HydroBASINS lev08 watershed · #2080104700
Bassin · #2080104700
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, Lozère
Sub-basin area
77,8km²
Upstream area
77,8km²
Discharge
0,47m³/s
Mean elev.
884m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 76.7 km²98.3% of basin
- 1.3 km²1.7% of basin
8 communes (GADM L5)Available for FRA, RWA
- Saint-Georges-de-Lévéjac34.21 km²61% commune
- Saint-Rome-de-Dolan19.78 km²61% commune
- Le Recoux14.74 km²61% commune
- Le Massegros6.95 km²39% commune
- Mostuéjouls1.30 km²4% commune
- La Tieule0.74 km²3% commune
- La Canourgue0.16 km²0% commune
- La Malène0.10 km²0% commune
2 intersecting protected areas
Grands Causses
IUCN VRegional Nature Park
1.51 km² overlap
National Park - Buffer zone/Area of adhesion
0.32 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 106 distinct species · 40 408 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 · #2080104700 : 20 espèces reliées par 89 interactions GloBI sur 6 types (connectance 19.1%, 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°
9,7°C
Annual rain
779mm
Moisture idx (CMI)
-0,13
Runoff
526mm/an
PET
893mm
AET
649mm
Mean slope
5,8°
Water table
273cm
Forest
88%
Crops
1%
Urban
0%
Protected
46%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)