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Location Spain, Galicia
Central coordinates 8o 51.00' West  42o 28.00' North
IBA criteria B1i, B2, C2
Area 2,561 ha
Altitude 0 - 50m
Year of IBA assessment 2000

SEO/BirdLife



Site description A small harbour to the south of the Ría de Arosa, with large intertidal mudflats and sandbanks. Human activities include fishing, shellfish collecting and tourism.

Key Biodiversity This is an important wintering and passage site for waterbirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Spoonbill Platalea leucorodia passage  1994  34 individuals  good  B1i, C2  Least Concern 
Dunlin Calidris alpina winter  1994  4,267 individuals  good  B2  Least Concern 

IBA Monitoring

2008 very high not assessed negligible
unset
Good - based on reliable and complete / representative data

Agricultural expansion and intensification marine and freshwater aquaculture - industrial aquaculture happening now some of area/population (10-49%) slow but significant deterioration medium
Agricultural expansion and intensification marine and freshwater aquaculture - subsistence/artisinal aquaculture happening now majority/most of area/population (50-90%) slow but significant deterioration high
Agricultural expansion and intensification wood and pulp plantations (includes afforestation) - small-holder plantations happening now some of area/population (10-49%) very rapid to severe deterioration high
Climate change and severe weather drought happening now some of area/population (10-49%) very rapid to severe deterioration high
Climate change and severe weather storms and floods happening now some of area/population (10-49%) moderate to rapid deterioration high
Energy production and mining mining and quarrying happening now small area/few individuals (<10%) slow but significant deterioration low
Human intrusions and disturbance recreational activities happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Human intrusions and disturbance work and other activities happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Invasive and other problematic species and genes problematic native species/diseases - named species happening now majority/most of area/population (50-90%) slow but significant deterioration high
Natural system modifications dams & water management/use - small dams happening now some of area/population (10-49%) moderate to rapid deterioration high
Natural system modifications other ecosystem modifications happening now some of area/population (10-49%) very rapid to severe deterioration high
Over-exploitation, persecution and control of species fishing & harvesting aquatic resources - unintentional effects: large scale happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Over-exploitation, persecution and control of species fishing & harvesting aquatic resources - unintentional effects: large scale likely in short term (within 4 years) small area/few individuals (<10%) no or imperceptible deterioration low
Over-exploitation, persecution and control of species gathering terrestrial plants - unintentional effects (species being assessed is not the target) happening now some of area/population (10-49%) slow but significant deterioration medium
Over-exploitation, persecution and control of species hunting & collecting terrestrial animals - intentional use (species being assessed is the target) happening now small area/few individuals (<10%) slow but significant deterioration low
Pollution agricultural & forestry effluents - nutrient loads happening now some of area/population (10-49%) very rapid to severe deterioration high
Pollution air-borne pollutants - smog happening now whole area/population (>90%) moderate to rapid deterioration very high
Pollution domestic & urban waste water - type unknown/unrecorded happening now whole area/population (>90%) very rapid to severe deterioration very high
Pollution excess energy - light pollution happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution excess energy - noise pollution 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%) very rapid to severe deterioration high
Pollution industrial & military effluents - oil spills happening now some of area/population (10-49%) very rapid to severe deterioration high
Residential and commercial development commercial and industrial development happening now some of area/population (10-49%) moderate to rapid deterioration high
Residential and commercial development housing and urban areas happening now some of area/population (10-49%) moderate to rapid deterioration high
Residential and commercial development tourism and recreation areas happening now some of area/population (10-49%) moderate to rapid deterioration high
Transportation and service corridors roads and railroads happening now some of area/population (10-49%) slow but significant deterioration medium
Transportation and service corridors shipping lanes happening now some of area/population (10-49%) slow but significant deterioration medium
Transportation and service corridors utility & service lines happening now small area/few individuals (<10%) slow but significant deterioration low

Sea   0 0 moderate (70-90%) moderate (70-90%) unfavourable
Sea Sea inlets and coastal features  0 0 moderate (70-90%) moderate (70-90%) unfavourable
Wetlands (inland) Sand dunes and beaches  0 0 moderate (70-90%) poor (40-69%) very unfavourable

Ardea cinerea Grey Heron 155 250 individuals 100 favourable
Calidris alpina Dunlin 4267 4000 individuals 94 favourable

Little/none of site covered (<10%)  No management planning has taken place  Very little or no conservation action taking place  negligible 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Complejo intermareal Umia-Grove Wetlands of International Importance (Ramsar) 2,561 protected area contained by site 2,561  
Complexo intermareal Umia - O Grove, A Lanzada, punta Carreirón e lagoa Bodeira - ES0000087 Birds Directive 2,812 protected area overlaps with site 2,220  
Complexo Ons - O Grove - ES1140004 Habitats Directive 7,507 protected area overlaps with site 2,233  

Local conservation groups The local conservation groups below are working to support conservation at this IBA.

Name Year formed
Colectivo Ecoloxista do Salnés 0
SEO/Pontevedra 0

Habitats

IUCN habitat Habitat detail Extent (% of site)
Coastline Lagoons; Mud flats & sand flats; Sand dunes & beaches; Tidal rivers & enclosed tidal waters  50%
Sea Sea inlets and coastal features  40%
Artificial - terrestrial Arable land; Forestry plantations  10%

Land use

Land-use Extent (% of site)
fisheries/aquaculture 30%
tourism/recreation 5%
agriculture 5%
not utilised 60%

Protection status National None International High2,420 ha of IBA covered by Ramsar Site (Complejo intermareal Umia-Grove, 2,420 ha). 2,420 ha of IBA covered by Special Protection Area (Complejo intermareal Umia-O Grove, La Lanzada, Pun, 2,420 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Ría de Arosa (O Grove) estuary. Downloaded from http://www.birdlife.org on 25/12/2014

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