Oker valley near Vienenburg

IBA Criteria

Year of most recent IBA criteria assessment: 2002

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Black Stork Ciconia nigra LC passage 1990-2000 26 individuals C6
White Stork Ciconia ciconia LC passage 1990-2000 16 individuals C6
Eurasian Eagle-owl Bubo bubo LC breeding 1990-2000 1 breeding pairs C6
Osprey Pandion haliaetus LC winter 1990-2000 6 individuals C6
European Honey-buzzard Pernis apivorus LC winter 1990-2000 23 individuals C6
Common Kingfisher Alcedo atthis LC breeding 1990-2000 10 breeding pairs C6

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Vienenburger Kiesteiche Naturschutzgebiet 26 protected area contained by site 28
Okertal südlich Vienenburg Naturschutzgebiet 205 protected area overlaps with site 198
Okertal bei Vienenburg Special Protection Area (Birds Directive) 470 protected area overlaps with site 364
Okertal Naturschutzgebiet 65 protected area overlaps with site 192
Harly; Ecker und Okertal nördlich Vienenburg Site of Community Importance (Habitats Directive) 682 protected area overlaps with site 146
Harli Landschaftschutzgebiet 508 protected area is adjacent to site 0
Ecker- und Okertal Site of Community Importance (Habitats Directive) 267 protected area overlaps with site 0

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Oker valley near Vienenburg. Downloaded from on 25/03/2023.