UK261
Upper Solway Flats and Marshes


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 2001-2006 280 individuals B1i, B3, C2
Barnacle Goose Branta leucopsis LC passage 2001-2006 10,731 individuals A4i, B1i, C2
Barnacle Goose Branta leucopsis LC winter 2001-2006 9,660 individuals A4i, B1i, B2, C2, C6
Pink-footed Goose Anser brachyrhynchus LC winter 2001-2006 7,159 individuals A4i, B1i, C3
Common Shelduck Tadorna tadorna LC passage 2001-2006 4,271 individuals A4i, B1i, C3
Greater Scaup Aythya marila LC passage 2001-2006 1,724 individuals B2
Greater Scaup Aythya marila LC winter 2001-2006 3,196 individuals B1i, B2, C3
Northern Pintail Anas acuta LC passage 2001-2006 4,352 individuals B1i, C3
Northern Pintail Anas acuta LC winter 2001-2006 6,127 individuals B1i, C3
Haematopus ostralegus NR passage 2001-2006 43,784 individuals A4i, B1i, C3
Haematopus ostralegus NR winter 2001-2006 43,852 individuals A4i, B1i, C3
Eurasian Golden Plover Pluvialis apricaria LC passage 2001-2006 3,943 individuals C6
Eurasian Golden Plover Pluvialis apricaria LC winter 2001-2006 3,793 individuals C6
Eurasian Curlew Numenius arquata NT passage 2001-2006 2,979 individuals B2
Eurasian Curlew Numenius arquata NT winter 2001-2006 3,561 individuals A4i, B1i, B2, C3
Bar-tailed Godwit Limosa lapponica NT passage 2001-2006 778 individuals B2
Bar-tailed Godwit Limosa lapponica NT winter 2001-2006 1,657 individuals B1i, C3
Red Knot Calidris canutus NT passage 2001-2006 5,030 individuals B1i, C3
Red Knot Calidris canutus NT winter 2001-2006 10,934 individuals A4i, B1i, B2, C3
Dunlin Calidris alpina LC passage 2001-2006 8,966 individuals B2
Dunlin Calidris alpina LC winter 2001-2006 14,444 individuals B1i, B2, C3
Common Redshank Tringa totanus LC passage 2001-2006 2,825 individuals B1i, C3
Common Redshank Tringa totanus LC winter 2001-2006 2,697 individuals B1i, C3
Lesser Black-backed Gull Larus fuscus LC breeding 1999-2000 2,402 breeding pairs A4i, B1i, B3, C3
Arctic Herring Gull Larus smithsonianus LC breeding 1999-2000 7,211 breeding pairs B1i, C3
A4iii Species group - waterbirds n/a passage 2001-2006 73,536 individuals A4iii, C4
A4iii Species group - waterbirds n/a winter 2001-2006 100,615 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)
2007 high 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
Agricultural expansion and intensification marine and freshwater aquaculture - industrial aquaculture happening now some of area/population (10-49%) moderate to rapid deterioration high
Climate change and severe weather habitat shifting and alteration likely in long term (beyond 4 years) some of area/population (10-49%) slow but significant deterioration medium
Energy production and mining renewable energy likely in short term (within 4 years) small area/few individuals (<10%) slow but significant deterioration low
Human intrusions and disturbance recreational activities happening now small area/few individuals (<10%) no or imperceptible deterioration low
Natural system modifications dams & water management/use - large dams likely in short term (within 4 years) majority/most of area/population (50-90%) slow but significant deterioration medium

