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The site was identified as internationally important for bird conservation in 2000 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Great Crested Grebe Podiceps cristatus	LC	winter (1998)	3,000–4,000 birds	A4i, B1i
Great Cormorant Phalacrocorax carbo	LC	winter (1998)	1,600–3,900 birds	A4i, B1i

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2000. The most recent assessment (2010) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Human intrusions and disturbance	happe­ning now	most of popul­ation/area (50–90%)	no or slight decline (<1% over 3 gener­ations)	low
Agricultural expansion and intensification	happe­ning now	some of popul­ation/area (10–49%)	no or slight decline (<1% over 3 gener­ations)	low
Invasive and other problematic species and genes	happe­ning now	some of popul­ation/area (10–49%)	no or slight decline (<1% over 3 gener­ations)	low
Residential and commercial development	happe­ning now	few indivi­duals/small area (<10%)	no or slight decline (<1% over 3 gener­ations)	low
Energy production and mining	happe­ning now	few indivi­duals/small area (<10%)	no or slight decline (<1% over 3 gener­ations)	low
Pollution	happe­ning now	few indivi­duals/small area (<10%)	no or slight decline (<1% over 3 gener­ations)	low
Climate change and severe weather	likely in long term (>4 years)	some of popul­ation/area (10–49%)	no or slight decline (<1% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>90%) covered by appropriate conservation designation	A management plan exists, but it is out of date or not compre­hensive	Substantive conservation measures are being implemented, but these are not compre­hensive and are limited by resources and capacity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

Year	Protected Area	Designation (management category)	% coverage of IBA
1977	Les Grangettes	Landscapes and Natural Monuments of National Importance (V)	16
1991	Les Grangettes (VD,VS)	Bundesinventar der Wasser- und Zugvogelreservate von internationaler und nationaler Bedeutung (IV)	95
1992	Les Grangettes	Bundesinventar der Auengebiete von nationaler Bedeutung (IV)	6
1994	Gros Brasset	Bundesinventar der Flachmoore von nationaler Bedeutung (IV)	1
1994	La Muraz	Bundesinventar der Flachmoore von nationaler Bedeutung (IV)	<1
1994	L'Aulagniez	Bundesinventar der Flachmoore von nationaler Bedeutung (IV)	<1
1994	Les Saviez	Bundesinventar der Flachmoore von nationaler Bedeutung (IV)	<1
1998	Clos Montet	Bundesinventar der Flachmoore von nationaler Bedeutung (IV)	<1
1998	Tour d'Aï-Dent de Corjon	Landscapes and Natural Monuments of National Importance (V)	2
2004	Les Grangettes	Mire Landscapes of National Importance (V)	16
2017	Les Grangettes	Federal Inventory of Amphibian Spawning Areas of National Importance (IV)	9
2017	Châtelet	Federal Inventory of Amphibian Spawning Areas of National Importance (IV)	<1

Habitat	% of IBA	Habitat detail
Wetlands (inland)	85	Standing freshwater; Rivers and streams; Water fringe vegetation; Fens, transition mires and springs
Forest	6	Broadleaved deciduous woodland; Alluvial and very wet forest
Grassland	4	Humid grasslands; Mesophile grasslands
Artificial/Terrestrial	2	Urban parks and gardens; Other urban and industrial areas
Rocky areas (eg. inland cliffs, mountain peaks)	2	Scree & boulders

Land use	% of IBA
agriculture	4
urban/industrial/transport	3
forestry	minor (<10)
fisheries/aquaculture	-
tourism/recreation	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Geneva: Grangettes (Switzerland). Downloaded from https://datazone.birdlife.org/site/factsheet/lake-geneva:-grangettes-iba-switzerland on 23/12/2024.