Data Zone
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 |
|---|---|---|---|---|---|
| Barnacle Goose Branta leucopsis | LC | winter | 1990-2000 | 4,000 individuals | A4i, B1i, B2, C2 |
| Grey Plover Pluvialis squatarola | VU | winter | 1990-2000 | 1,800 individuals | A4i, B1i, C3 |
| Eurasian Curlew Numenius arquata | NT | winter | 1990-2000 | 3,500 individuals | A4i, B1i, B2, C3 |
| Bar-tailed Godwit Limosa lapponica | NT | winter | 1990-2000 | 2,200 individuals | A4i, B1i, B2, C2 |
| Red Knot Calidris canutus | NT | winter | 1990-2000 | 5,500 individuals | B1i, C3 |
| A4iii Species group - waterbirds | n/a | winter | 1990-2000 | min 20,000 individuals | A4iii, C4 |
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 |
|---|---|---|---|
| 1976 | Wattenmeer, Ostfriesisches Wattenmeer & Dollart | Ramsar Site, Wetland of International Importance | 74 |
| 1986 | Niedersächsisches Wattenmeer | Nationalpark | 82 |
| 1992 | Waddensea of Lower Saxony | UNESCO-MAB Biosphere Reserve | 94 |
| 1997 | Nationalpark Niedersächsisches Wattenmeer | Site of Community Importance (Habitats Directive) | 75 |
| 1997 | Unterems und Außenems | Site of Community Importance (Habitats Directive) | 25 |
| 2000 | Niedersächsisches Wattenmeer und angrenzendes Küstenmeer | Special Protection Area (Birds Directive) | 75 |
| 2006 | Niedersächsisches Wattenmeer | Marine Protected Area (OSPAR) | 63 |
| 2009 | The Wadden Sea | World Heritage Site (natural or mixed) | 82 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Rysumer Nacken (Germany). Downloaded from
https://datazone.birdlife.org/site/factsheet/rysumer-nacken-iba-germany on 23/11/2024.