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Location United Kingdom, South East
Central coordinates 0o 1.36' West  51o 38.31' North
IBA criteria B1i, C3, C6
Area 1,711 ha
Altitude 16 - 29m
Year of IBA assessment 2007

Royal Society for the Protection of Birds



Site description A series of wetlands and reservoirs situated along the River Lea, to the north-east of London. A rich aquatic and marginal flora is present in the reservoirs and streams. The IBA is important for several breeding wetland bird species, including a large heronry, wintering wildfowl and late summer moults of Aythya fuligula.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Gadwall Mareca strepera passage  2001-2006  555 individuals  good  B1i, C3  Least Concern 
Gadwall Mareca strepera winter  2001-2006  704 individuals  good  B1i, C3  Least Concern 
Northern Shoveler Spatula clypeata passage  2001-2006  412 individuals  good  B1i, C3  Least Concern 
Eurasian Bittern Botaurus stellaris winter  2003-2007  4 individuals  good  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Chingford Reservoirs Site of Special Scientific Interest 387 protected area overlaps with site 368  
Lee Valley Birds Directive 448 protected area contained by site 448  
Lee Valley Wetlands of International Importance (Ramsar) 448 protected area contained by site 448  
Turnford & Cheshunt Pits Site of Special Scientific Interest 174 protected area contained by site 174  
Walthamstow Reservoirs Site of Special Scientific Interest 180 protected area contained by site 177  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Grassland Humid grasslands  -
Wetlands (inland) Fens, transition mires and springs; Rivers and streams; Standing freshwater  -

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
military -
nature conservation and research -
tourism/recreation -
urban/industrial/transport -
water management -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Lea Valley. Downloaded from http://www.birdlife.org on 28/07/2014

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