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Location Spain, Castilla y León
Central coordinates 4o 5.00' West  40o 52.00' North
IBA criteria A1, A4ii, B1iii, B2, C1, C2, C6
Area 54,500 ha
Altitude 880 - 2,428m
Year of IBA assessment 2000

SEO/BirdLife



Site description Northern slope of the Guadarrama mountain range in the Sistema Central with Quercus pyrenaica and Pinus sylvestris woodland and Q. rotundifolia below 1,000 m. There are also large areas of degraded scrub and above 1,800 m Cytisus and Juniperus scrub. The main human activities are cattle-farming, game hunting and skiing.

Key Biodiversity This is a very important area for breeding raptors. Species of global conservation concern that do not meet IBA criteria: Falco naumanni (4-5 breeding pairs.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Cinereous Vulture Aegypius monachus resident  1996  50-55 breeding pairs  good  A1, A4ii, B1iii, B2, C1, C2, C6  Near Threatened 
Spanish Imperial Eagle Aquila adalberti resident  1996  4 breeding pairs  good  A1, B2, C1, C6  Vulnerable 
Red Kite Milvus milvus breeding  1996  20 breeding pairs  poor  C6  Near Threatened 

IBA Monitoring

2007 very high not assessed medium
unset
Medium - based upon reliable but incomplete / partially representative data

Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming happening now majority/most of area/population (50-90%) slow but significant deterioration high
Agricultural expansion and intensification wood and pulp plantations (includes afforestation) - agro-industry plantations happening now some of area/population (10-49%) slow but significant deterioration medium
Climate change and severe weather drought happening now whole area/population (>90%) slow but significant deterioration high
Energy production and mining mining and quarrying happening now some of area/population (10-49%) slow but significant deterioration medium
Human intrusions and disturbance recreational activities happening now whole area/population (>90%) slow but significant deterioration high
Human intrusions and disturbance work and other activities happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution light pollution happening now some of area/population (10-49%) slow but significant deterioration medium
Residential and commercial development commercial and industrial development happening now some of area/population (10-49%) slow but significant deterioration medium
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 happening now some of area/population (10-49%) moderate to rapid deterioration high
Transportation and service corridors roads and railroads happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Transportation and service corridors utility & service lines happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Wetlands (inland) Rivers and streams  0 0 good (> 90%) good (> 90%) favourable

Aquila chrysaetos Golden Eagle 2 2 breeding pairs 100 favourable

Some of site covered (10-49%)  A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species  Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity  medium 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Alto Lozoya - ES0000057 Birds Directive 7,866 protected area is adjacent to site 0  
Cuenca del r Habitats Directive 63,305 protected area is adjacent to site 0  
Cuenca del r Habitats Directive 49,887 protected area is adjacent to site 0  
Cuenca del r Habitats Directive 34,038 protected area is adjacent to site 0  
Pinar de la Acebeda Nature Area of National Interest 587 protected area contained by site 587  
SIERRA DE GUADARRAMA - ES0000010 Birds Directive 69,090 protected area overlaps with site 38,501  
SIERRA DE GUADARRAMA - ES4160109 Habitats Directive 69,660 protected area overlaps with site 38,296  
VALLES DEL VOLTOYA Y EL ZORITA - ES0000188 Birds Directive 49,375 protected area overlaps with site 13,021  
VALLES DEL VOLTOYA Y EL ZORITA - ES4160111 Habitats Directive 39,661 protected area overlaps with site 11,927  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland; Broadleaved evergreen woodland; Native coniferous woodland  26%
Shrubland Scrub  26%
Grassland Dry siliceous grassland; Humid grasslands  26%
Wetlands (inland) Rivers and streams  -
Artificial - terrestrial Arable land  -

Land use

Land-use Extent (% of site)
forestry 26%
hunting -
agriculture -
tourism/recreation -

Protection status National Partial International Partial587 ha of IBA covered by Natural Site of National Interest (Pinar de la Acebeda, 587 ha). 4,792 ha of IBA covered by Special Protection Area (El Espinar, 4,792 ha). 10,427 ha of IBA covered by Special Protection Area (Pinar de Valsaín, 10,427 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Northern slope of Guadarrama mountain range. Downloaded from http://www.birdlife.org on 28/11/2014

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