HydroBASINS lev08 watershed · #2080546090
Bassin de la Triouzoune
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
511,7km²
Upstream area
3 507,4km²
Discharge
89,88m³/s
Mean elev.
655m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Sumène433 km²
- Bassin de la Dordogne107 km²
2 dept-equivalent regions (GADM L2)
- 258.9 km²50.5% of basin
- 253.9 km²49.5% of basin
41 communes (GADM L5)Available for FRA, RWA
- Neuvic51.40 km²69% commune
- Chalvignac36.46 km²100% commune
- Soursac29.76 km²70% commune
- Saint-Angel29.33 km²61% commune
- Mauriac28.36 km²100% commune
- Saint-Bonnet-de-Salers27.76 km²83% commune
- Anglards-de-Salers26.84 km²57% commune
- Meymac26.38 km²30% commune
- Le Vigean22.46 km²77% commune
- Sérandon20.24 km²59% commune
- Latronche19.83 km²100% commune
- Drugeac18.31 km²100% commune
- Pleaux16.11 km²17% commune
- Arches13.75 km²78% commune
- Alleyrat13.24 km²89% commune
- Chaussenac13.18 km²83% commune
- Rilhac-Xaintrie13.07 km²51% commune
- Brageac12.26 km²100% commune
- Ally11.81 km²50% commune
- Saint-Sulpice-les-Bois10.52 km²46% commune
- Salins9.14 km²100% commune
- Liginiac8.95 km²31% commune
- Sourniac7.64 km²65% commune
- Auriac7.20 km²21% commune
- Chirac-Bellevue6.11 km²29% commune
- Palisse5.25 km²16% commune
- Saint-Germain-Lavolps4.37 km²20% commune
- Saint-Martin-Valmeroux3.72 km²15% commune
- Saint-Pantaléon-de-Lapleau3.59 km²43% commune
- Valiergues3.38 km²26% commune
- Chaveroche2.86 km²16% commune
- Saint-Hilaire-Luc2.63 km²25% commune
- Escorailles2.31 km²86% commune
- Sainte-Eulalie1.34 km²9% commune
- Barriac-les-Bosquets1.18 km²9% commune
- Jaleyrac0.85 km²5% commune
- Ussel0.59 km²1% commune
- Salers0.32 km²7% commune
- Chavanac0.23 km²2% commune
- Veyrières0.10 km²1% commune
- Le Vaulmier0.00 km²0% commune
15 intersecting protected areas
Gorges de la Dordogne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
113.90 km² overlap
Millevaches En Limousin
IUCN VRegional Nature Park
86.87 km² overlap
Volcans D\'Auvergne
IUCN VRegional Nature Park
59.09 km² overlap
Gorges de la Dordogne, de l'Auze et de la Sumène
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
31.00 km² overlap
Vallée de la Dordogne sur l'ensemble de son cours et affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.03 km² overlap
Site de Salins
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.63 km² overlap
Land acquired by a regional conservatory of natural areas
0.37 km² overlap
Land acquired by a regional conservatory of natural areas
0.23 km² overlap
Land acquired by a regional conservatory of natural areas
0.21 km² overlap
6 more protected areassorted by overlap area
bois de pente du pont aubert
IUCN IVLand acquired by a regional conservatory of natural areas
0.07 km² overlap
Plateau de Millevaches
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.06 km² overlap
Ruisseaux de la région de Neuvic
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.06 km² overlap
bois sur pente de lamirande
IUCN IVLand acquired by a regional conservatory of natural areas
0.04 km² overlap
foret sur pente de la nau
IUCN IVLand acquired by a regional conservatory of natural areas
0.03 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
4 238 distinct species · 136 339 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Triouzoune : 30 espèces + 4 bulles famille, 66 interactions GloBI documentées sur 4 types (connectance 11.8%, 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°
9,7°C
Annual rain
850mm
Moisture idx (CMI)
-0,04
Runoff
707mm/an
PET
887mm
AET
674mm
Mean slope
6,4°
Water table
355cm
Forest
62%
Crops
4%
Urban
0%
Protected
29%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)