Rivière· 3 segments
L'Annaz
Crosses 3 administrative regions : Ain, Genève, Haute-Savoie
Total length
8km
Max discharge
329,7m³/s
Max Strahler
5
Segments matched
3
River geography3 admin regions · 7 communes
3 administrative regions crossed (GADM L2)
- AinAuvergne-Rhône-Alpes · France8.1 kmin this dpt
- GenèveGenève · Switzerland0.5 kmin this dpt
- Haute-SavoieAuvergne-Rhône-Alpes · France0.0 kmin this dpt
7 communes (L5)For countries with L5
21 intersecting protected areas
Haut-Jura
IUCN VRegional Nature Park
Crêts du Haut-Jura
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Crêts du haut-Jura
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Complexe alluvial du Rhône genevois
IUCN Not ReportedEmerald Network
Complexe alluvial du Rhône genevois
IUCN Not AssignedEmerald Sites
Rhône-Verbois (GE)
IUCN IVFederal Inventory of Reserves for Waterbirds and Migratory Birds of International and National Imp.
Le Rhone genevois - Vallons de l Allondon et de la Laire
IUCN Not AssignedRAMSAR Sites
Wetland of International Importance (Ramsar Site)
Etournel et defilé de l'Ecluse
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12 more protected areassorted by area
Etournel et défilé de l'Ecluse
IUCN Not ReportedSpecial Protection Area (Birds Directive)
L\'Etournel
IUCN IVBiotope Protection Order
Vallon de la Laire
IUCN Not AssignedForest Reserves
Raclerets
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
bois de ban
IUCN IVLand acquired by a regional conservatory of natural areas
Vallon de la Laire
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Vallon du Longet
IUCN Not AssignedForest Reserves
Vers Vaux
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Bois des Bouchets
IUCN Not AssignedForest Reserves
Embouchure de la Laire (grand périmètre)
IUCN Not AssignedForest Reserves
La Coulouvrière
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Vers Vaux
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 643 distinct species · 57 270 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de L'Annaz : 29 espèces + 4 bulles famille, 78 interactions GloBI documentées sur 5 types (connectance 14.8%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
8km
Max discharge
329,7m³/s
Max Strahler
5
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.