Year of most recent IBA criteria assessment: 2002
Populations of IBA trigger speciesSpecies | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
---|---|---|---|---|---|
White Stork Ciconia ciconia | LC | resident | 1996 | 50-70 breeding pairs | C6 |
Common Little Bittern Ixobrychus minutus | LC | breeding | 1996 | common | C6 |
Purple Heron Ardea purpurea | LC | breeding | 2002 | 15 breeding pairs | B2, C6 |
Little Egret Egretta garzetta | LC | non-breeding | 1996 | common | C6 |
Great Cormorant Phalacrocorax carbo | LC | winter | 1996 | 1,000-2,200 individuals | B1i, C3 |
Pied Avocet Recurvirostra avosetta | LC | winter | 1996 | 2,000-4,000 individuals | A4i, B1i, B2, C2 |
Black-winged Stilt Himantopus himantopus | LC | breeding | 1996 | 200-800 breeding pairs | A4i, B1i, C2, C6 |
Black-tailed Godwit Limosa limosa | NT | winter | 1996 | 2,000-11,000 individuals | B1i, C3 |
Dunlin Calidris alpina | LC | winter | 1996 | 12,000-16,000 individuals | B1i, B2, C3 |
Collared Pratincole Glareola pratincola | LC | breeding | 1996 | 5-20 breeding pairs | C6 |
Little Tern Sternula albifrons | LC | breeding | 1996 | 50-100 breeding pairs | B2, C6 |
Western Marsh-harrier Circus aeruginosus | LC | resident | 1996 | 5-6 breeding pairs | C6 |
A4iii Species group - waterbirds | n/a | winter | 1996 | 20,000 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
Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
---|---|---|---|---|
Estuário do Sado | Ramsar Site, Wetland of International Importance | 25,588 | protected area overlaps with site | 24,633 |
Estuário do Sado | Special Protection Area (Birds Directive) | 24,633 | protected area overlaps with site | 24,312 |
Estuário do Sado | Reserva Natural | 23,971 | protected area overlaps with site | 20,011 |
Estuário do Sado | Site of Community Importance (Habitats Directive) | 30,968 | protected area overlaps with site | 23,346 |
Comporta / Galé | Site of Community Importance (Habitats Directive) | 32,051 | protected area is adjacent to site | 0 |
Açude da Murta | Special Protection Area (Birds Directive) | 498 | protected area overlaps with site | 0 |
IUCN Habitat | Habitat detail | Extent (% of site) |
---|---|---|
Forest | Mixed woodland, Broadleaved evergreen woodland | - |
Shrubland | Sclerophyllous scrub, garrigue and maquis | - |
Wetlands (inland) | Standing freshwater, Water fringe vegetation | - |
Artificial/Terrestrial | Arable land, Forestry plantations, Other urban and industrial areas | - |
Coastline | Sand dunes & beaches, Salt marshes, Mud flats & sand flats, Lagoons, Tidal rivers & enclosed tidal waters | - |
Land-use | Extent (% of site) |
---|---|
agriculture | - |
fisheries/aquaculture | - |
forestry | - |
hunting | - |
nature conservation and research | - |
tourism/recreation | - |
urban/industrial/transport | - |
Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Sado estuary. Downloaded from
http://www.birdlife.org on 12/08/2022.