HydroBASINS lev08 watershed · #7080316090
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 2 administrative regions : Pend Oreille, Stevens
Sub-basin area
2 646,6km²
Upstream area
2 646,8km²
Discharge
16,4m³/s
Mean elev.
888m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Stevens2633.3 km²99.2% of basin
- 21.3 km²0.8% of basin
8 intersecting protected areas
Little Pend Oreille
IUCN IVNational Wildlife Refuge
263.98 km² overlap
Reserve Program
11.07 km² overlap
Reserve Program
2.45 km² overlap
Natural Area Preserve
1.17 km² overlap
National Wildlife Refuge
0.65 km² overlap
National Wildlife Refuge
0.33 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Stevens, WA
IUCN VConservation Easement
0.16 km² overlap
Reserve Program
0.09 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 331 distinct species · 135 437 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 : 29 espèces reliées par 68 interactions GloBI sur 4 types (connectance 10.2%, filtre Serrano α=0.2). 8 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°
6,6°C
Annual rain
545mm
Moisture idx (CMI)
-0,40
Runoff
197mm/an
PET
920mm
AET
456mm
Mean slope
10,4°
Water table
563cm
Forest
77%
Crops
8%
Urban
0%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)