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Location United Kingdom, South East
Central coordinates 0o 51.04' West  51o 5.29' North
IBA criteria B2, C6
Area 5,159 ha
Altitude 37 - 260m
Year of IBA assessment 2007

Royal Society for the Protection of Birds



Site description Extensive heathland fragments located in north-east Hampshire, south-west Surrey and West Sussex, overlying the acidic soils of the Folkstone and Sandgate Beds. The IBA comprises areas of heath, mire and woodland, and supports breeding populations of specialist heathland birds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
European Nightjar Caprimulgus europaeus breeding  2004  197 breeding pairs  good  B2, C6  Least Concern 
Wood Lark Lullula arborea resident  2006  123 breeding pairs  good  C6  Least Concern 
Dartford Warbler Sylvia undata resident  2006  334 breeding pairs  good  C6  Near Threatened 

IBA Monitoring

2007 medium favourable medium
Population
Good - based on reliable and complete / representative data

Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming happening now some of area/population (10-49%) slow but significant deterioration medium
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
Invasive and other problematic species and genes problematic native species/diseases - unspecified species happening now small area/few individuals (<10%) slow but significant deterioration low
Natural system modifications dams & water management/use - small dams likely in short term (within 4 years) small area/few individuals (<10%) moderate to rapid deterioration low
Natural system modifications other ecosystem modifications happening now some of area/population (10-49%) slow but significant deterioration medium
Residential and commercial development housing and urban areas likely in short term (within 4 years) some of area/population (10-49%) moderate to rapid deterioration medium

Caprimulgus europaeus European Nightjar 140 197 males only 100 favourable
Lullula arborea Wood Lark 44 123 males only 100 favourable
Sylvia undata Dartford Warbler 160 334 males only 100 favourable

Most of site (50-90%) covered (including the most critical parts for important bird species)  A management plan exists but it is out of date or not comprehensive  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)  
Bramshott and Ludshott Commons Site of Special Scientific Interest 371 protected area contained by site 375  
Devil's Punch Bowl Site of Special Scientific Interest 283 protected area contained by site 280  
South Downs National Park 0 protected area overlaps with site 1,354  
Surrey Hills Area of Outstanding Natural Beauty 41,900 protected area overlaps with site 2,147  
Sussex Downs Area of Outstanding Natural Beauty 98,300 protected area overlaps with site 1,268  
Thursley National Nature Reserve 323 protected area contained by site 318  
Thursley and Ockley Bogs Wetlands of International Importance (Ramsar) 265 protected area contained by site 265  
Thursley, Hankley & Frensham Commons Site of Special Scientific Interest 1,880 protected area contained by site 1,870  
Thursley, Hankley and Frensham Commons Birds Directive 1,872 protected area contained by site 1,872  
Thursley, Hankley, Frensham Commons Site of Special Scientific Interest (SSSI) 1,551 protected area contained by site 1,551  
Wealden Heaths Phase II Birds Directive 1,949 protected area contained by site 1,949  
Woolmer Forest Site of Special Scientific Interest 1,299 protected area contained by site 1,294  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland; Mixed woodland  -
Shrubland Heathland; Scrub  -
Grassland Dry siliceous grassland  -
Wetlands (inland) Fens, transition mires and springs; Standing freshwater  -

Land use

Land-use Extent (% of site)
agriculture -
forestry -
military -
nature conservation and research -
tourism/recreation -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Wealden Heaths. Downloaded from http://www.birdlife.org on 23/12/2014

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