UK014
Chichester and Langstone Harbours


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
Brent Goose Branta bernicla LC winter 2001-2006 12,424 individuals A4i, B1i, C3
Grey Plover Pluvialis squatarola LC passage 2001-2006 2,005 individuals A4i, B1i, C3
Grey Plover Pluvialis squatarola LC winter 2001-2006 2,644 individuals A4i, B1i, C3
Common Ringed Plover Charadrius hiaticula LC passage 2001-2006 502 individuals B1i, C3
Eurasian Curlew Numenius arquata NT winter 2001-2006 2,047 individuals B2
Bar-tailed Godwit Limosa lapponica NT passage 2001-2006 377 individuals B2, C6
Bar-tailed Godwit Limosa lapponica NT winter 2001-2006 1,009 individuals A4i, B1i, B2, C2, C6
Black-tailed Godwit Limosa limosa NT passage 2001-2006 1,328 individuals B1i, C3
Black-tailed Godwit Limosa limosa NT winter 2001-2006 890 individuals B1i, C3
Dunlin Calidris alpina LC passage 2001-2006 8,184 individuals B2
Dunlin Calidris alpina LC winter 2001-2006 31,278 individuals A4i, B1i, B2, C3
Common Redshank Tringa totanus LC passage 2001-2006 2,700 individuals B1i, C3
Common Redshank Tringa totanus LC winter 2001-2006 2,670 individuals B1i, C3
Mediterranean Gull Larus melanocephalus LC breeding 2001 47 breeding pairs C6
Little Tern Sternula albifrons LC breeding 2000 130 breeding pairs B2, C2
Little Tern Sternula albifrons LC breeding 2006 68 breeding pairs B2, C2
Sandwich Tern Thalasseus sandvicensis LC breeding 2000 88 breeding pairs C6
Sandwich Tern Thalasseus sandvicensis LC breeding 2006 204 breeding pairs B2, C6
A4iii Species group - waterbirds n/a passage 2001-2006 29,142 individuals A4iii, C4
A4iii Species group - waterbirds n/a winter 2001-2006 81,571 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 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
Climate change and severe weather habitat shifting and alteration happening now some of area/population (10-49%) slow but significant deterioration medium
Natural system modifications dams & water management/use - dams (size unknown) likely in short term (within 4 years) majority/most of area/population (50-90%) moderate to rapid deterioration high
Natural system modifications other ecosystem modifications happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution agricultural & forestry effluents - nutrient loads happening now some of area/population (10-49%) slow but significant deterioration medium
Residential and commercial development tourism and recreation areas likely in short term (within 4 years) small area/few individuals (<10%) slow but significant deterioration low
Transportation and service corridors roads and railroads likely in short term (within 4 years) small area/few individuals (<10%) slow but significant deterioration low

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Branta bernicla Brent Goose 16600 12424 individuals 75 near favourable
Pluvialis squatarola Grey Plover 3350 2005 individuals 60 unfavourable
Pluvialis squatarola Grey Plover 3770 2644 individuals 71 near favourable
Charadrius hiaticula Common Ringed Plover 875 430 individuals 50 unfavourable
Charadrius hiaticula Common Ringed Plover 1810 502 individuals 28 very unfavourable
Numenius arquata Eurasian Curlew 1820 2047 individuals 100 favourable
Limosa lapponica Bar-tailed Godwit 1180 377 individuals 32 very unfavourable
Limosa lapponica Bar-tailed Godwit 1760 1009 individuals 58 unfavourable
Limosa limosa Black-tailed Godwit 1110 1328 individuals 100 favourable
Limosa limosa Black-tailed Godwit 1090 890 individuals 82 near favourable
Calidris alpina Dunlin 22700 8184 individuals 37 very unfavourable
Calidris alpina Dunlin 47400 31278 individuals 66 unfavourable
Tringa totanus Common Redshank 1980 2700 individuals 100 favourable
Tringa totanus Common Redshank 1860 2670 individuals 100 favourable
Sternula albifrons Little Tern 130 68 breeding pairs 53 unfavourable
Thalasseus sandvicensis Sandwich Tern 88 204 breeding pairs 100 favourable
Species group - waterbirds A4iii 95083 81571 individuals 86 near favourable
Species group - waterbirds A4iii 40171 29142 individuals 73 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 Some limited conservation initiatives are in place medium
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
West Hayling Local Nature Reserve 76 protected area contained by site 0
Warblington Meadow Site of Special Scientific Interest (UK) 4 protected area overlaps with site 0
The Kench, Hayling Island Local Nature Reserve 6 protected area contained by site 0
Solent Maritime Marine Protected Area (OSPAR) 0 protected area overlaps with site 0
Solent Maritime Site of Community Importance (Habitats Directive) 11,243 protected area overlaps with site 0
Solent And Isle Of Wight Lagoons Site of Community Importance (Habitats Directive) 38 protected area overlaps with site 0
Sinah Common Site of Special Scientific Interest (UK) 243 protected area overlaps with site 0
Sandy Point Local Nature Reserve 18 protected area overlaps with site 0
Pilsey Island Nature Reserve 17 protected area contained by site 0
Pilsey Island Local Nature Reserve 18 protected area contained by site 0
Nutborne Marshes Local Nature Reserve 387 protected area contained by site 0
Langstone Harbour RSPB Reserve 558 protected area contained by site 558
Langstone Harbour Site of Special Scientific Interest (UK) 2,087 protected area overlaps with site 2,080
Langstone Harbour Nature Reserve 587 protected area contained by site 0
Hayling Billy Local Nature Reserve 42 protected area overlaps with site 0
Gutner Point Local Nature Reserve 69 protected area overlaps with site 0
Farlington Marshes Local Nature Reserve 120 protected area overlaps with site 0
East Head West Wittering Nature Reserve 28 protected area contained by site 0
Eames Farm Local Nature Reserve 133 protected area overlaps with site 0
Chichester Harbour Area of Outstanding Natural Beauty 7,321 protected area overlaps with site 3,700
Chichester Harbour Site of Special Scientific Interest (UK) 3,735 protected area overlaps with site 3,729
Chichester and Langstone Harbours Ramsar Site, Wetland of International Importance 5,810 protected area overlaps with site 5,795
Chichester and Langstone Harbours Special Protection Area (Birds Directive) 5,811 is identical to site 5,795
Chichester and Langstone Harbours Marine Protected Area (OSPAR) 0 protected area overlaps with site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland -
Shrubland Scrub -
Grassland -
Wetlands (inland) Tidal rivers and enclosed tidal waters, Mud flats and sand flats, Salt marshes, Sand dunes and beaches, Shingle or stony beaches, Coastal lagoons, Standing freshwater, Water fringe vegetation -
For further information about the habitat classification please click here.

Land use

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


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Chichester and Langstone Harbours. Downloaded from http://www.birdlife.org on 20/01/2022.