HydroBASINS lev08 watershed · #2080573590
Bassin du Var
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 1 administrative regions : Alpes-Maritimes
Sub-basin area
9,6km²
Upstream area
2 251,3km²
Discharge
47,61m³/s
Mean elev.
341m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Vésubie386 km²
- Bassin du Var23 km²
1 dept-equivalent regions (GADM L2)
- 9.7 km²100.0% of basin
6 communes (GADM L5)Available for FRA, RWA
- Bonson3.37 km²54% commune
- La Roquette-sur-Var2.54 km²59% commune
- Gilette1.97 km²18% commune
- Levens1.37 km²5% commune
- Saint-Martin-du-Var0.31 km²6% commune
- Utelle0.09 km²0% commune
4 intersecting protected areas
Préalpes D’Azur
IUCN VRegional Nature Park
5.47 km² overlap
Basse Vallée du Var
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.80 km² overlap
Gorges de la Vésubie et du Var - mont Vial - mont Férion
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.56 km² overlap
Bec De L\'Esteron
IUCN IVBiotope Protection Order
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 212 distinct species · 95 229 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 du Var : 25 espèces reliées par 145 interactions GloBI sur 5 types (connectance 20.6%, filtre Serrano α=0.2). 13 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°
13,3°C
Annual rain
818mm
Moisture idx (CMI)
-0,08
Runoff
678mm/an
PET
887mm
AET
629mm
Mean slope
20,1°
Water table
1 103cm
Forest
24%
Crops
1%
Urban
53%
Protected
56%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)