HydroBASINS lev08 watershed · #2080495550
Bassin du Beuvron
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 : Cher, Loir-et-Cher, Loiret
Sub-basin area
1 404,9km²
Upstream area
1 405,2km²
Discharge
10m³/s
Mean elev.
116m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1213.7 km²86.1% of basin
- 105.1 km²7.5% of basin
- 90.0 km²6.4% of basin
66 communes (GADM L5)Available for FRA, RWA
- Saint-Viâtre78.56 km²79% commune
- Nouan-le-Fuzelier74.49 km²85% commune
- Neung-sur-Beuvron65.10 km²100% commune
- Chaumont-sur-Tharonne62.81 km²78% commune
- Brinon-sur-Sauldre61.69 km²52% commune
- Cerdon61.27 km²92% commune
- Vernou-en-Sologne54.50 km²100% commune
- Millançay53.58 km²87% commune
- Fontaines-en-Sologne50.53 km²100% commune
- Marcilly-en-Gault44.01 km²77% commune
- Vouzon38.68 km²50% commune
- Montrieux-en-Sologne34.16 km²100% commune
- Cheverny33.35 km²100% commune
- Contres33.03 km²90% commune
- Chaon31.17 km²100% commune
- Dhuizon31.11 km²68% commune
- Cour-Cheverny29.52 km²100% commune
- Veilleins28.83 km²62% commune
- Souvigny-en-Sologne28.76 km²70% commune
- Neuvy28.17 km²89% commune
- Courmemin26.17 km²100% commune
- Bauzy26.15 km²100% commune
- La Marolle-en-Sologne24.89 km²100% commune
- Lamotte-Beuvron23.53 km²99% commune
- Pierrefitte-sur-Sauldre23.31 km²31% commune
- Tour-en-Sologne22.91 km²86% commune
- Isdes21.68 km²49% commune
- Mur-de-Sologne21.42 km²40% commune
- Cellettes20.71 km²97% commune
- Yvoy-le-Marron18.16 km²35% commune
- Mont-près-Chambord16.81 km²59% commune
- Argent-sur-Sauldre16.65 km²25% commune
- Monthou-sur-Bièvre16.23 km²96% commune
- Fresnes16.18 km²100% commune
- Sambin15.84 km²75% commune
- Feings15.74 km²93% commune
- Chitenay15.69 km²100% commune
- Soings-en-Sologne14.88 km²41% commune
- Fougères-sur-Bièvre14.09 km²99% commune
- Ouchamps13.73 km²100% commune
- Clémont11.06 km²22% commune
- Villemurlin10.82 km²22% commune
- Sassay10.81 km²65% commune
- Coullons10.70 km²13% commune
- Villeny10.06 km²28% commune
- Cormeray10.01 km²100% commune
- Valaire6.33 km²99% commune
- Les Montils6.17 km²68% commune
- Seur3.69 km²100% commune
- Oisly3.54 km²32% commune
- Chaumont-sur-Loire2.99 km²11% commune
- Chailles2.62 km²14% commune
- Candé-sur-Beuvron2.50 km²17% commune
- Bracieux2.48 km²100% commune
- La Ferté-Beauharnais2.42 km²100% commune
- Thoury1.39 km²9% commune
- Saint-Gervais-la-Forêt0.89 km²10% commune
- Vineuil0.72 km²3% commune
- Saint-Florent0.68 km²2% commune
- Blancafort0.64 km²1% commune
- Chémery0.16 km²0% commune
- Couddes0.11 km²1% commune
- Pontlevoy0.04 km²0% commune
- Thenay0.01 km²0% commune
- Selles-Saint-Denis0.01 km²0% commune
- Romorantin-Lanthenay0.00 km²0% commune
5 intersecting protected areas
Sologne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1140.13 km² overlap
Étangs de Sologne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
226.83 km² overlap
Etangs De Saint Viatre
IUCN IVBiotope Protection Order
23.69 km² overlap
etang de beaumont (l\')
IUCN IVLand acquired by a regional conservatory of natural areas
0.36 km² overlap
Domaine de Chambord
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 987 distinct species · 562 905 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Beuvron : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 4 types (connectance 15.9%, filtre Serrano α=0.2). 10 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°
11,0°C
Annual rain
663mm
Moisture idx (CMI)
-0,23
Runoff
224mm/an
PET
858mm
AET
559mm
Mean slope
1,0°
Water table
99cm
Forest
35%
Crops
24%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)