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close| Location | Spain, Aragón |
| Central coordinates | 0o 45.00' West 40o 55.00' North |
| IBA criteria | A4ii, B1iii, B2, C2, C6 |
| Area | 38,800 ha |
| Altitude | 400 - 1,237m |
| Year of IBA assessment | 2000 |
Ornithological information This is an important site for cliff-nesting raptors.
Site description Limestone cliffs along the River Martín in the northern foothills of the Sistema Ibérico. The vegetation is composed of Mediterranean scrub, maquis, xerophytic grasslands and a few Pinus woodlands.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Peregrine Falcon Falco peregrinus | resident | 1996 | 10 breeding pairs | medium | C6 | Least Concern |
| Egyptian Vulture Neophron percnopterus | breeding | 1996 | 15 breeding pairs | good | B2, C6 | Endangered |
| Griffon Vulture Gyps fulvus | resident | 1996 | 200-300 breeding pairs | medium | A4ii, B1iii, B2, C2, C6 | Least Concern |
| Golden Eagle Aquila chrysaetos | resident | 1996 | 10 breeding pairs | medium | C6 | Least Concern |
| Bonelli's Eagle Aquila fasciatus | resident | 1996 | 3-4 breeding pairs | good | C6 | Least Concern |
| Red-billed Chough Pyrrhocorax pyrrhocorax | resident | 1996 | 300 breeding pairs | medium | B2, C2 | Least Concern |
| Black Wheatear Oenanthe leucura | resident | 1996 | 40 breeding pairs | medium | B2 | Least Concern |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| DESFILADEROS DEL RÍO MARTÍN - ES0000303 | Birds Directive | 44,860 | protected area overlaps with site | 27,578 | |
| LAS PLANETAS-CLAVERÍAS - ES2420112 | Habitats Directive | 2,724 | protected area overlaps with site | 1,414 | |
| PARQUE CULTURAL DEL RÍO MARTÍN - ES2420113 | Habitats Directive | 25,389 | protected area overlaps with site | 21,902 |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Native coniferous woodland | - |
| Shrubland | Sclerophyllous scrub, garrigue and maquis | 26% |
| Rocky areas | Inland cliffs | 26% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | 26% |
| hunting | - |
| not utilised | - |
Management considerations Threats include the illegal use of poisoned baits, birds colliding with powerlines and rubbish-dumping in the river.
Protection status National None International None
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: River Martín canyons and Arcos mountain range. Downloaded from http://www.birdlife.org on 20/06/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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