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close| Location | France, Rhône-Alpes |
| Central coordinates | 6o 31.00' East 46o 22.00' North |
| IBA criteria | A4i, A4iii, B1i, C3, C4 |
| Area | 24,300 ha |
| Altitude | 372 m |
| Year of IBA assessment | 2000 |
Ornithological information The area is of international importance for wintering and passage waterbirds. The site holds 20,000 or more waterbirds in winter, on a regular basis. Species of global conservation concern that do not meet IBA criteria: Aythya nyroca (wintering). All bird data are for the French part of the lake only.
Site description French part of Lake Geneva with reedbeds (Phragmites), marshes and aquatic vegetation (Swiss part of the lake contains IBAs 007, 008, 009).
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Tufted Duck Aythya fuligula | winter | 1997 | 4,671-19,823 individuals | - | A4i | Least Concern |
| Greater Scaup Aythya marila | winter | 1997 | 3-13 individuals | - | A4i, B1i, C3 | Least Concern |
| Great Crested Grebe Podiceps cristatus | winter | 1997 | 1,584-9,351 individuals | - | B1i, C3 | Least Concern |
| Great Crested Grebe Podiceps cristatus | passage | 1997 | 20,000 individuals | - | A4i, B1i, C3 | Least Concern |
| A4iii Species group - waterbirds | passage | 1997 | - | unknown | A4iii, C4 |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Baie de Sciez | Hunting Reserve | 1,920 | protected area contained by site | 1,920 | |
| Delta de la Dranse | National Nature Reserve | 52 | protected area contained by site | 52 |
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| DELTA DE LA DRANSE - FR8201719 | Habitats Directive | 53 | protected area overlaps with site | 47 | |
| DELTA DE LA DRANSE - FR8210018 | Birds Directive | 53 | protected area overlaps with site | 47 | |
| Hermance | Hunting Reserve | 520 | protected area contained by site | 520 | |
| LAC LEMAN - FR8212020 | Birds Directive | 1,251 | protected area overlaps with site | 1,130 | |
| Rives du Lac Léman | Wetlands of International Importance (Ramsar) | 3,335 | protected area contained by site | 3,335 |
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Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Wetlands (inland) | Standing freshwater; Water fringe vegetation | - |
Land use
| Land-use | Extent (% of site) |
|---|---|
| fisheries/aquaculture | - |
| hunting | - |
| tourism/recreation | - |
Management considerations The lake is threatened by pollution from urban areas that is causing eutrophication. Fishing causes disturbance to wintering birds.
Protection status National Low International Partial52 ha of IBA covered by Nature Reserve (Delta de la Dranse, 52 ha). 1,440 ha of IBA covered by 2 Hunting Reserves (Baie de Sciez; Hermance; total area 1,440 ha). 45 ha of IBA covered by Special Protection Area (Lac Léman: Delta de la Dranse, 45 ha). 3,335 ha of IBA covered by Ramsar Site (Rives du Lac Léman, 3,335 ha).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Lac Léman (partie française). Downloaded from http://www.birdlife.org on 24/05/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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