HydroBASINS lev08 watershed · #7080643090
Bassin · #7080643090
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 : Hartley, Quay, Union
Sub-basin area
587,1km²
Upstream area
2 990,8km²
Discharge
0,48m³/s
Mean elev.
1 251m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #7080642050537 km²
- Bassin · #7080641880141 km²
3 dept-equivalent regions (GADM L2)
- 449.3 km²76.5% of basin
- Union113.8 km²19.4% of basin
- 24.0 km²4.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
191 distinct species · 643 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 · #7080643090 : 34 espèces reliées par 149 interactions GloBI sur 5 types (connectance 12.7%, filtre Serrano α=0.2). 15 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°
13,1°C
Annual rain
411mm
Moisture idx (CMI)
-0,70
Runoff
6mm/an
PET
1 386mm
AET
349mm
Mean slope
1,2°
Water table
374cm
Forest
0%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)