HydroBASINS lev08 watershed · #2080551290
Bassin de l'Isle
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 : Gironde
Sub-basin area
8,4km²
Upstream area
6 605,3km²
Discharge
111,61m³/s
Mean elev.
24m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Dronne2790 km²
- Bassin de l'Isle1957 km²
1 dept-equivalent regions (GADM L2)
- 8.5 km²100.0% of basin
6 communes (GADM L5)Available for FRA, RWA
- Saint-Denis-de-Pile2.79 km²10% commune
- Sablons2.76 km²23% commune
- Abzac0.95 km²7% commune
- Les Artigues-de-Lussac0.76 km²7% commune
- Guîtres0.73 km²15% commune
- Coutras0.48 km²1% commune
1 intersecting protected areas
Vallée de l'Isle de Périgueux à sa confluence avec la Dordogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.38 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 684 distinct species · 10 284 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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'Isle : 29 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 133 interactions GloBI sur 5 types (connectance 14.1%, 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°
12,6°C
Annual rain
879mm
Moisture idx (CMI)
-0,09
Runoff
507mm/an
PET
970mm
AET
669mm
Mean slope
0,9°
Water table
44cm
Forest
0%
Crops
38%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)