130 likes | 216 Views
A. erythropus in Finland. Spring observations near Pori in spring 1950-1970. WATCHERS 1950-1970. Individuals on the wing 1950-1970. Grazing A. erythropus 1950-1970. Oulu ca. 1925. Spring 10 000 Autumn: Probably more!. Like A. fabalis A. erythropus autumn
E N D
A. erythropus in Finland Spring observations near Pori in spring 1950-1970
Oulu ca. 1925 Spring 10 000 Autumn: Probably more! Like A. fabalis A. erythropus autumn migrated partillay over the inland
Oulu 1985 -2005 Spring 100 --> 10 Autumn: 0! Outside Oulu region there are no observations at all
Finland 1985-2005 100 --> 10 in 20 years. Annual decrease 13 %
Protection measures • Research / Action Plans (+) • Hunting restrictions (-) • Publicity (+-) • Restocking/reintroduction (+?) Another Anser
UL Aktion Zwerggans. Test 2006-2007
Hanhet Thank You for Your Attention