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Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Goosander Mergus merganser	LC	resident	1996	65-75 breeding pairs	B1i
Great Crested Grebe Podiceps cristatus	LC	winter	1998	2,000-7,000 individuals	A4i, B1i

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Threats to the site (pressure)
Threat Level 1	Threat Level 2	Timing	Scope	Severity	Result
Human intrusions and disturbance	recreational activities	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Human intrusions and disturbance	work and other activities	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Natural system modifications	dams & water management/use - large dams	likely in long term (beyond 4 years)	majority/most of area/population (50-90%)	moderate to rapid deterioration	medium
Residential and commercial development	housing and urban areas	likely in short term (within 4 years)	whole area/population (>90%)	no or imperceptible deterioration	low
Residential and commercial development	tourism and recreation areas	likely in short term (within 4 years)	whole area/population (>90%)	no or imperceptible deterioration	low
Transportation and service corridors	roads and railroads	likely in long term (beyond 4 years)	some of area/population (10-49%)	no or imperceptible deterioration	low

Conservation actions taken at site (response)
Conservation Designation	Management Planning	Conservation Action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A management plan exists but it is out of date or not comprehensive	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	medium

For more information about IBA monitoring please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Rive gauche du Petit-Lac (GE)	Bundesinventar der Wasser- und Zugvogelreservate von internationaler und nationaler Bedeutung	636	protected area contained by site	635
Rive droite du Petit-Lac (GE, VD)	Bundesinventar der Wasser- und Zugvogelreservate von internationaler und nationaler Bedeutung	642	protected area contained by site	332
Rhône-Verbois (GE)	Bundesinventar der Wasser- und Zugvogelreservate von internationaler und nationaler Bedeutung	1,934	protected area is adjacent to site	0
Pointe à la Bise	Bundesinventar der Amphibienlaichgebiete von nationaler Bedeutung	55	protected area overlaps with site	0
Mies / Versoix	Federal Inventory of Reserves for Waterbirds and Migratory Birds of International and National Imp.	310	protected area contained by site	310
Le Rhône genevois-Vallons de l'Allondon et de La Laire	Ramsar Site, Wetland of International Importance	1,929	protected area is adjacent to site	0
Le Rhone genevois - Vallons de l Allondon et de la Laire	Ramsar Site, Wetland of International Importance	1,929	protected area is adjacent to site	0
Complexe alluvial du Rhône genevois	Smaragd-Gebiete	2,628	protected area is adjacent to site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Wetlands (inland)	Standing freshwater	-
Artificial/Terrestrial	Urban parks and gardens, Other urban and industrial areas	-

For further information about the habitat classification please click here.

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

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Lake Geneva: Versoix and Hermance to Geneva. Downloaded from http://www.birdlife.org on 30/01/2023.