max. 210, but max. 600 when the geese of Damme have been disturbed). The present status of each of these 4 species of wild geese in and around Zwin is discussed. |
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