HydroBASINS lev08 watershed · #7080223480
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 1 administrative regions : Columbia-Shuswap
Sub-basin area
187,6km²
Upstream area
16 462,1km²
Discharge
439,82m³/s
Mean elev.
1 458m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Cummins River263 km²
- Bassin de Columbia River187 km²
1 dept-equivalent regions (GADM L2)
- 188.3 km²100.0% of basin
1 intersecting protected areas
Ecological Reserve
26.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
148 distinct species · 268 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 : 11 espèces reliées par 12 interactions GloBI sur 4 types (connectance 11.4%, filtre Serrano α=0.2). 4 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
791mm
Moisture idx (CMI)
0,19
Runoff
1 143mm/an
PET
639mm
AET
482mm
Mean slope
19,8°
Water table
463cm
Forest
25%
Crops
0%
Urban
0%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)