Leine valley near Salzderhelden

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
Whooper Swan Cygnus cygnus LC winter 1990-1999 40 individuals C2
Bean Goose Anser fabalis LC winter 1990-1999 2,000 individuals B1i, C3
Smew Mergellus albellus LC passage 1996 250 individuals B1i, C2
Northern Shoveler Spatula clypeata LC winter 1990-1999 400 individuals B1i, C3
Gadwall Mareca strepera LC winter 1990-1999 350 individuals B1i, C3
Corncrake Crex crex LC breeding 1990-1999 50 breeding pairs A1, A4i, B1i, C1, C2, C6
Spotted Crake Porzana porzana LC breeding 1990-1999 18 breeding pairs A4i, B1i
Common Crane Grus grus LC passage 1990-1999 1,280 individuals B1i, C2, C6
Ruff Calidris pugnax LC passage 1990-1999 500 individuals C6
Wood Sandpiper Tringa glareola LC passage 1996 500 individuals C6
Black Tern Chlidonias niger LC winter 1990-1999 360 individuals C2, C6
A4iii Species group - waterbirds n/a winter 1990-1999 min 20,000 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)
Wasservogelreservat Northeimer Seenplatte Naturschutzgebiet 112 protected area overlaps with site 80
Polder I im Hochwasserrückhaltebecken Salzderhelden Naturschutzgebiet 516 protected area contained by site 523
Leinetal bei Salzderhelden Special Protection Area (Birds Directive) 1,129 protected area contained by site 1,007
Leineniederung Salzderhelden Naturschutzgebiet 498 protected area overlaps with site 0


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland -
Grassland Humid grasslands, Mesophile grasslands -
Wetlands (inland) Standing freshwater -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -
other -
urban/industrial/transport -
tourism/recreation -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Leine valley near Salzderhelden. Downloaded from on 30/11/2023.