Current view: Data table and detailed info
The site was identified as internationally important for bird conservation in 2000 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 |
| Common Eider Somateria mollissima |
NT |
breeding (1996) |
36,500–36,700 pairs |
A4i, B1i, C3 |
| Common Eider Somateria mollissima |
NT |
non-breeding (1996) |
20,000–40,000 birds |
A4i, B1i, C3 |
| Velvet Scoter Melanitta fusca |
VU |
breeding (1996) |
3,850–4,190 pairs |
A4i, B1i, C3 |
| Goosander Mergus merganser |
LC |
breeding (1996) |
640–660 pairs |
A4i, B1i, C3 |
| Red-breasted Merganser Mergus serrator |
LC |
breeding (1996) |
590–615 pairs |
B1i, C3 |
| Ruddy Turnstone Arenaria interpres |
NT |
breeding (1996) |
790–840 pairs |
A4i, B1i, C3 |
| Common Redshank Tringa totanus |
LC |
breeding (1996) |
355–370 pairs |
B2 |
| Mew Gull Larus canus |
LC |
breeding (1996) |
4,500–5,000 pairs |
B2 |
| Lesser Black-backed Gull Larus fuscus |
LC |
breeding (1996) |
950–1,300 pairs |
B1i, B3, C3 |
| Great Black-backed Gull Larus marinus |
LC |
breeding (1996) |
460–480 pairs |
B3 |
| Caspian Tern Hydroprogne caspia |
LC |
breeding (1996) |
100–250 pairs |
A4i, B1i, B2, C2, C6 |
| Arctic Tern Sterna paradisaea |
LC |
breeding (1996) |
2,490 pairs |
C2 |
| Arctic Jaeger Stercorarius parasiticus |
LC |
breeding (1996) |
175–200 pairs |
B1ii, C3 |
| Black Guillemot Cepphus grylle |
LC |
breeding (1996) |
4,000–4,400 pairs |
A4ii, B1ii, B2 |
| Razorbill Alca torda |
LC |
breeding (1996) |
1,400–2,000 pairs |
B1ii, B3, C3 |
| Common Murre Uria aalge |
LC |
breeding (1996) |
200–400 pairs |
B1ii, C3 |
| A4iii Species group - waterbirds |
n/a |
breeding (1996) |
20,000-49,999 pairs |
A4iii, C4 |
| Year |
Protected Area |
Designation (management category) |
% coverage of IBA |
| - |
Outer Stockholm archipelago |
Baltic Sea Protected Area (Helcom) (UA) |
18 |
| - |
Outer Stockholm archipelago |
Baltic Sea Protected Area (Helcom) (UA) |
9 |
| - |
Outer Stockholm archipelago |
Bird Sanctuary (-) |
-
|
| 1900 |
Biskopsö
|
Naturreservat (V) |
3 |
| 1900 |
Svenska Björn
|
Naturreservat (Ib) |
2 |
| 1900 |
Långviksskär
|
Naturreservat (V) |
1 |
| 1900 |
Svenska Högarna
|
Naturreservat (Ib) |
2 |
| 1900 |
Storö-Bockö-Lökaö
|
Naturreservat (V) |
2 |
| 1900 |
Huvudskär
|
Naturreservat (Ia) |
1 |
| 1900 |
Långskär
|
Naturreservat (IV) |
1 |
| 1900 |
Utö
|
Naturreservat (V) |
<1 |
| 1900 |
Vidingsöra
|
Naturreservat (IV) |
<1 |
| 1900 |
Norrpada
|
Naturreservat (Ia) |
<1 |
| 1982 |
Grän
|
Wildlife and Plant Sanctuary (-) |
<1 |
| 1983 |
Stora Nassa
|
Wildlife and Plant Sanctuary (-) |
<1 |
| 1983 |
Ängsö/Marskär
|
Wildlife and Plant Sanctuary (-) |
<1 |
| 2008 |
Bullerö
|
Naturreservat (V) |
3 |
| 2008 |
Fjärdlång
|
Naturreservat (V) |
1 |
| 2008 |
Nåttarö
|
Naturreservat (V) |
<1 |
| 2012 |
Villinge Boskapsö
|
Naturreservat (V) |
<1 |
| 2013 |
Stora Nassa
|
Naturreservat (Ib) |
2 |
| 2015 |
Ålandsskär
|
Naturreservat (Ia) |
<1 |
| 2016 |
Sundby
|
Naturreservat (V) |
<1 |
| Habitat |
% of IBA |
Habitat detail |
| Marine Neritic |
90 |
|
| Forest |
5 |
Broadleaved deciduous woodland |
| Grassland |
5 |
Dry siliceous grassland |
| Marine Coastal/Supratidal |
- |
|
| Land use |
% of IBA |
| hunting |
50 |
| tourism/recreation |
50 |
| nature conservation and research |
10 |
| military |
5 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Archipelago of Stockholm (Sweden). Downloaded from
https://datazone.birdlife.org/site/factsheet/archipelago-of-stockholm-iba-sweden on 23/12/2024.
