HydroBASINS lev08 watershed · #7080633660
Bassin · #7080633660
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 : Colfax, Harding, Union
Sub-basin area
293,6km²
Upstream area
1 228,8km²
Discharge
0,22m³/s
Mean elev.
1 801m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #7080629760673 km²
- Bassin · #7080629890262 km²
3 dept-equivalent regions (GADM L2)
- Union180.9 km²61.6% of basin
- Colfax89.5 km²30.5% of basin
- 23.3 km²7.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
171 distinct species · 503 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 · #7080633660 : 28 espèces reliées par 115 interactions GloBI sur 6 types (connectance 14.7%, filtre Serrano α=0.2). 12 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°
10,4°C
Annual rain
393mm
Moisture idx (CMI)
-0,69
Runoff
7mm/an
PET
1 275mm
AET
336mm
Mean slope
1,7°
Water table
591cm
Forest
6%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)