HydroBASINS lev08 watershed · #2080572970
Bassin de la Vésubie
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions across 2 countries : Alpes-Maritimes, Cuneo
Sub-basin area
386,3km²
Upstream area
386,3km²
Discharge
9,6m³/s
Mean elev.
1 451m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 386.6 km²99.9% of basin
- 0.5 km²0.1% of basin
16 communes (GADM L5)Available for FRA, RWA
- Saint-Martin-Vésubie95.28 km²98% commune
- Belvédère75.78 km²99% commune
- Lantosque44.52 km²99% commune
- Utelle44.26 km²64% commune
- La Bollène-Vésubie34.62 km²98% commune
- Roquebillière25.37 km²100% commune
- Venanson18.06 km²99% commune
- Lucéram18.01 km²28% commune
- Duranus11.59 km²72% commune
- Valdeblore11.42 km²12% commune
- Levens6.61 km²22% commune
- Saorge0.44 km²1% commune
- Clans0.23 km²1% commune
- Tende0.21 km²0% commune
- Coaraze0.13 km²1% commune
- Moulinet0.04 km²0% commune
10 intersecting protected areas
National Park - Buffer zone/Area of adhesion
136.63 km² overlap
Mercantour
IUCN IINational Park - Core Area
80.57 km² overlap
Le Mercantour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
80.27 km² overlap
Le Mercantour
IUCN Not ReportedSpecial Protection Area (Birds Directive)
80.25 km² overlap
Brec d'Utelle
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
15.34 km² overlap
Gorges de la Vésubie et du Var - mont Vial - mont Férion
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.97 km² overlap
Sites à Spéléomantes de Roquebillière
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.17 km² overlap
Alpi Marittime
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.86 km² overlap
Alpi Marittime
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.86 km² overlap
1 more protected areassorted by overlap area
Regional/Provincial Nature Park
0.82 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
11 584 distinct species · 406 569 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Bassin de la Vésubie : 17 espèces reliées par 139 interactions GloBI sur 6 types (connectance 28.0%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
7,2°C
Annual rain
1 017mm
Moisture idx (CMI)
0,30
Runoff
706mm/an
PET
669mm
AET
570mm
Mean slope
25,8°
Water table
823cm
Forest
71%
Crops
5%
Urban
0%
Protected
56%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)