Data Zone
Country/territory: Portugal
IBA criteria met: C6 (2002)
For more information about IBA criteria, please click here
Area: 58,788 ha
| 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)
Mountains with NE-SW orientation and maximum altitudes of 1330 meters (Alvão) and 1416 m. (Marão). The site is longitudinally bounded by the valleys of the rivers Tâmega (at West) and Corgo (at East). The site reaches its lower altitude at river Corgo's mouth. This site holds a large diversity of geomorphologic situations and natural habitats, namely atlantic humid meridional heaths and mountanious grass-lands. Groves, oak forests of Quercus robur and Q. pyrenaica, water fringe forests of Salix alba and Populus alba and cork oak forests are also found.
Key biodiversity
Alvão and Marão mountains re important due to the presence of an isolated breeding pair of Aquila chrysaetos. The site also holds a resident colony of Pyrrhocorax pyrrhocorax that during winter increases its number with feeding individuals. These mountains have ornithological importance for holding interesting raptors and transaharian migratory passerines. There are 146 bird species refered for this area.
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Serras do Alvão e Marão (Portugal). Downloaded from
https://datazone.birdlife.org/site/factsheet/serras-do-alvão-e-marão-iba-portugal on 22/11/2024.