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Cygnus cygnus Whooper Swan 115 280 individuals 100 favourable
Branta leucopsis Barnacle Goose 12700 9660 individuals 77 near favourable
Anser brachyrhynchus Pink-footed Goose 10800 7159 individuals 67 unfavourable
Aythya marila Greater Scaup 2210 3196 individuals 100 favourable
Anas acuta Northern Pintail 1890 6127 individuals 100 favourable
Haematopus ostralegus Eurasian Oystercatcher 35200 43784 individuals 100 favourable
Haematopus ostralegus Eurasian Oystercatcher 36800 43852 individuals 100 favourable
Pluvialis apricaria Eurasian Golden Plover 5550 3793 individuals 69 unfavourable
Pluvialis apricaria Eurasian Golden Plover 4190 3943 individuals 95 favourable
Charadrius hiaticula Common Ringed Plover 1080 490 individuals 46 unfavourable
Numenius arquata Eurasian Curlew 6250 3561 individuals 57 unfavourable
Numenius arquata Eurasian Curlew 5250 2979 individuals 57 unfavourable
Limosa lapponica Bar-tailed Godwit 1690 778 individuals 47 unfavourable
Limosa lapponica Bar-tailed Godwit 2550 1657 individuals 65 unfavourable
Calidris canutus Red Knot 13200 10934 individuals 83 near favourable
Calidris canutus Red Knot 4350 5030 individuals 100 favourable
Calidris alpina Dunlin 6400 8966 individuals 100 favourable
Calidris alpina Dunlin 14800 14444 individuals 98 favourable
Tringa totanus Common Redshank 3250 2825 individuals 87 near favourable
Tringa totanus Common Redshank 2790 2697 individuals 97 favourable
Larus fuscus Lesser Black-backed Gull 2000 2402 breeding pairs 100 favourable
Larus argentatus 610 7211 breeding pairs 100 favourable
Species group - waterbirds A4iii 127785 100615 individuals 79 near favourable
Species group - waterbirds A4iii 70949 73536 individuals 100 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 Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity medium
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Upper Solway Flats and Marshes Site of Special Scientific Interest (UK) 17,224 protected area contained by site 29,950
Upper Solway Flats and Marshes Special Protection Area (Birds Directive) 43,678 protected area contained by site 43,637
Upper Solway Flats and Marshes Marine Protected Area (OSPAR) 0 protected area contained by site 0
Upper Solway Flats & Marshes Site of Special Scientific Interest (UK) 12,958 protected area contained by site 0
Upper Solway Flats & Marshes Ramsar Site, Wetland of International Importance 43,637 protected area contained by site 30,706
Southwick Coast Nature Reserve 32 protected area overlaps with site 0
Solway Firth Marine Protected Area (OSPAR) 0 protected area contained by site 0
Solway Firth Site of Community Importance (Habitats Directive) 43,676 protected area contained by site 43,637
Solway Coast Area of Outstanding Natural Beauty 12,262 protected area overlaps with site 11,500
Silloth Dunes and Mawbray Bank Site of Special Scientific Interest (UK) 190 protected area overlaps with site 0
Royal Ordnance, Powfoot Site of Special Scientific Interest (UK) 37 protected area is adjacent to site 0
River Eden and Tributaries Site of Special Scientific Interest (UK) 2,450 protected area is adjacent to site 0
Nith Estuary National Scenic Area 14,337 protected area overlaps with site 0
Mersehead Nature Reserve 1,028 protected area contained by site 0
Kirkconnell Merse Nature Reserve 299 protected area overlaps with site 0
East Stewartry Coast National Scenic Area 9,620 protected area overlaps with site 0
Drummains Reedbed Nature Reserve 5 protected area overlaps with site 0
Campfield Marsh Nature Reserve 354 protected area overlaps with site 0
Caerlaverock National Nature Reserve 8,185 protected area contained by site 7,706
Allonby Bay Marine Conservation Zone 3,906 protected area is adjacent to site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Grassland Humid grasslands -
Wetlands (inland) Tidal rivers and enclosed tidal waters, Mud flats and sand flats, Salt marshes -
Artificial/Terrestrial Highly improved re-seeded landscapes, Arable land -
For further information about the habitat classification please click here.

Land use

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


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Upper Solway Flats and Marshes. Downloaded from http://www.birdlife.org on 26/01/2022.