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Location Spain, Cantabria,Castilla y León
Central coordinates 3o 57.00' West  43o 0.00' North
IBA criteria A4i, B1i, B2, C3
Area 11,600 ha
Altitude 900 - 920m
Year of IBA assessment 2000


Site description A wide, generally shallow reservoir with surrounding wet grassland and bogs. Human activities include livestock-farming and arable agriculture.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Gadwall Mareca strepera resident  1995  100-120 breeding pairs  good  B2  Least Concern 
Red-crested Pochard Netta rufina non-breeding  1994  3,000-5,000 individuals  good  A4i, B1i, C3  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
EMBALSE DEL EBRO - ES0000191 Birds Directive 5,964 protected area contained by site 5,964  
Embalse del Ebro - ES0000252 Birds Directive 6,711 protected area contained by site 6,711  
EMBALSE DEL EBRO - ES4120090 Habitats Directive 7,306 protected area overlaps with site 4,744  
Rio y Embalse del Ebro - ES1300013 Habitats Directive 7,685 protected area overlaps with site 3,239  


IUCN habitat Habitat detail Extent (% of site)
Shrubland Heathland  10%
Grassland Humid grasslands  10%
Wetlands (inland) Raised bogs; Standing freshwater  80%

Land use

Land-use Extent (% of site)
fisheries/aquaculture 70%
tourism/recreation 15%
urban/industrial/transport 10%
agriculture 25%
water management 80%

Protection status National None International None

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: River Ebro dam. Downloaded from on 29/07/2014

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