Data Zone
Country/territory: Portugal
IBA criteria met: A4i, B1i, B2, C2, C6 (2002)
For more information about IBA criteria, please click here
Area: 2,147 hectares (21.47 km2)
| IBA conservation status | |||
|---|---|---|---|
| Year of assessment (most recent) | State (condition) | Pressure (threat) | Response (action) |
| 2005 | not assessed | low | not assessed |
| For more information about IBA monitoring, please click here | |||
Site description (2002 baseline)
The Portuguese side of the Guadiana estuary, at the country's south-east corner. There is an extensive area of saltpans and of claimed land (used for cattle and sheep-grazing) that was formerly saltmarsh.
Key biodiversity
Important numbers of breeding, wintering and migrating waterbirds use this site, as do some steppic species such as Tetrax tetrax, Burhinus oedicnemus, Glareola prantincola and Melanocorypha calandra. This is the only portuguese site where Calandrella rufescens breeds. Untill 1999 Falco naumanni bred at this site.
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Castro Marim (Portugal). Downloaded from
https://datazone.birdlife.org/site/factsheet/castro-marim-iba-portugal on 23/12/2024.