HydroBASINS lev08 watershed · #2080579970
Bassin de l'Argens
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 : Var
Sub-basin area
282,5km²
Upstream area
1 697,6km²
Discharge
31,47m³/s
Mean elev.
223m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Bresque268 km²
- Bassin de l'Argens7 km²
1 dept-equivalent regions (GADM L2)
- 283.0 km²100.0% of basin
17 communes (GADM L5)Available for FRA, RWA
- Lorgues64.24 km²100% commune
- Flayosc44.25 km²96% commune
- Les Arcs34.22 km²63% commune
- Le Thoronet31.63 km²86% commune
- Vidauban18.92 km²25% commune
- Saint-Antonin-du-Var17.75 km²99% commune
- Taradeau17.62 km²100% commune
- Draguignan15.64 km²29% commune
- Le Cannet-des-Maures14.24 km²19% commune
- Entrecasteaux7.63 km²23% commune
- Tourtour4.75 km²16% commune
- Trans-en-Provence3.52 km²21% commune
- Ampus3.18 km²4% commune
- Cabasse2.84 km²6% commune
- Villecroze1.25 km²6% commune
- Salernes0.83 km²2% commune
- Carcès0.53 km²2% commune
6 intersecting protected areas
Val d'Argens
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
29.79 km² overlap
Sources et tufs du Haut Var
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.30 km² overlap
Peyloubier
IUCN IVBiotope Protection Order
0.30 km² overlap
ponts naturels d\'entraigues
IUCN IVLand acquired by a regional conservatory of natural areas
0.07 km² overlap
Special Areas of Conservation (Habitats Directive)
0.02 km² overlap
peyloubier
IUCN IVLand acquired by a regional conservatory of natural areas
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 496 distinct species · 220 135 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 l'Argens : 23 espèces reliées par 100 interactions GloBI sur 5 types (connectance 12.8%, filtre Serrano α=0.2). 17 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°
13,5°C
Annual rain
779mm
Moisture idx (CMI)
-0,16
Runoff
515mm/an
PET
924mm
AET
618mm
Mean slope
6,0°
Water table
332cm
Forest
74%
Crops
2%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)