Martin Mere

IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Whooper Swan Cygnus cygnus LC winter 1990-1995 595 individuals B1i, B3, C2, C6
Tundra Swan Cygnus columbianus LC winter 1990-1995 600 individuals A4i, B1i, B2, C2, C6
Pink-footed Goose Anser brachyrhynchus LC winter 1990-1995 5,600 individuals A4i, B1i, C3
Northern Pintail Anas acuta LC winter 1990-1995 1,010 individuals B1i, C3
Ruff Calidris pugnax LC winter 2001-2006 128 individuals C6

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)
2007 low very unfavourable medium
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
No known threats no known threats happening now small area/few individuals (<10%) no or imperceptible deterioration low

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Calidris pugnax Ruff 34 128 individuals 100 favourable
Species group - waterbirds A4iii 24345 4267 individuals 18 very unfavourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species Not assessed medium
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Martin Mere, Burscough Site of Special Scientific Interest (UK) 120 protected area overlaps with site 120
Martin Mere Wildfowl Trust Reserve 119 protected area contains site 119
Martin Mere Ramsar Site, Wetland of International Importance 120 protected area overlaps with site 120
Martin Mere Special Protection Area (Birds Directive) 120 is identical to site 120


IUCN Habitat Habitat detail Extent (% of site)
Grassland Humid grasslands -
Wetlands (inland) Standing freshwater -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
nature conservation and research -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Martin Mere. Downloaded from on 03/12/2022.