HydroBASINS lev08 watershed · #2080580070
Bassin de l'Aille
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
281,2km²
Upstream area
281,4km²
Discharge
5,29m³/s
Mean elev.
193m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 281.7 km²100.0% of basin
13 communes (GADM L5)Available for FRA, RWA
- Le Cannet-des-Maures59.11 km²80% commune
- Vidauban51.54 km²68% commune
- Le Luc43.45 km²98% commune
- La Garde-Freinet41.79 km²54% commune
- Gonfaron38.03 km²93% commune
- Les Mayons29.27 km²99% commune
- Les Arcs6.61 km²12% commune
- Flassans-sur-Issole5.51 km²12% commune
- Cabasse2.30 km²5% commune
- Pignans1.51 km²4% commune
- Le Plan-de-la-Tour1.30 km²3% commune
- Le Thoronet0.67 km²2% commune
- Collobrières0.62 km²1% commune
14 intersecting protected areas
La plaine et le massif des Maures
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
107.61 km² overlap
Plaine Des Maures
IUCN IVNational Nature Reserve
52.58 km² overlap
Plaine des Maures
IUCN Not ReportedSpecial Protection Area (Birds Directive)
45.22 km² overlap
Plaine des maures
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
9.35 km² overlap
Saint-André/La Pardiguière
IUCN IVBiotope Protection Order
4.02 km² overlap
Val d'Argens
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.21 km² overlap
Peyloubier
IUCN IVBiotope Protection Order
1.76 km² overlap
ubac des maures
IUCN IVLand acquired by a regional conservatory of natural areas
1.60 km² overlap
Domaine Du Roux-Badelune
IUCN IVBiotope Protection Order
0.34 km² overlap
5 more protected areassorted by overlap area
peyloubier
IUCN IVLand acquired by a regional conservatory of natural areas
0.34 km² overlap
collet des preires
IUCN IVLand acquired by a regional conservatory of natural areas
0.28 km² overlap
pardiguiere
IUCN IVLand acquired by a regional conservatory of natural areas
0.28 km² overlap
Marais de Gavoty - lac de Bonne Cougne - lac Redon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.23 km² overlap
bouchonnerie
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
8 386 distinct species · 326 459 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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'Aille : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 111 interactions GloBI sur 5 types (connectance 14.2%, 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°
13,8°C
Annual rain
780mm
Moisture idx (CMI)
-0,15
Runoff
549mm/an
PET
918mm
AET
613mm
Mean slope
6,8°
Water table
318cm
Forest
62%
Crops
3%
Urban
7%
Protected
20%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)