HydroBASINS lev08 watershed · #2080550020
Bassin de la Maronne
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 : Cantal, Corrèze
Sub-basin area
825,2km²
Upstream area
825,5km²
Discharge
19,73m³/s
Mean elev.
676m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 606.5 km²73.3% of basin
- 220.5 km²26.7% of basin
59 communes (GADM L5)Available for FRA, RWA
- Pleaux77.77 km²83% commune
- Saint-Julien-aux-Bois43.96 km²99% commune
- Saint-Cernin41.79 km²89% commune
- Saint-Illide40.18 km²100% commune
- Saint-Paul-de-Salers35.15 km²96% commune
- Saint-Projet-de-Salers34.64 km²97% commune
- Saint-Santin-Cantalès33.02 km²96% commune
- Cros-de-Montvert29.71 km²100% commune
- Goulles28.36 km²82% commune
- Ayrens25.86 km²100% commune
- Sexcles25.26 km²99% commune
- Rouffiac22.63 km²100% commune
- Arnac21.92 km²100% commune
- Saint-Martin-Valmeroux21.89 km²85% commune
- Saint-Martin-Cantalès19.47 km²100% commune
- Le Fau19.13 km²98% commune
- Saint-Cirgues-la-Loutre18.54 km²100% commune
- Fontanges17.97 km²100% commune
- Hautefage17.71 km²73% commune
- Freix-Anglards17.21 km²99% commune
- Saint-Cirgues-de-Malbert16.39 km²100% commune
- Saint-Geniez-ô-Merle15.96 km²99% commune
- Saint-Privat14.37 km²45% commune
- Saint-Victor13.84 km²100% commune
- Saint-Chamant13.51 km²100% commune
- Sainte-Eulalie13.12 km²91% commune
- Rilhac-Xaintrie12.70 km²49% commune
- Barriac-les-Bosquets11.74 km²91% commune
- Ally11.65 km²50% commune
- La Chapelle-Saint-Géraud11.00 km²62% commune
- Girgols10.40 km²74% commune
- Nieudan10.10 km²80% commune
- Tournemire9.26 km²100% commune
- Camps-Saint-Mathurin-Léobazel8.84 km²25% commune
- Teissières-de-Cornet8.53 km²94% commune
- Mercœur6.98 km²23% commune
- Saint-Julien-le-Pèlerin6.91 km²47% commune
- Saint-Bonnet-les-Tours-de-Merle5.67 km²100% commune
- Saint-Bonnet-de-Salers5.38 km²16% commune
- Salers4.00 km²93% commune
- Besse3.82 km²100% commune
- Argentat3.69 km²17% commune
- Jussac3.44 km²18% commune
- Montvert3.43 km²30% commune
- Chaussenac2.74 km²17% commune
- Saint-Paul-des-Landes2.67 km²14% commune
- Crandelles2.08 km²16% commune
- Lascelle0.87 km²5% commune
- Auriac0.47 km²1% commune
- Saint-Étienne-Cantalès0.41 km²4% commune
- Escorailles0.39 km²14% commune
- Laroquevieille0.29 km²2% commune
- Servières-le-Château0.12 km²0% commune
- Mandailles-Saint-Julien0.05 km²0% commune
- Laroquebrou0.03 km²0% commune
- Le Falgoux0.02 km²0% commune
- Drugeac0.00 km²0% commune
- Monceaux-sur-Dordogne0.00 km²0% commune
- Saint-Cirgues-de-Jordanne0.00 km²0% commune
11 intersecting protected areas
Volcans D\'Auvergne
IUCN VRegional Nature Park
173.08 km² overlap
Vallée de la Dordogne sur l'ensemble de son cours et affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
15.31 km² overlap
Gorges de la Dordogne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
15.04 km² overlap
Massif cantalien
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.75 km² overlap
Site de Palmont
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.82 km² overlap
Land acquired by a regional conservatory of natural areas
1.17 km² overlap
Land acquired by a regional conservatory of natural areas
0.29 km² overlap
bois sur pente du cardinal
IUCN IVLand acquired by a regional conservatory of natural areas
0.09 km² overlap
Rivière La Dordogne
IUCN IVBiotope Protection Order
0.02 km² overlap
2 more protected areassorted by overlap area
Monts et Plomb du Cantal
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.02 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
4 869 distinct species · 379 843 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 Maronne : 28 espèces reliées par 81 interactions GloBI sur 4 types (connectance 15.3%, filtre Serrano α=0.2). 5 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
849mm
Moisture idx (CMI)
-0,05
Runoff
691mm/an
PET
894mm
AET
675mm
Mean slope
8,2°
Water table
464cm
Forest
52%
Crops
3%
Urban
0%
Protected
21%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)