• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

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
Circus cyaneus	NR	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

Protection status:

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Rietzer See	Nature Reserve	1,128	protected area contained by site	1,128
Rietzer See	Special Protection Area (Birds Directive)	20,383	protected area overlaps with site	1,015
Rietzer See	Site of Community Importance (Habitats Directive)	1,128	protected area overlaps with site	1,019
Lehniner Wald- und Seengebiet	Landscape Protection Area	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	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 (2019) Important Bird Areas factsheet: Rietzer See. Downloaded from http://www.birdlife.org on 22/11/2019.