Wetland of International Importance (Ramsar Site) · CHE
Les Grangettes
- Area
- 63 km²
- IUCN cat.
- IV
- Year
- 1990
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1990
- Managing authority
- Fondation les Grangettes (1) Canton de Vaud, Département du territoire et de l'environnement, ... (2) Canton du Valais, Service de la chasse, de la pêche et de la faune (SCPF), ... (3)
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Les Grangettes : 31 espèces reliées par 116 interactions GloBI sur 6 types (connectance 14.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 1 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
15,8km
Lake surface here
53,32km²
Basins crossed
1
Max stream order
5
Max drainage
6 393km²
Discharge in basins
6,7m³/s
Mean precip.
1 187mm/an
Mean T°
6,6°C
Moisture idx
0,31
Max snow
25%
Mean runoff
880mm/an
Mean elev. (basins)
1 031m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (9, ord ≥ 4)
- L'Avessanord 1len here6.15 km54%total11 km
- Vieux-Rhôneord 5len here5.47 km100%total5 km
- La Tinièreord 1len here1.53 km28%total5 km
- Eau Froideord 1len here0.76 km8%total10 km
- La Verayeord 2len here0.63 km29%total2 km
- Canal Stockalperord 2len here0.58 km8%total8 km
- La Denèveord 2len here0.47 km6%total8 km
- Ruisseau des Vaunaisesord 1len here0.26 km5%total5 km
- Le Rhôneord 7len here≈ tangenttotal554 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 46.41786, 6.87203
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.