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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


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.

Key Biodiversity This is an important site for breeding raptors.

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 
Bonelli's Eagle Aquila fasciata resident  1997  5-10 breeding pairs  medium  B2, C6  Least Concern 
Milvus migrans breeding  1997  40-50 breeding pairs  medium  C6  Not Recognised 
Circaetus gallicus breeding  1997  20-30 breeding pairs  medium  B2, C6  Not Recognised 
Eurasian Eagle-owl Bubo bubo resident  1997  25-30 breeding pairs  poor  B2, C6  Least Concern 


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 - terrestrial Arable land; Forestry plantations; Perennial crops, orchards and groves  -

Land use

Land-use Extent (% of site)
agriculture 30%
forestry 70%
hunting 100%

Protection status National None International None

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Recommended citation  BirdLife International (2015) Important Bird and Biodiversity Area factsheet: Lower course of the river Matarraña-Ribarroja. Downloaded from on 28/11/2015

To provide new information to update this factsheet or to correct any errors, please email BirdLife