HydroBASINS lev08 watershed · #2080501410
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 1 administrative regions : Loir-et-Cher
Sub-basin area
1,4km²
Upstream area
11 553,9km²
Discharge
84,97m³/s
Mean elev.
75m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Sauldre2271 km²
- Bassin du Cher283 km²
1 dept-equivalent regions (GADM L2)
- 1.4 km²100.0% of basin
2 communes (GADM L5)Available for FRA, RWA
- Selles-sur-Cher0.81 km²3% commune
- Châtillon-sur-Cher0.59 km²2% commune
5 intersecting protected areas
Vallée du Cher et coteaux, forêt de Grosbois
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.46 km² overlap
Prairies du Fouzon
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.45 km² overlap
chatillon sur cher
IUCN IVLand acquired by a regional conservatory of natural areas
0.12 km² overlap
tour au lievre (la)
IUCN IVLand acquired by a regional conservatory of natural areas
0.03 km² overlap
prairies du fouzon (les)
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 093 distinct species · 5 101 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 91 interactions GloBI documentées sur 5 types (connectance 11.7%, filtre Serrano α=0.2). Les 4 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°
11,3°C
Annual rain
667mm
Moisture idx (CMI)
-0,23
Runoff
215mm/an
PET
868mm
AET
563mm
Mean slope
0,6°
Water table
4cm
Forest
0%
Crops
58%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)