Rietzer See

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
Greylag Goose Anser anser LC passage 1990-1999 2,760 individuals B1i, C3
Bean Goose Anser fabalis LC passage 1990-1999 12,000 individuals A4i, B1i, C3
Greater White-fronted Goose Anser albifrons LC passage 1990-1999 6,000 individuals B1i, C3
Gadwall Mareca strepera LC passage 1990-1999 530 individuals B1i, C3
Common Crane Grus grus LC passage 1990-1999 1,200 individuals B1i, C2
Eurasian Bittern Botaurus stellaris LC breeding 1997 2 breeding pairs C2
Ruff Calidris pugnax LC passage 1997 400 individuals C6
Wood Sandpiper Tringa glareola LC passage 1997 480 individuals C6
Black Tern Chlidonias niger LC passage 1990-1999 200 individuals C2, C6
Common Tern Sterna hirundo LC passage 1997 100 individuals C6
Hen Harrier Circus cyaneus LC passage 1997 5-11 individuals C6
Bluethroat Cyanecula svecica LC breeding 1990-1999 20-25 breeding pairs C6
A4iii Species group - waterbirds n/a passage 1992-1998 23,670 individuals A4iii, C4

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

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Rietzer See Special Protection Area (Birds Directive) 1,127 is identical to site 1,015
Rietzer See Site of Community Importance (Habitats Directive) 1,128 is identical to site 1,019
Rietzer See Naturschutzgebiet 1,128 is identical to site 1,128
Lehniner Wald- und Seengebiet Landschaftschutzgebiet 2,537 protected area is adjacent to site 0


IUCN Habitat Habitat detail Extent (% of site)
Grassland Humid grasslands -
Wetlands (inland) Standing freshwater, Raised bogs, Water fringe vegetation, Fens, transition mires and springs -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
hunting -
nature conservation and research -
tourism/recreation -
water management -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Rietzer See. Downloaded from on 07/03/2021.