HydroBASINS lev08 watershed · #7080246020
Bassin de Columbia 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 2 administrative regions : Columbia-Shuswap, East Kootenay
Sub-basin area
815,1km²
Upstream area
6 708,2km²
Discharge
109,53m³/s
Mean elev.
1 441m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Spillimacheen River1456 km²
- Bassin de Columbia River15 km²
2 dept-equivalent regions (GADM L2)
- 792.3 km²96.9% of basin
- 25.8 km²3.1% of basin
6 intersecting protected areas
Wildlife Management Area
81.92 km² overlap
National Wildlife Area
1.82 km² overlap
Privately Owned Conservation Area
1.81 km² overlap
National Park
0.19 km² overlap
Columbia River - Castledale
IUCN IVPrivately Owned Conservation Area
0.13 km² overlap
Columbia River - Habart
IUCN IVPrivately Owned Conservation Area
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 163 distinct species · 36 925 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 de Columbia River : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 4 types (connectance 15.9%, 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°
1,0°C
Annual rain
732mm
Moisture idx (CMI)
0,08
Runoff
721mm/an
PET
660mm
AET
483mm
Mean slope
17,1°
Water table
402cm
Forest
65%
Crops
0%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)