Data Zone
The site was identified as important in 2002 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 |
|---|---|---|---|---|---|
| Red-crested Pochard Netta rufina | LC | winter | 1996 | 450-1,015 unknown | A4i, B1i, C3 |
| Purple Swamphen Porphyrio porphyrio | LC | resident | 2001 | 2-3 breeding pairs | C6 |
| Common Little Bittern Ixobrychus minutus | LC | breeding | 2001 | frequent | C6 |
| Purple Heron Ardea purpurea | LC | breeding | 2000 | 9-26 breeding pairs | B2, C6 |
| Black-winged Stilt Himantopus himantopus | LC | resident | 2001 | 10-20 breeding pairs | C6 |
| Little Tern Sternula albifrons | LC | breeding | 2002 | 1-35 breeding pairs | C6 |
| Western Marsh-harrier Circus aeruginosus | LC | breeding | 1999 | 1-2 breeding pairs | C6 |
| Western Marsh-harrier Circus aeruginosus | LC | winter | 1999 | 12-22 individuals | C6 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2002) may differ.
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2002. The most recent assessment (2005) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2005 | not assessed | low | not assessed |
| Whole site assessed? | State assessed by | Accuracy of information | |
| no | unset | good | |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Transportation and service corridors | happening now | small area/few individuals (<10%) | very rapid to severe deterioration | low |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Protected areas | Management plan | Other action | Result |
| Not assessed | Not assessed | Not assessed | not assessed |
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1988 | Lagoa de Santo André | Special Protection Area (Birds Directive) | 43 |
| 1988 | Lagoa da Sancha | Special Protection Area (Birds Directive) | 7 |
| 1996 | Lagoa de St. André et Lagoa de Sancha | Ramsar Site, Wetland of International Importance | 99 |
| 1997 | Comporta / Galé | Site of Community Importance (Habitats Directive) | 82 |
| 2000 | Lagoas de Santo André e da Sancha | Reserva Natural | 83 |
| 2000 | Reserva Natural das Lagoas de Santo André e Sancha | Natural Reserve | 100 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Coastal/Supratidal | major (>10) | |
| Marine Intertidal | major (>10) | |
| Artificial/Terrestrial | Forestry plantations | - |
| Shrubland | Sclerophyllous scrub, garrigue and maquis | - |
| Land use | % of IBA |
|---|---|
| agriculture | - |
| fisheries/aquaculture | - |
| tourism/recreation | - |
| urban/industrial/transport | - |
| water management | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Santo André and Sancha lagoons (Portugal). Downloaded from
https://datazone.birdlife.org/site/factsheet/santo-andré-and-sancha-lagoons-iba-portugal on 23/11/2024.