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Location Spain, Cantabria
Central coordinates 3o 45.00' West  43o 25.00' North
IBA criteria B1i, C2, C6
Area 3,300 ha
Altitude 0 - 50m
Year of IBA assessment 2000

SEO/BirdLife



Site description A coastal bay with sandbanks and a small island. The site includes a port. Human activities include fishing and tourism.

Key Biodiversity This is an important site for migrant waterbirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
European Storm-petrel Hydrobates pelagicus breeding  1995  40 breeding pairs  poor  C6  Least Concern 
Eurasian Spoonbill Platalea leucorodia passage  1995  30 individuals  medium  B1i, C2  Least Concern 

IBA Monitoring

2007 very high favourable low
Population
Medium - based upon reliable but incomplete / partially representative data

Human intrusions and disturbance recreational activities happening now small area/few individuals (<10%) no or imperceptible deterioration low
Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) slow but significant deterioration medium
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species happening now some of area/population (10-49%) very rapid to severe deterioration high
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species happening now whole area/population (>90%) very rapid to severe deterioration very high
Pollution domestic & urban waste water - type unknown/unrecorded happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution garbage & solid waste happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution industrial & military effluents - type unknown/unrecorded happening now some of area/population (10-49%) moderate to rapid deterioration high
Residential and commercial development commercial and industrial development happening now majority/most of area/population (50-90%) very rapid to severe deterioration very high
Residential and commercial development housing and urban areas happening now majority/most of area/population (50-90%) very rapid to severe deterioration very high
Residential and commercial development tourism and recreation areas likely in short term (within 4 years) some of area/population (10-49%) slow but significant deterioration medium
Transportation and service corridors flight paths happening now small area/few individuals (<10%) slow but significant deterioration low
Transportation and service corridors roads and railroads likely in short term (within 4 years) some of area/population (10-49%) moderate to rapid deterioration medium
Transportation and service corridors shipping lanes happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Transportation and service corridors utility & service lines happening now some of area/population (10-49%) slow but significant deterioration medium

Hydrobates pelagicus European Storm-petrel 40 40 breeding pairs 100 favourable

Some of site covered (10-49%)  No management planning has taken place  Some limited conservation initiatives are in place  low 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Dunas del Puntal y Estuario del Miera - ES1300005 Habitats Directive 675 protected area contained by site 675  
Rio Miera - ES1300015 Habitats Directive 396 protected area is adjacent to site 0  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Grassland Humid grasslands  5%
Wetlands (inland) Mud flats and sand flats; Sand dunes and beaches; Tidal rivers and enclosed tidal waters  85%
Artificial - terrestrial Arable land; Other urban and industrial areas  5%
Coastline Mud flats & sand flats; Sand dunes & beaches; Tidal rivers & enclosed tidal waters  85%

Land use

Land-use Extent (% of site)
fisheries/aquaculture 50%
tourism/recreation 25%
urban/industrial/transport 75%

Protection status National None International None

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Santander bay-Mouro islet. Downloaded from http://www.birdlife.org on 28/12/2014

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