HydroBASINS lev08 watershed · #2080522830
Bassin de la Vienne
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 2 administrative regions : Charente, Vienne
Sub-basin area
245,1km²
Upstream area
5 111,5km²
Discharge
58,96m³/s
Mean elev.
161m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Vienne484 km²
- Bassin de l'Issoire284 km²
2 dept-equivalent regions (GADM L2)
- 197.9 km²80.5% of basin
- 47.8 km²19.5% of basin
16 communes (GADM L5)Available for FRA, RWA
- Le Vigeant59.08 km²90% commune
- Availles-Limouzine44.71 km²78% commune
- Queaux34.27 km²64% commune
- Abzac30.72 km²91% commune
- Millac29.78 km²73% commune
- Moussac18.00 km²73% commune
- Lessac15.70 km²46% commune
- L'Isle-Jourdain4.99 km²85% commune
- Persac4.40 km²7% commune
- Usson-du-Poitou0.86 km²1% commune
- Brillac0.80 km²2% commune
- Luchapt0.70 km²3% commune
- Asnières-sur-Blour0.69 km²2% commune
- Oradour-Fanais0.59 km²2% commune
- Gouex0.29 km²2% commune
- Saint-Martin-l'Ars0.14 km²0% commune
3 intersecting protected areas
Vallée de la Crochatière
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.19 km² overlap
iles de la vienne
IUCN IVLand acquired by a regional conservatory of natural areas
0.01 km² overlap
Vallée de l'Issoire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 481 distinct species · 146 803 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 la Vienne : 25 espèces reliées par 107 interactions GloBI sur 6 types (connectance 14.4%, filtre Serrano α=0.2). 14 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°
11,4°C
Annual rain
854mm
Moisture idx (CMI)
-0,06
Runoff
338mm/an
PET
913mm
AET
649mm
Mean slope
2,2°
Water table
153cm
Forest
1%
Crops
25%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)