HydroBASINS lev08 watershed · #2080525510
Bassin du Cher
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 3 administrative regions : Allier, Creuse, Puy-de-Dôme
Sub-basin area
572,4km²
Upstream area
572,4km²
Discharge
5,56m³/s
Mean elev.
562m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 236.7 km²41.2% of basin
- 223.1 km²38.9% of basin
- 114.0 km²19.9% of basin
48 communes (GADM L5)Available for FRA, RWA
- Dontreix40.08 km²83% commune
- Rougnat35.18 km²85% commune
- Marcillat-en-Combraille34.81 km²100% commune
- Saint-Maurice-près-Pionsat31.34 km²100% commune
- Charron29.84 km²100% commune
- Pionsat24.90 km²100% commune
- Le Quartier20.76 km²88% commune
- Saint-Maigner19.57 km²100% commune
- Évaux-les-Bains18.72 km²41% commune
- La Crouzille18.46 km²96% commune
- Saint-Hilaire18.01 km²100% commune
- Virlet17.22 km²100% commune
- Ronnet16.86 km²85% commune
- Le Compas16.85 km²100% commune
- Charensat16.30 km²34% commune
- La Petite-Marche14.84 km²100% commune
- Fontanières14.54 km²90% commune
- Bussières13.35 km²100% commune
- Chard13.31 km²96% commune
- Les Mars13.09 km²100% commune
- Chambonchard12.64 km²100% commune
- Château-sur-Cher11.83 km²100% commune
- Saint-Marcel-en-Marcillat11.30 km²100% commune
- Terjat10.77 km²58% commune
- La Cellette10.64 km²100% commune
- Saint-Fargeol10.53 km²100% commune
- Mazirat8.60 km²43% commune
- Vergheas7.42 km²100% commune
- Auzances6.80 km²100% commune
- Arpheuilles-Saint-Priest6.25 km²32% commune
- Ars-les-Favets6.14 km²43% commune
- Espinasse5.74 km²24% commune
- Roche-d'Agoux5.57 km²100% commune
- Mérinchal5.01 km²11% commune
- Youx4.66 km²24% commune
- Sermur4.44 km²22% commune
- Brousse3.57 km²100% commune
- Bussière-Nouvelle3.44 km²39% commune
- Montaigut3.17 km²38% commune
- Châtelard2.54 km²100% commune
- Lioux-les-Monges2.19 km²29% commune
- Saint-Julien-la-Genête0.79 km²7% commune
- Gouttières0.64 km²2% commune
- Biollet0.59 km²3% commune
- Saint-Julien-la-Geneste0.34 km²3% commune
- Arfeuille-Châtain0.06 km²0% commune
- Reterre0.04 km²0% commune
- Teilhet0.00 km²0% commune
2 intersecting protected areas
Gorges de la Tardes et Vallée du Cher
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.48 km² overlap
Land acquired by a regional conservatory of natural areas
0.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 460 distinct species · 89 362 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Cher : 31 espèces + 6 bulles famille, 75 interactions GloBI documentées sur 7 types (connectance 11.3%, filtre Serrano α=0.2). Les 6 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°
9,4°C
Annual rain
800mm
Moisture idx (CMI)
-0,07
Runoff
317mm/an
PET
857mm
AET
650mm
Mean slope
4,8°
Water table
376cm
Forest
5%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)