HydroBASINS lev08 watershed · #7080372710
Bassin de Clearwater River / kuumkxtoyn
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 5 administrative regions : Asotin, Latah, Lewis, Nez Perce, Whitman
Sub-basin area
1 027,9km²
Upstream area
24 293,7km²
Discharge
421,28m³/s
Mean elev.
832m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Potlatch River1514 km²
- Bassin de Clearwater River / kuumkxtoyn1150 km²
5 dept-equivalent regions (GADM L2)
- Nez PerceIdaho · United States787.3 km²76.4% of basin
- LewisIdaho · United States219.0 km²21.3% of basin
- 16.7 km²1.6% of basin
- LatahIdaho · United States7.3 km²0.7% of basin
- 0.2 km²0.0% of basin
1 intersecting protected areas
Craig Mountain
IUCN VWildlife Management Area
15.48 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 537 distinct species · 129 721 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Clearwater River / kuumkxtoyn : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 4 types (connectance 11.9%, 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°
8,3°C
Annual rain
542mm
Moisture idx (CMI)
-0,44
Runoff
354mm/an
PET
984mm
AET
460mm
Mean slope
8,1°
Water table
391cm
Forest
34%
Crops
39%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)