HydroBASINS lev08 watershed · #2080579330
Bassin de l'Issole
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
448,8km²
Upstream area
448,8km²
Discharge
8,24m³/s
Mean elev.
361m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 449.7 km²100.0% of basin
25 communes (GADM L5)Available for FRA, RWA
- Brignoles71.42 km²99% commune
- Mazaugues44.44 km²84% commune
- Tourves40.88 km²63% commune
- Cabasse40.48 km²89% commune
- Flassans-sur-Issole38.42 km²85% commune
- La Roquebrussanne36.63 km²99% commune
- Besse-sur-Issole28.42 km²77% commune
- Camps-la-Source21.65 km²100% commune
- La Celle21.09 km²100% commune
- Néoules16.63 km²66% commune
- Garéoult16.23 km²100% commune
- Rocbaron16.23 km²80% commune
- Vins-sur-Caramy15.23 km²94% commune
- Forcalqueiret10.66 km²100% commune
- Sainte-Anastasie-sur-Issole9.85 km²89% commune
- Carcès8.00 km²23% commune
- Rougiers5.20 km²25% commune
- Signes2.79 km²2% commune
- Le Val1.96 km²5% commune
- Méounes-lès-Montrieux1.86 km²5% commune
- Le Luc0.91 km²2% commune
- Bras0.46 km²1% commune
- Le Thoronet0.21 km²1% commune
- Cuers0.01 km²0% commune
- Pignans0.00 km²0% commune
11 intersecting protected areas
La Sainte-Baume
IUCN VRegional Nature Park
184.30 km² overlap
Massif de la Sainte-Baume
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
51.51 km² overlap
Val d'Argens
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7.22 km² overlap
Biotope Protection Order
0.61 km² overlap
Marais de Gavoty - lac de Bonne Cougne - lac Redon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.55 km² overlap
cambarette
IUCN IVLand acquired by a regional conservatory of natural areas
0.27 km² overlap
lac redon
IUCN IVLand acquired by a regional conservatory of natural areas
0.21 km² overlap
pifforan
IUCN IVLand acquired by a regional conservatory of natural areas
0.11 km² overlap
mare de bayonny
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
2 more protected areassorted by overlap area
lac gavoty
IUCN IVLand acquired by a regional conservatory of natural areas
0.01 km² overlap
canteperdrix
IUCN IVLand acquired by a regional conservatory of natural areas
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 207 distinct species · 332 266 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 Bassin de l'Issole : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 124 interactions GloBI sur 5 types (connectance 19.7%, filtre Serrano α=0.2). 20 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°
12,9°C
Annual rain
754mm
Moisture idx (CMI)
-0,15
Runoff
501mm/an
PET
891mm
AET
601mm
Mean slope
7,1°
Water table
366cm
Forest
69%
Crops
5%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)