Year of most recent IBA criteria assessment: 2007
Populations of IBA trigger speciesSpecies | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
---|---|---|---|---|---|
Northern Pintail Anas acuta | LC | winter | 2001-2006 | 1,550 individuals | B1i, C3 |
Eurasian Curlew Numenius arquata | NT | winter | 2001-2006 | 2,190 individuals | B2 |
Dunlin Calidris alpina | LC | winter | 2001-2006 | 10,600 individuals | B2 |
Common Redshank Tringa totanus | LC | passage | 2001-2006 | 1,630 individuals | B1i, C3 |
Common Redshank Tringa totanus | LC | winter | 2001-2006 | 1,720 individuals | B1i, C3 |
Little Tern Sternula albifrons | LC | breeding | 2000 | 26 breeding pairs | C6 |
Sandwich Tern Thalasseus sandvicensis | LC | breeding | 2006 | 300 breeding pairs | B2, C6 |
Sandwich Tern Thalasseus sandvicensis | LC | breeding | 2000 | 340 breeding pairs | B2, C6 |
A4iii Species group - waterbirds | n/a | winter | 2001-2006 | 30,054 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
Most recent IBA monitoring assessment | |||
---|---|---|---|
Year of assessment | Threat score (pressure) | Condition score (state) | Action score (response) |
2007 | low | very unfavourable | low |
Was the whole site covered? | Yes | State assessed by | Population |
Accuracy of information | good |
Threats to the site (pressure) | |||||
---|---|---|---|---|---|
Threat Level 1 | Threat Level 2 | Timing | Scope | Severity | Result |
Natural system modifications | other ecosystem modifications | happening now | small area/few individuals (<10%) | slow but significant deterioration | low |
Condition of key/trigger populations (state) | ||||||
---|---|---|---|---|---|---|
Scientific | Common | TargetPop | ActualPop | Units | Remaining | Result |
Anas acuta | Northern Pintail | 1550 | 1000 | individuals | 65 | unfavourable |
Charadrius hiaticula | Common Ringed Plover | 585 | 290 | individuals | 50 | unfavourable |
Numenius arquata | Eurasian Curlew | 2190 | 2044 | individuals | 94 | favourable |
Limosa lapponica | Bar-tailed Godwit | 315 | 83 | individuals | 27 | very unfavourable |
Calidris canutus | Red Knot | 3580 | 212 | individuals | 6 | very unfavourable |
Calidris canutus | Red Knot | 5300 | 1235 | individuals | 24 | very unfavourable |
Calidris alpina | Dunlin | 10600 | 6244 | individuals | 59 | unfavourable |
Tringa totanus | Common Redshank | 1630 | 1732 | individuals | 100 | favourable |
Tringa totanus | Common Redshank | 1630 | 1732 | individuals | 100 | favourable |
Tringa totanus | Common Redshank | 1720 | 2262 | individuals | 100 | favourable |
Sternula albifrons | Little Tern | 26 | 16 | breeding pairs | 62 | unfavourable |
Thalasseus sandvicensis | Sandwich Tern | 340 | 300 | breeding pairs | 89 | near favourable |
Species group - waterbirds | A4iii | 21902 | 18312 | individuals | 84 | near favourable |
Species group - waterbirds | A4iii | 36093 | 30054 | individuals | 84 | near favourable |
Conservation actions taken at site (response) | |||
---|---|---|---|
Conservation Designation | Management Planning | Conservation Action | Result |
Whole area of site (>90%) covered by appropriate conservation designation | A management plan exists but it is out of date or not comprehensive | Not assessed | low |
Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
---|---|---|---|---|
South Walney and Piel Channel Flats | Site of Special Scientific Interest (UK) | 2,331 | protected area is adjacent to site | 0 |
Sandscale Haws | National Nature Reserve | 262 | protected area contained by site | 0 |
Sandscale Haws | Nature Reserve | 262 | protected area contained by site | 0 |
North Walney | National Nature Reserve | 647 | protected area overlaps with site | 0 |
Morecambe Bay and Duddon Estuary | Special Protection Area (Birds Directive) | 66,899 | protected area contains site | 0 |
Morecambe Bay | Ramsar Site, Wetland of International Importance | 37,405 | protected area is adjacent to site | 0 |
Morecambe Bay | Site of Community Importance (Habitats Directive) | 61,538 | protected area contains site | 0 |
Morecambe Bay | Marine Protected Area (OSPAR) | 0 | protected area overlaps with site | 0 |
Morecambe Bay | Marine Protected Area (OSPAR) | 0 | protected area is adjacent to site | 0 |
Millom Iron Works | Local Nature Reserve | 21 | protected area overlaps with site | 0 |
Lake District | National Park | 236,386 | protected area is adjacent to site | 0 |
Hodbarrow | Nature Reserve | 106 | protected area contained by site | 0 |
Duddon Mosses | Site of Special Scientific Interest (UK) | 355 | protected area is adjacent to site | 0 |
Duddon Estuary | Site of Special Scientific Interest (UK) | 6,790 | protected area overlaps with site | 6,756 |
Duddon Estuary | Marine Protected Area (OSPAR) | 0 | protected area overlaps with site | 0 |
Duddon Estuary | Special Protection Area (Birds Directive) | 6,314 | is identical to site | 6,756 |
Duddon Estuary | Ramsar Site, Wetland of International Importance | 6,806 | protected area overlaps with site | 6,756 |
IUCN Habitat | Habitat detail | Extent (% of site) |
---|---|---|
Forest | Broadleaved deciduous woodland | - |
Shrubland | Scrub | - |
Grassland | - | |
Wetlands (inland) | Mud flats and sand flats, Salt marshes, Sand dunes and beaches, Shingle or stony beaches, Standing freshwater, Rivers and streams | - |
Land-use | Extent (% of site) |
---|---|
tourism/recreation | - |
Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Duddon Estuary. Downloaded from
http://www.birdlife.org on 08/08/2022.