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Location France, Franche-Comté
Central coordinates 6o 12.00' East  46o 51.00' North
IBA criteria C6
Area 12,500 ha
Altitude 850 - 1,100m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux

Site description Deciduous and conifer woodlands, peatbogs, ponds, wet grasslands, rivers and riverine vegetation.

Key Biodiversity The site is of special importance for wet meadow and forest birds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Hazel Grouse Bonasa bonasia breeding  1991  20-50 breeding pairs  C6  Least Concern 
European Honey-buzzard Pernis apivorus breeding  1991  1 breeding pairs  C6  Least Concern 
Milvus migrans breeding  1991  40-50 breeding pairs  C6  Not Recognised 
Corncrake Crex crex breeding  1992  2 breeding pairs  C6  Least Concern 
Spotted Crake Porzana porzana breeding  1991  2-5 breeding pairs  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bassin du Drugeon Wetlands of International Importance (Ramsar) 5,906 protected area overlaps with site 5,988  
FR097 Private Reserve 160 protected area contained by site 160  


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland; Native coniferous woodland  -
Grassland Humid grasslands  -
Wetlands (inland) Raised bogs; Standing freshwater; Water fringe vegetation  -

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
forestry -
hunting -
tourism/recreation -
urban/industrial/transport -

Protection status National Low International None160 ha of IBA covered by Private Reserve (160 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Bassin du Drugeon: Pontarlier-Frasne. Downloaded from on 25/10/2016

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