Data Zone
The site was identified as internationally important for bird conservation 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 List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Barnacle Goose Branta leucopsis | LC | winter (1990–2000) | 4,000 birds | A4i, B1i, B2, C2 |
| Grey Plover Pluvialis squatarola | VU | winter (1990–2000) | 1,800 birds | A4i, B1i, C3 |
| Eurasian Curlew Numenius arquata | NT | winter (1990–2000) | 3,500 birds | A4i, B1i, B2, C3 |
| Bar-tailed Godwit Limosa lapponica | NT | winter (1990–2000) | 2,200 birds | A4i, B1i, B2, C2 |
| Red Knot Calidris canutus | NT | winter (1990–2000) | 5,500 birds | B1i, C3 |
| A4iii Species group - waterbirds | n/a | winter (1990–2000) | min 20,000 birds | A4iii, C4 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1986 | Niedersächsisches Wattenmeer | Nationalpark (II) | 82 |
| 1992 | Waddensea of Lower Saxony | UNESCO-MAB Biosphere Reserve (UA) | 94 |
| 2006 | Niedersächsisches Wattenmeer | Marine Protected Area (OSPAR) (UA) | 63 |
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 23/12/2024.