NL001
Wadden Sea This is an IBA in danger! 


IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Brent Goose Branta bernicla LC non-breeding 1985-1990 56,080 individuals A4i, B1i, C3
Barnacle Goose Branta leucopsis LC winter 1987-1991 28,491 individuals A4i, B1i, C2
Common Eider Somateria mollissima NT non-breeding 1991-1994 79,545 individuals A4i, B1i, C3
Common Shelduck Tadorna tadorna LC non-breeding 1984-1990 45,236 individuals A4i, B1i, C3
Greater Scaup Aythya marila LC winter 1987-1990 21,319 individuals A4i, B1i, C3
Northern Shoveler Spatula clypeata LC non-breeding 1987-1991 1,249 individuals B1i, C3
Eurasian Wigeon Mareca penelope LC winter 1984-1991 61,350 individuals A4i, B1i, C3
Northern Pintail Anas acuta LC non-breeding 1984-1991 5,384 individuals B1i, C3
Common Teal Anas crecca LC non-breeding 1987-1991 4,153 individuals B1i, C3
Great Cormorant Phalacrocorax carbo LC non-breeding 1983-1991 2,811 individuals B1i, C3
Haematopus ostralegus NR non-breeding 1984-1990 255,916 individuals A4i, B1i, C3
Pied Avocet Recurvirostra avosetta LC non-breeding 1987-1991 15,557 individuals A4i, B1i, C2
Grey Plover Pluvialis squatarola LC non-breeding 1983-1990 29,265 individuals A4i, B1i, C3
Eurasian Curlew Numenius arquata NT non-breeding 1984-1990 92,462 individuals A4i, B1i, C3
Eurasian Curlew Numenius arquata NT winter 1987-1991 57,693 individuals A4i, B1i, C3
Bar-tailed Godwit Limosa lapponica NT winter 1984-1991 17,045 individuals A4i, B1i, C2
Bar-tailed Godwit Limosa lapponica NT passage 1985-1991 84,388 individuals A4i, B1i, C2
Ruddy Turnstone Arenaria interpres LC winter 1983-1990 2,341 individuals A4i, B1i, C3
Red Knot Calidris canutus NT passage 1984-1991 46,732 individuals A4i, B1i, C3
Red Knot Calidris canutus NT winter 1987-1991 41,117 individuals A4i, B1i, C3
Dunlin Calidris alpina LC non-breeding 1983-1990 182,674 individuals A4i, B1i, C3
Dunlin Calidris alpina LC winter 1987-1991 56,985 individuals A4i, B1i, C3
Spotted Redshank Tringa erythropus LC non-breeding 1985-1991 1,914 individuals A4i, B1i, C3
Common Greenshank Tringa nebularia LC non-breeding 1983-1990 2,120 individuals A4i, B1i, C3
Common Redshank Tringa totanus LC non-breeding 1983-1990 12,694 individuals A4i, B1i, C3
A4iii Species group - waterbirds n/a non-breeding 1990-1991 500,000-999,999 individuals A4iii, C4
A4iii Species group - waterbirds n/a winter 1990-1991 100,000-499,999 individuals A4iii, C4
A4iii Species group - waterbirds n/a passage 1990-1991 100,000-499,999 individuals A4iii, C4

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2013 very high not assessed medium
Was the whole site covered? Yes State assessed by unset
Accuracy of information unknown

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Biological resource use fishing & harvesting aquatic resources - unintentional effects: large scale happening now whole area/population (>90%) very rapid to severe deterioration very high
Climate change and severe weather habitat shifting and alteration happening now some of area/population (10-49%) moderate to rapid deterioration high
Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) slow but significant deterioration medium
Natural system modifications dams & water management/use - large dams happening now whole area/population (>90%) very rapid to severe deterioration very high
Residential and commercial development tourism and recreation areas happening now whole area/population (>90%) moderate to rapid deterioration very high

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation No management plan exists but the management planning process has begun The conservation measures needed for the site are being comprehensively and effectively implemented medium
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Waddenzee II Natural Monument 80,000 protected area overlaps with site 79,700
Waddenzee I Natural Monument 125,000 protected area overlaps with site 108,000
Waddenzee (Wadden Sea) Ramsar Site, Wetland of International Importance 249,998 protected area overlaps with site 233,855
Waddenzee Special Protection Area (Birds Directive) 1,832 protected area overlaps with site 270,756
Waddenzee Site of Community Importance (Habitats Directive) 249,170 protected area overlaps with site 263,050
Waddensea Area UNESCO-MAB Biosphere Reserve 260,000 protected area contains site 233,855
The Wadden Sea World Heritage Site 1,143,403 protected area overlaps with site 252,567
Noordzeekustzone II - NL2008004 Habitats Directive 118,658 protected area is adjacent to site 0
Noordzeekustzone Special Protection Area (Birds Directive) 1,813 protected area is adjacent to site 0
Noordzeekustzone Site of Community Importance (Habitats Directive) 144,475 protected area is adjacent to site 0
Eems-Dollard Site of Community Importance (Habitats Directive) 15,365 protected area contained by site 4,153
Duinen Vlieland Site of Community Importance (Habitats Directive) 1,484 protected area is adjacent to site 0
Duinen Vlieland Special Protection Area (Birds Directive) 4,795 protected area is adjacent to site 0
Duinen Terschelling Site of Community Importance (Habitats Directive) 4,040 protected area overlaps with site 239
Duinen Terschelling Special Protection Area (Birds Directive) 9,478 protected area is adjacent to site 0
Duinen Schiermonnikoog Special Protection Area (Birds Directive) 500 protected area is adjacent to site 0
Duinen Schiermonnikoog Site of Community Importance (Habitats Directive) 833 protected area is adjacent to site 0
Duinen en Lage Land Texel Site of Community Importance (Habitats Directive) 4,083 protected area is adjacent to site 0
Duinen en Lage Land Texel Special Protection Area (Birds Directive) 2,233 protected area is adjacent to site 0
Duinen Ameland Special Protection Area (Birds Directive) 5,704 protected area is adjacent to site 0
Duinen Ameland Site of Community Importance (Habitats Directive) 2,055 protected area is adjacent to site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Coastline Tidal rivers & enclosed tidal waters, Mud flats & sand flats -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
military -
nature conservation and research -
tourism/recreation -
urban/industrial/transport -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2017) Important Bird Areas factsheet: Wadden Sea. Downloaded from http://www.birdlife.org on 17/10/2017.