HydroBASINS lev08 watershed · #2080556010
Bassin du Céou
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 : Dordogne, Lot
Sub-basin area
573,2km²
Upstream area
573,4km²
Discharge
7,86m³/s
Mean elev.
269m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 416.1 km²72.4% of basin
- 158.3 km²27.6% of basin
55 communes (GADM L5)Available for FRA, RWA
- Dégagnac37.90 km²100% commune
- Salviac30.30 km²100% commune
- Saint-Pompont27.89 km²98% commune
- Le Vigan27.48 km²80% commune
- Peyrilles27.04 km²96% commune
- Montfaucon26.59 km²99% commune
- Gourdon24.35 km²53% commune
- Saint-Germain-du-Bel-Air21.55 km²100% commune
- Daglan20.68 km²100% commune
- Campagnac-lès-Quercy19.67 km²99% commune
- Concorès18.90 km²100% commune
- Labastide-Murat16.88 km²62% commune
- Frayssinet16.70 km²98% commune
- Saint-Martial-de-Nabirat15.53 km²100% commune
- Thédirac15.49 km²96% commune
- Lavercantière14.90 km²100% commune
- Vaillac13.71 km²100% commune
- Saint-Chamarand12.74 km²100% commune
- Bouzic11.75 km²100% commune
- Caniac-du-Causse11.61 km²32% commune
- Gindou11.51 km²73% commune
- Soucirac11.20 km²99% commune
- Saint-Clair10.95 km²100% commune
- Saint-Cybranet10.62 km²100% commune
- Cénac-et-Saint-Julien10.52 km²50% commune
- Florimont-Gaumier9.65 km²100% commune
- Léobard9.27 km²94% commune
- Castelnaud-la-Chapelle9.14 km²41% commune
- Saint-Laurent-la-Vallée8.64 km²57% commune
- Saint-Cirq-Souillaguet8.49 km²100% commune
- Beaumat7.93 km²98% commune
- Saint-Aubin-de-Nabirat6.06 km²94% commune
- Rampoux5.98 km²100% commune
- Séniergues5.93 km²33% commune
- Saint-Projet4.76 km²30% commune
- Uzech4.34 km²35% commune
- Marminiac4.14 km²18% commune
- Fontanes-du-Causse3.84 km²25% commune
- Doissat3.64 km²24% commune
- Montgesty2.97 km²24% commune
- Soulomès2.61 km²34% commune
- Domme2.21 km²9% commune
- Lamothe-Cassel1.77 km²15% commune
- Veyrines-de-Domme1.09 km²10% commune
- Cazals1.06 km²10% commune
- Carlucet1.02 km²3% commune
- Montamel1.01 km²10% commune
- Nabirat0.66 km²4% commune
- Le Bastit0.61 km²2% commune
- Besse0.35 km²2% commune
- Catus0.24 km²1% commune
- Vézac0.23 km²2% commune
- Ginouillac0.15 km²2% commune
- Payrignac0.14 km²1% commune
- Les Arques0.03 km²0% commune
15 intersecting protected areas
Causses Du Quercy
IUCN VRegional Nature Park
118.76 km² overlap
Zone centrale du causse de Gramat
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.67 km² overlap
Coteaux calcaires du Causse de Daglan et de la Vallée du Céou
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
11.76 km² overlap
La Dordogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.12 km² overlap
Rivière Dordogne
IUCN IVBiotope Protection Order
0.06 km² overlap
coteau du raysse
IUCN IVLand acquired by a regional conservatory of natural areas
0.04 km² overlap
coteaux de barges
IUCN IVLand acquired by a regional conservatory of natural areas
0.04 km² overlap
vallee du mandalou
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
pech de lagarde
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
6 more protected areassorted by overlap area
coteau de montalieu
IUCN IVLand acquired by a regional conservatory of natural areas
0.01 km² overlap
coteau de la lecune
IUCN IVLand acquired by a regional conservatory of natural areas
0.01 km² overlap
vallee de la lousse
IUCN IVLand acquired by a regional conservatory of natural areas
0.01 km² overlap
combe des neuf sous
IUCN IVLand acquired by a regional conservatory of natural areas
0.00 km² overlap
coteau du roc de bedeau
IUCN IVLand acquired by a regional conservatory of natural areas
0.00 km² overlap
coteau de causanel
IUCN IVLand acquired by a regional conservatory of natural areas
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 957 distinct species · 85 113 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Céou : 28 espèces + 5 bulles famille, 69 interactions GloBI documentées sur 4 types (connectance 13.1%, filtre Serrano α=0.2). Les 5 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°
12,0°C
Annual rain
836mm
Moisture idx (CMI)
-0,14
Runoff
426mm/an
PET
978mm
AET
680mm
Mean slope
5,8°
Water table
277cm
Forest
49%
Crops
4%
Urban
0%
Protected
21%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)