HydroBASINS lev08 watershed · #2080525500
Bassin du Chat Cros
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 : Creuse
Sub-basin area
114,1km²
Upstream area
964,6km²
Discharge
9,12m³/s
Mean elev.
483m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Voueize435 km²
- Bassin de Tardes416 km²
1 dept-equivalent regions (GADM L2)
- 114.4 km²100.0% of basin
12 communes (GADM L5)Available for FRA, RWA
- Évaux-les-Bains25.51 km²56% commune
- Reterre17.70 km²100% commune
- Arfeuille-Châtain17.24 km²85% commune
- Budelière17.11 km²69% commune
- Saint-Julien-la-Genête10.97 km²93% commune
- Chambon-sur-Voueize9.31 km²27% commune
- Sannat8.01 km²23% commune
- Rougnat6.36 km²15% commune
- Fontanières1.56 km²10% commune
- Viersat0.41 km²1% commune
- Mainsat0.12 km²0% commune
- Bussière-Nouvelle0.09 km²1% commune
1 intersecting protected areas
Gorges de la Tardes et Vallée du Cher
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.54 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 514 distinct species · 11 634 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 du Chat Cros : 40 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 79 interactions GloBI documentées sur 5 types (connectance 8.7%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
9,8°C
Annual rain
802mm
Moisture idx (CMI)
-0,08
Runoff
311mm/an
PET
871mm
AET
650mm
Mean slope
3,9°
Water table
356cm
Forest
1%
Crops
9%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)