HydroBASINS lev08 watershed · #2080554050
Bassin de la Cère
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 : Cantal, Corrèze, Lot
Sub-basin area
1 107,7km²
Upstream area
1 107,7km²
Discharge
21,91m³/s
Mean elev.
690m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 853.1 km²76.8% of basin
- 177.0 km²15.9% of basin
- 80.1 km²7.2% of basin
92 communes (GADM L5)Available for FRA, RWA
- Siran51.10 km²100% commune
- Arpajon-sur-Cère48.16 km²100% commune
- Thiézac40.92 km²100% commune
- Ytrac38.73 km²100% commune
- Roannes-Saint-Mary36.56 km²99% commune
- Mandailles-Saint-Julien35.88 km²99% commune
- Saint-Mamet-la-Salvetat32.16 km²61% commune
- Saint-Jacques-des-Blats30.51 km²95% commune
- Saint-Saury29.89 km²96% commune
- Comiac29.12 km²100% commune
- Aurillac28.78 km²100% commune
- Polminhac27.74 km²97% commune
- Saint-Simon27.36 km²100% commune
- Vic-sur-Cère27.09 km²91% commune
- Camps-Saint-Mathurin-Léobazel25.89 km²75% commune
- Calviac25.76 km²98% commune
- Glénat23.94 km²100% commune
- Marmanhac23.74 km²100% commune
- Mercœur22.92 km²77% commune
- Sousceyrac22.23 km²38% commune
- Prunet20.22 km²73% commune
- Saint-Gérons18.88 km²100% commune
- Lascelle18.33 km²95% commune
- Lacapelle-Viescamp17.50 km²100% commune
- Pers17.30 km²96% commune
- Laroquebrou16.43 km²100% commune
- Saint-Paul-des-Landes16.06 km²86% commune
- Saint-Cirgues-de-Jordanne15.79 km²100% commune
- Jussac15.45 km²82% commune
- Laroquevieille15.28 km²98% commune
- Vézac14.79 km²99% commune
- Giou-de-Mamou14.62 km²100% commune
- Sansac-de-Marmiesse14.01 km²100% commune
- Teyssieu13.78 km²100% commune
- Cornac13.63 km²100% commune
- Lamativie13.25 km²100% commune
- Omps12.12 km²100% commune
- Velzic11.47 km²100% commune
- Naucelles10.99 km²100% commune
- Gagnac-sur-Cère10.80 km²85% commune
- Saint-Étienne-Cantalès10.63 km²96% commune
- Lafeuillade-en-Vézie10.63 km²65% commune
- Crandelles10.62 km²84% commune
- Yolet10.29 km²100% commune
- Cahus10.06 km²100% commune
- Reilhac9.28 km²100% commune
- Altillac8.23 km²32% commune
- Laval-de-Cère8.19 km²100% commune
- Montvert7.97 km²70% commune
- Saint-Julien-le-Pèlerin7.66 km²53% commune
- Reygade7.39 km²53% commune
- La Ségalassière6.59 km²100% commune
- Goulles6.05 km²18% commune
- Bretenoux5.69 km²100% commune
- Estal5.60 km²100% commune
- Saint-Cernin5.33 km²11% commune
- Roumégoux5.00 km²37% commune
- Girgols3.58 km²26% commune
- Prudhomat3.44 km²29% commune
- Le Rouget3.37 km²42% commune
- Saint-Laurent-les-Tours3.24 km²30% commune
- Biars-sur-Cère3.24 km²91% commune
- Marcolès2.96 km²6% commune
- Belmont-Bretenoux2.82 km²45% commune
- Glanes2.63 km²100% commune
- Nieudan2.50 km²20% commune
- Saint-Étienne-de-Carlat2.37 km²22% commune
- Saint-Michel-Loubéjou2.36 km²42% commune
- Carlat2.18 km²11% commune
- Saint-Clément2.01 km²12% commune
- La Chapelle-Saint-Géraud1.69 km²10% commune
- Saint-Santin-Cantalès1.50 km²4% commune
- Labrousse0.98 km²5% commune
- Girac0.95 km²22% commune
- Saint-Projet-de-Salers0.85 km²2% commune
- Pailherols0.82 km²3% commune
- Teissières-de-Cornet0.58 km²6% commune
- Lavigerie0.45 km²2% commune
- Sexcles0.29 km²1% commune
- Frayssinhes0.21 km²2% commune
- Lacapelle-del-Fraisse0.19 km²1% commune
- Freix-Anglards0.15 km²1% commune
- Laveissière0.12 km²0% commune
- Brezons0.10 km²0% commune
- Le Falgoux0.08 km²0% commune
- Teissières-lès-Bouliès0.07 km²0% commune
- Ayrens0.05 km²0% commune
- Latouille-Lentillac0.02 km²0% commune
- Labastide-du-Haut-Mont0.01 km²0% commune
- Parlan0.01 km²0% commune
- Albepierre-Bredons0.01 km²0% commune
- Malbo0.00 km²0% commune
17 intersecting protected areas
Volcans D\'Auvergne
IUCN VRegional Nature Park
191.62 km² overlap
Vallée de la Cère et tributaires
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
30.26 km² overlap
Monts et Plomb du Cantal
IUCN Not ReportedSpecial Protection Area (Birds Directive)
20.59 km² overlap
Massif cantalien
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.01 km² overlap
Marais du Cassan et de Prentegarde
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.06 km² overlap
Site de Compaing
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.55 km² overlap
Affluents de la Cère en Chataigneraie
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.05 km² overlap
Vallées de la Cère et de la Jordanne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.03 km² overlap
Landes et pelouses serpentinicoles du sud corrèzien
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.81 km² overlap
8 more protected areassorted by overlap area
Land acquired by a regional conservatory of natural areas
0.46 km² overlap
Land acquired by a regional conservatory of natural areas
0.30 km² overlap
Land acquired by a regional conservatory of natural areas
0.25 km² overlap
marais de boussac
IUCN IVLand acquired by a regional conservatory of natural areas
0.11 km² overlap
tourbiere de moureze
IUCN IVLand acquired by a regional conservatory of natural areas
0.04 km² overlap
Vallée de la Dordogne quercynoise
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.01 km² overlap
Cours Lotois De La Dordogne
IUCN IVBiotope Protection Order
0.00 km² overlap
Land 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
6 602 distinct species · 585 919 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 de la Cère : 23 espèces reliées par 91 interactions GloBI sur 5 types (connectance 16.2%, filtre Serrano α=0.2). 11 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°
9,8°C
Annual rain
842mm
Moisture idx (CMI)
-0,06
Runoff
617mm/an
PET
897mm
AET
672mm
Mean slope
7,9°
Water table
400cm
Forest
41%
Crops
5%
Urban
2%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)