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close| Location | Spain, Aragón,Cataluña |
| Central coordinates | 0o 20.00' East 41o 0.00' North |
| IBA criteria | B1i, B2, C2, C6 |
| Area | 73,500 ha |
| Altitude | 100 - 500m |
| Year of IBA assessment | 2000 |
Ornithological information This is an important site for breeding raptors.
Site description A mountainous area dominated by Pinus forests, Quercus woodland and sclerophyllous scrub. Three rivers with associated riverine vegetation cross the area. The main human activities are forestry and hunting.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Black Stork Ciconia nigra | passage | 1996 | 20-30 individuals | medium | B1i, C2 | Least Concern |
| Black Kite Milvus migrans | breeding | 1997 | 40-50 breeding pairs | medium | C6 | Least Concern |
| Short-toed Snake-eagle Circaetus gallicus | breeding | 1997 | 20-30 breeding pairs | medium | B2, C6 | Least Concern |
| Bonelli's Eagle Aquila fasciatus | resident | 1997 | 5-10 breeding pairs | medium | B2, C6 | Least Concern |
| Eurasian Eagle-owl Bubo bubo | resident | 1997 | 25-30 breeding pairs | poor | B2, C6 | Least Concern |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Aiguabarreig Segre-Cinca - ES5130013 | Birds Directive | 761 | protected area overlaps with site | 48 | |
| MATARRAÑA - AIGUABARREIX - ES0000298 | Birds Directive | 36,724 | protected area contained by site | 36,724 | |
| RÍO ALGARS - ES2420118 | Habitats Directive | 874 | protected area overlaps with site | 198 | |
| RÍO MATARRANYA - ES2430097 | Habitats Directive | 1,991 | protected area overlaps with site | 1,503 | |
| Ribera de l'Algars - ES5140003 | Birds Directive | 2,128 | protected area overlaps with site | 1,156 | |
| Secans del Segrià i Utxesa - ES5130038 | Habitats Directive | 3,793 | protected area overlaps with site | 298 | |
| Tossals d'Almatret i Riba Roja - ES5140012 | Birds Directive | 7,474 | protected area contained by site | 7,474 |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Alluvial and very wet forest; Native coniferous woodland | 26% |
| Shrubland | Sclerophyllous scrub, garrigue and maquis | 26% |
| Wetlands (inland) | Rivers and streams | - |
| Coastline | Inland cliffs | 26% |
| Artificial landscapes (terrestrial) | Arable land; Forestry plantations; Perennial crops, orchards and groves | - |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | 30% |
| forestry | 70% |
| hunting | 100% |
Management considerations The main threats are from the high hunting pressure and the expansion of irrigated arable cultivation.
Protection status National None International None
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Lower course of the river Matarraña-Ribarroja. Downloaded from http://www.birdlife.org on 19/06/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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