Ismaninger Speichersee and fish ponds

IBA Justification

The site was identified as important in 2002 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Red-crested Pochard Netta rufina LC non-breeding 1990-2000 9,446 individuals A4i, B1i, C3
Common Pochard Aythya ferina VU non-breeding 1990-2000 5,690 individuals B1i, C3
Ferruginous Duck Aythya nyroca NT non-breeding 1990-2000 16 individuals C6
Tufted Duck Aythya fuligula LC non-breeding 1990-2000 14,768 individuals B1i, C3
Northern Shoveler Spatula clypeata LC non-breeding 1990-2000 687 individuals B1i, C3
Gadwall Mareca strepera LC non-breeding 1990-2000 13,926 individuals A4i, B1i, C3
Eurasian Bittern Botaurus stellaris LC winter 1990-2000 3 individuals C6
Little Egret Egretta garzetta LC winter 1990-2000 3 individuals C6
Black Tern Chlidonias niger LC passage 1990-2000 200 individuals C6
A4iii Species group - waterbirds n/a non-breeding 1990-2000 44,533 individuals A4iii, C4

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2002).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
NSG südlich der Ismaninger Fischteiche Site of Community Importance (Habitats Directive) 23 protected area overlaps with site 10
Ismaninger Speichersee und Fischteiche Special Protection Area (Birds Directive) 1,010 protected area contains site 909
Ismaninger Speichersee & Fischteichen Ramsar Site, Wetland of International Importance 955 protected area overlaps with site 955


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
water management -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Ismaninger Speichersee and fish ponds. Downloaded from on 06/12/2023.