ES035
Urdaibai - Matxitxako


IBA Criteria

Year of most recent IBA criteria assessment: 2011

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
European Storm-petrel Hydrobates pelagicus LC resident 2007 500-1,796 breeding pairs C6
Eurasian Spoonbill Platalea leucorodia LC passage 2009 min 500 individuals A4i, B1i, C2
European Shag Gulosus aristotelis LC resident 2007 112 breeding pairs B3
Eurasian Curlew Numenius arquata NT winter 2010 79-278 individuals A1, C1
Peregrine Falcon Falco peregrinus LC resident 2008 min 17 breeding pairs C6

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2008 very high very unfavourable medium
Was the whole site covered? Yes State assessed by Habitat
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification annual & perennial non-timber crops - shifting agriculture likely in long term (beyond 4 years) some of area/population (10-49%) no or imperceptible deterioration low
Agricultural expansion and intensification annual & perennial non-timber crops - small-holder farming likely in long term (beyond 4 years) some of area/population (10-49%) no or imperceptible deterioration low
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming likely in long term (beyond 4 years) some of area/population (10-49%) no or imperceptible deterioration low
Agricultural expansion and intensification marine and freshwater aquaculture - subsistence/artisinal aquaculture likely in long term (beyond 4 years) some of area/population (10-49%) no or imperceptible deterioration low
Biological resource use fishing & harvesting aquatic resources - unintentional effects: large scale happening now whole area/population (>90%) moderate to rapid deterioration very high
Biological resource use fishing & harvesting aquatic resources - unintentional effects: large scale happening now whole area/population (>90%) moderate to rapid deterioration very high
Biological resource use gathering terrestrial plants - unintentional effects (species being assessed is not the target) happening now whole area/population (>90%) moderate to rapid deterioration very high
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) likely in long term (beyond 4 years) small area/few individuals (<10%) no or imperceptible deterioration low
Biological resource use hunting & collecting terrestrial animals - persecution/control likely in long term (beyond 4 years) small area/few individuals (<10%) no or imperceptible deterioration low
Biological resource use hunting & collecting terrestrial animals - unintentional effects (species is not the target) likely in long term (beyond 4 years) small area/few individuals (<10%) no or imperceptible deterioration low
Biological resource use hunting & collecting terrestrial animals - unintentional effects (species is not the target) likely in long term (beyond 4 years) some of area/population (10-49%) moderate to rapid deterioration medium
Biological resource use logging & wood harvesting - unintentional effects: large scale happening now whole area/population (>90%) moderate to rapid deterioration very high
Human intrusions and disturbance recreational activities happening now whole area/population (>90%) very rapid to severe deterioration very high
Human intrusions and disturbance work and other activities happening now whole area/population (>90%) moderate to rapid deterioration very high
Invasive and other problematic species and genes introduced genetic material happening now majority/most of area/population (50-90%) very rapid to severe deterioration very 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%) very rapid to severe deterioration very high
Natural system modifications dams & water management/use - dams (size unknown) likely in long term (beyond 4 years) some of area/population (10-49%) slow but significant deterioration medium
Natural system modifications fire & fire suppression - increase in fire frequency/intensity likely in short term (within 4 years) some of area/population (10-49%) slow but significant deterioration medium
Natural system modifications other ecosystem modifications happening now some of area/population (10-49%) moderate to rapid deterioration high
Pollution agricultural & forestry effluents - type unknown/unrecorded 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%) moderate to rapid deterioration very high
Pollution garbage & solid waste happening now whole area/population (>90%) slow but significant deterioration high
Pollution industrial & military effluents - type unknown/unrecorded happening now whole area/population (>90%) very rapid to severe deterioration very high
Residential and commercial development commercial and industrial development happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Residential and commercial development housing and urban areas happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Residential and commercial development tourism and recreation areas happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Transportation and service corridors roads and railroads happening now some of area/population (10-49%) moderate to rapid deterioration high
Transportation and service corridors shipping lanes happening now small area/few individuals (<10%) slow but significant deterioration low
Transportation and service corridors utility & service lines happening now majority/most of area/population (50-90%) slow but significant deterioration high

Condition of habitat (state)
Habitat Habitat Detail Reference Area (ha) Actual Area (ha) % of habitat remaining % of carrying capacity (overall) Result
Sea 0 0 moderate (70-90%) poor (40-69%) very unfavourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A management plan exists but it is out of date or not comprehensive Some limited conservation initiatives are in place medium
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Urdaibaiko itsasertzak eta padurak / Zonas litorales y marismas de Urdaibai Site of Community Importance (Habitats Directive) 1,010 protected area contained by site 1,010
Urdaibaiko itsasadarra / Ría de Urdaibai Special Protection Area (Birds Directive) 3,242 protected area overlaps with site 3,242
Urdaibaiko ibai sarea / Red fluvial de Urdaibai Site of Community Importance (Habitats Directive) 1,328 protected area is adjacent to site 0
Urdaibaiko artadi kantauriarrak / Encinares cantábricos de Urdaibai Site of Community Importance (Habitats Directive) 1,583 protected area overlaps with site 52
Urdaibai UNESCO-MAB Biosphere Reserve 21,992 protected area contains site 20,860
Urdaibai Reserva de la Biosfera 22,041 protected area overlaps with site 0
Ria de Mundaka-Guernika Ramsar Site, Wetland of International Importance 945 protected area overlaps with site 945
Gaztelugatxeko Doniene / San Juan de Gaztelugatxe Site of Community Importance (Habitats Directive) 158 protected area contained by site 158
Gaztelugatxe Biotopo Protegido 158 protected area contained by site 0
Espacio marino de la Ria de Mundaka-Cabo de Ogoño Marine Protected Area (OSPAR) 17,500 protected area contained by site 0
Espacio marino de la Ría de Mundaka-Cabo de Ogoño Special Protection Area (Birds Directive) 17,542 protected area contained by site 0
Astondoko haremunak / Dunas de Astondo Site of Community Importance (Habitats Directive) 5 protected area contained by site 5

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Coastline Tidal rivers & enclosed tidal waters -
Sea Sea inlets and coastal features -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
nature conservation and research -
fisheries/aquaculture -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Urdaibai - Matxitxako. Downloaded from http://www.birdlife.org on 02/12/2020.