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NL099
De Hamert/Bergerbossen
Location Netherlands, Limburg
Central coordinates 6o 10.00' East  51o 31.00' North
IBA criteria C6
Area 4,030 ha
Altitude 18 - 31m
Year of IBA assessment 2000

Vogelbescherming Nederland



Site description A 20-km-long area of heathland and forest with scrub, fen, hedges and some cultivated land. Forest stands consist of conifer plantations and deciduous/mixed woodlands of various ages and under varying management regimes. The site is situated on the east bank of the River Maas (also known as `Maasduinen'), between the villages of Heijen and Arcen.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Nightjar Caprimulgus europaeus breeding  1993  43 breeding pairs  medium  C6  Least Concern 
Black woodpecker Dryocopus martius resident  1993  29 breeding pairs  poor  C6  Least Concern 
Wood Lark Lullula arborea breeding  1993  151 breeding pairs  medium  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bergerbos Nature Reserve 598 protected area contained by site 598  
Bosserheide Nature Reserve 113 protected area contained by site 113  
De Hamert National Park 1,460 protected area contained by site 1,460  
Eckeltse Bergen Nature Reserve with Management Subsidy 103 protected area contained by site 123  
Heideterreinen Bergen Natural Monument 444 protected area contained by site 444  
Landgoed De Hamert Nature Reserve with Management Subsidy 657 protected area contained by site 824  
Rode Hoek Nature Reserve 137 protected area contained by site 137  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Shrubland Heathland  27%
Artificial landscapes (terrestrial) Forestry plantations  67%

Land use

Land-use Extent (% of site)
water management 5%
forestry 45%
hunting 65%
nature conservation and research 44%
tourism/recreation 50%

Protection status National Partial International Partial444 ha of IBA covered by Natural Monument (Heideterreinen Bergen, 444 ha). 598 ha of IBA covered by Nature Reserve (Bergerbos, 598 ha). 113 ha of IBA covered by Nature Reserve (Bosserheide, 113 ha). 123 ha of IBA covered by Nature Reserve (Eckeltse Bergen, 123 ha). 824 ha of IBA covered by Nature Reserve (Landgoed de Hamert, 824 ha). 137 ha of IBA covered by Nature Reserve (Rode Hoek, 137 ha). 1,460 ha of IBA covered by National Park (De Hamert, 1,460 ha). 1,460 ha of IBA covered by Special Protection Area (De Hamert, 1,460 ha).

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Recommended citation  BirdLife International (2013) Important Bird Areas factsheet: De Hamert/Bergerbossen. Downloaded from http://www.birdlife.org on 25/05/2013

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