1 / 12

A. erythropus in Finland

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

berk-bird
Télécharger la présentation

A. erythropus in Finland

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. A. erythropus in Finland Spring observations near Pori in spring 1950-1970

  2. WATCHERS 1950-1970

  3. Individuals on the wing 1950-1970

  4. Grazing A. erythropus 1950-1970

  5. Oulu ca. 1925 Spring 10 000 Autumn: Probably more! Like A. fabalis A. erythropus autumn migrated partillay over the inland

  6. Oulu 1985 -2005 Spring 100 --> 10 Autumn: 0! Outside Oulu region there are no observations at all

  7. Finland 1985-2005 100 --> 10 in 20 years. Annual decrease 13 %

  8. Protection measures • Research / Action Plans (+) • Hunting restrictions (-) • Publicity (+-) • Restocking/reintroduction (+?) Another Anser

  9. A Step Father

  10. Finny 2004

  11. UL Aktion Zwerggans. Test 2006-2007

  12. Hanhet Thank You for Your Attention

More Related