HydroBASINS lev08 watershed · #2080559260
Bassin de l'Auze
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 : Aveyron, Cantal
Sub-basin area
246,7km²
Upstream area
5 643,8km²
Discharge
88,22m³/s
Mean elev.
552m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin du Lot1033 km²
- Bassin de la Selves215 km²
2 dept-equivalent regions (GADM L2)
- 140.9 km²57.0% of basin
- 106.3 km²43.0% of basin
22 communes (GADM L5)Available for FRA, RWA
- Cassaniouze29.09 km²79% commune
- Junhac27.74 km²100% commune
- Sénergues25.87 km²58% commune
- Espeyrac21.77 km²100% commune
- Le Fel19.47 km²78% commune
- Sénezergues17.33 km²100% commune
- Montsalvy15.64 km²76% commune
- Labesserette13.51 km²94% commune
- Golinhac12.43 km²38% commune
- Sansac-Veinazès12.04 km²95% commune
- Vieillevie9.76 km²100% commune
- Lacapelle-del-Fraisse8.26 km²53% commune
- Entraygues-sur-Truyère7.45 km²24% commune
- Campuac7.25 km²38% commune
- Saint-Félix-de-Lunel5.89 km²31% commune
- Calvinet5.60 km²40% commune
- Grand-Vabre5.21 km²18% commune
- Marcolès1.51 km²3% commune
- Villecomtal0.90 km²6% commune
- Ladinhac0.44 km²2% commune
- Conques0.05 km²0% commune
- Lafeuillade-en-Vézie0.03 km²0% commune
5 intersecting protected areas
Gorges de la Truyère
IUCN Not ReportedSpecial Protection Area (Birds Directive)
16.76 km² overlap
Aubrac
IUCN VRegional Nature Park
7.59 km² overlap
Coteaux Du Fel
IUCN IVRegional Nature Reserve
1.26 km² overlap
Haute vallée du Lot entre Espalion et Saint-Laurent-d'Olt et gorges de la Truyère, basse vallée du Lot et le Goul
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.22 km² overlap
gorges du don
IUCN IVLand acquired by a regional conservatory of natural areas
0.23 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 832 distinct species · 104 245 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 l'Auze : 25 espèces reliées par 83 interactions GloBI sur 4 types (connectance 14.8%, filtre Serrano α=0.2). 9 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
773mm
Moisture idx (CMI)
-0,18
Runoff
516mm/an
PET
946mm
AET
647mm
Mean slope
10,9°
Water table
548cm
Forest
48%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)