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

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') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Whooper Swan Cygnus cygnus	LC	winter	1993	11 individuals	C6
Common Crane Grus grus	LC	passage	1996	250 individuals	C6
Black Stork Ciconia nigra	LC	passage	1993	2 individuals	C6
White Stork Ciconia ciconia	LC	passage	1998	2 individuals	C6
Eurasian Bittern Botaurus stellaris	LC	passage	1996	1-3 individuals	C6
Little Egret Egretta garzetta	LC	passage	1996	1 individuals	C6
Ruff Calidris pugnax	LC	passage	1993	96 individuals	C6
Wood Sandpiper Tringa glareola	LC	passage	1993	33 individuals	C6
Black Tern Chlidonias niger	LC	passage	1998	65 individuals	C6
Common Tern Sterna hirundo	LC	passage	1995	1 individuals	C6
Eurasian Eagle-owl Bubo bubo	LC	non-breeding	1993	1 individuals	C6
Osprey Pandion haliaetus	LC	passage	1993	6 individuals	C6
European Honey-buzzard Pernis apivorus	LC	passage	1993	30 individuals	C6
Western Marsh-harrier Circus aeruginosus	LC	resident	1994	5 breeding pairs	C6
Montagu's Harrier Circus pygargus	LC	passage	1994	1 individuals	C6
Red Kite Milvus milvus	LC	non-breeding	1993	4 individuals	C6
Peregrine Falcon Falco peregrinus	LC	winter	1998	1 individuals	C6
Collared Sand Martin Riparia riparia	LC	breeding	1992	8,548 breeding pairs	B2

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2002) may differ.

Year	Protected Area	Designation	% overlap with IBA
1970	Ems, Furlbach	Landscape Protection Area	21
1974	Guetersloh	Landscape Protection Area	21
1982	NSG Steinhorster Becken	Naturschutzgebiet	5
1984	Stein	Naturschutzgebiet	-
1986	NSG Rietberger Emsniederung	Naturschutzgebiet	27
1986	NSG Rietberger Emsniederung	Naturschutzgebiet	1
1986	Rietberger Emsniederung	Nature Reserve	26
1990	NSG Rietberger Fischteiche	Naturschutzgebiet	3
1999	VSG 'Rietberger Emsniederung mit Steinhorster Becken'	Special Protection Area (Birds Directive)	54
2005	Rietberger Emsniederung	Nature Reserve	1

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial	Highly improved re-seeded landscapes, Arable land	65
Grassland	Humid grasslands	20
Wetlands (inland)	Standing freshwater, Rivers and streams, Water fringe vegetation	9
Forest		6

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	-
other	-
water management	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Emsaue (Rietberger Emsniederung - Steinhorster Becken) (Germany). Downloaded from https://datazone.birdlife.org/site/factsheet/emsaue-(rietberger-emsniederung--steinhorster-becken)-iba-germany on 23/11/2024.