HydroBASINS lev08 watershed · #7080254820
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
1 572,2km²
Upstream area
26 666,6km²
Discharge
804,52m³/s
Mean elev.
1 504m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Downie Creek656 km²
- Bassin de Columbia River302 km²
1 dept-equivalent regions (GADM L2)
- 1578.0 km²100.0% of basin
3 intersecting protected areas
National Park
67.41 km² overlap
MARTHA CREEK PARK
IUCN Not ReportedA - Park
0.52 km² overlap
Wildlife Habitat Areas
IUCN Not ApplicableWildlife Habitat Areas
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 902 distinct species · 34 047 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 : 26 espèces reliées par 69 interactions GloBI sur 5 types (connectance 9.3%, filtre Serrano α=0.2). 13 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°
1,3°C
Annual rain
961mm
Moisture idx (CMI)
0,35
Runoff
1 149mm/an
PET
626mm
AET
493mm
Mean slope
22,7°
Water table
744cm
Forest
49%
Crops
0%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)