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Location Belgium, Vlaams Gewest
Central coordinates 5o 27.00' East  50o 57.00' North
IBA criteria C6
Area 600 ha
Altitude 40 - 60m
Year of IBA assessment 2000

BirdLife Belgium

Site description An extremely diverse area in the Striemerbeek valley, with heathland, marshes, oligotrophic and mesotrophic ponds, wet woodlands and inland dunes.

Key Biodiversity The IBA is a breeding site for reedbed species.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Bittern Botaurus stellaris breeding  2 breeding pairs  good  C6  Least Concern 
Wood Lark Lullula arborea breeding  1993  5-10 breeding pairs  medium  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
De Maten Nature Reserve 213 protected area contained by site 213  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland  20%
Shrubland Heathland  25%
Grassland   5%
Wetlands (inland) Fens, transition mires and springs; Standing freshwater; Water fringe vegetation  30%
Artificial - terrestrial Arable land  20%

Land use

Land-use Extent (% of site)
agriculture 30%
nature conservation and research 30%
urban/industrial/transport 10%
tourism/recreation 10%
fisheries/aquaculture 15%

Protection status National Partial International High213 ha of IBA covered by Nature Reserve (De Maten, 213 ha). 600 ha of IBA covered by Special Protection Area (De Maten, 600 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: De Maten. Downloaded from on 25/10/2016

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