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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
Whooper Swan Cygnus cygnus	LC	winter	1996-1997	150 individuals	C2
Tundra Swan Cygnus columbianus	LC	passage	1992	1,526 individuals	A4i, B1i, C2
Corncrake Crex crex	LC	breeding	1998	31 breeding pairs	A1, C1, C6
Spotted Crake Porzana porzana	LC	resident	1998	7 breeding pairs	C6
Common Crane Grus grus	LC	resident	1998	6 breeding pairs	C6
White Stork Ciconia ciconia	LC	breeding	1994	20 breeding pairs	C6
Eurasian Bittern Botaurus stellaris	LC	breeding	1996-1997	present	C2, C6
Eurasian Golden Plover Pluvialis apricaria	LC	passage	1998	6,000-12,000 individuals	A4i, B1i, C2, C6
Ruff Calidris pugnax	LC	breeding	1996-1997	present	C6
Black Tern Chlidonias niger	LC	breeding	1996-1997	4 breeding pairs	C6
Short-eared Owl Asio flammeus	LC	breeding	1996-1997	present	C6
Western Marsh-harrier Circus aeruginosus	LC	breeding	1996-1997	present	C6
Montagu's Harrier Circus pygargus	LC	breeding	1996-1997	12 breeding pairs	C6
Hen Harrier Circus cyaneus	LC	non-breeding	1996-1997	1 individuals	C6
Bluethroat Luscinia svecica	LC	breeding	1996-1997	present	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

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Wildes Moor bei Stinstedt	Naturschutzgebiet	56	protected area overlaps with site	631
Wildes Moor bei Schwabstedt	Naturschutzgebiet	627	protected area contained by site	631
Wälder der Ostenfelder Geest	Site of Community Importance (Habitats Directive)	733	protected area overlaps with site	557
Wälder bei Bergenhusen	Site of Community Importance (Habitats Directive)	145	protected area contained by site	145
Wald bei Hollingstedt	Site of Community Importance (Habitats Directive)	30	protected area contained by site	30
Wald bei Hollingstedt	Landschaftschutzgebiet	31	protected area contained by site	30
Untereider	Site of Community Importance (Habitats Directive)	3,606	protected area overlaps with site	287
Treene Winderatter See bis Friedrichstadt und Bollingstedter Au	Site of Community Importance (Habitats Directive)	2,906	protected area overlaps with site	1,344
Tetenhusener Moor	Naturschutzgebiet	211	protected area contained by site	205
Südermoor bei Schwienhusen	Landschaftschutzgebiet	89	protected area contained by site	78
Schleife	Naturschutzgebiet	52	protected area overlaps with site	660
S-H Wadden sea National Park	Marine Protected Area (OSPAR)	441,000	protected area is adjacent to site	0
Ramsar-Gebiet S-H Wattenmeer und angrenzende Küstengebiete	Special Protection Area (Birds Directive)	463,907	protected area is adjacent to site	0
Moore der Eider-Treene-Sorge-Niederung	Site of Community Importance (Habitats Directive)	3,499	protected area overlaps with site	3,198
Lundener Niederung westlich des Umleitungsvorfluters	Landschaftschutzgebiet	71	protected area contained by site	0
Lundener Niederung mit Mötjensee und Steller See	Landschaftschutzgebiet	156	protected area contained by site	1,041
Lundener Niederung	Site of Community Importance (Habitats Directive)	902	protected area contained by site	902
Lundener Niederung	Naturschutzgebiet	900	protected area contained by site	0
Kleiner Geestrücken südlich Dörpling	Site of Community Importance (Habitats Directive)	42	protected area contained by site	42
Kiesgrube bei Altenkamp	Landschaftschutzgebiet	2	protected area contained by site	2
Hohner See	Naturschutzgebiet	366	protected area contained by site	364
Hennstedter Moor	Landschaftschutzgebiet	294	protected area contained by site	300
Großes Moor/Kätner Moor	Landschaftschutzgebiet	161	protected area contained by site	156
Gräben der nördlichen Alten Sorge	Site of Community Importance (Habitats Directive)	769	protected area contained by site	769
Eider-Treene-Sorge-Niederung	Special Protection Area (Birds Directive)	15,014	protected area contained by site	15,014
Eider-Sorge Niederung	Landschaftschutzgebiet	4,218	protected area contained by site	4,220
Delver Koog	Naturschutzgebiet	190	protected area contained by site	191
Dellstedter Birkwildmoor	Naturschutzgebiet	618	protected area contained by site	620
Alte Sorge-Schleife	Naturschutzgebiet	758	protected area contained by site	660

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Broadleaved deciduous woodland	-
Grassland	Humid grasslands, Mesophile grasslands	-
Wetlands (inland)	Rivers and streams, Raised bogs, Water fringe vegetation	-
Artificial/Terrestrial	Highly improved re-seeded landscapes, Arable land	-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
agriculture	-
nature conservation and research	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Lowlands of the Rivers Eider, Treene and Sorge. Downloaded from http://www.birdlife.org on 24/03/2023.