HydroBASINS lev08 watershed · #8080082460
Bassin de Colville River
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 1 administrative regions : North Slope
Sub-basin area
562,3km²
Upstream area
58 196,9km²
Discharge
251,99m³/s
Mean elev.
23m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Colville River596 km²
- Bassin de Itkillik River538 km²
1 dept-equivalent regions (GADM L2)
- 547.1 km²96.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
223 distinct species · 1 945 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Colville River : 23 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 2 types (connectance 15.3%, filtre Serrano α=0.2). 10 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°
-12,1°C
Annual rain
143mm
Moisture idx (CMI)
-0,55
Runoff
94mm/an
PET
319mm
AET
161mm
Mean slope
2,5°
Water table
33cm
Forest
0%
Crops
0%
Urban
0%
Protected
59%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)