Data Zone
The site was identified as important in 2008 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Cory's Shearwater Calonectris borealis | LC | breeding | 1996-2001 | 46,192 individuals | A4ii, B1ii, C2 |
| Audubon's Shearwater Puffinus lherminieri | LC | breeding | 1999 | 30-65 breeding pairs | B1ii, C2 |
| Roseate Tern Sterna dougallii | LC | breeding | 2004-2008 | 8-130 breeding pairs | B1ii, C2 |
| A4iii Species group - seabirds | n/a | breeding | 1996-2001 | 46,000 individuals | A4iii, C4 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1995 | Ponta dos Rosais - Ilha de S. Jorge | Site of Community Importance (Habitats Directive) | <1 |
| 2011 | Entre Morros | Área Protegida de Gestão de Recursos | 1 |
| 2011 | Costa Oeste (Ilha de São Jorge) | Área Protegida de Gestão de Recursos | 1 |
| 2011 | Costa Sudoeste (Ilha de São Jorge) | Área Protegida para a Gestão de Habitats ou Espécies | <1 |
| 2011 | Ponta dos Rosais | Monumento Natural | <1 |
| 2011 | Costa das Velas | Área Protegida para a Gestão de Habitats ou Espécies | <1 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Neritic | 100 |
| Land use | % of IBA |
|---|---|
| nature conservation and research | 20 |
| military | - |
| tourism/recreation | - |
| fisheries/aquaculture | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: São Jorge - Oeste (Portugal). Downloaded from
https://datazone.birdlife.org/site/factsheet/são-jorge--oeste-iba-portugal on 23/11/2024.