HydroBASINS lev08 watershed · #7080322750
Bassin de Okanogan 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 : Okanogan
Sub-basin area
97,2km²
Upstream area
20 220,8km²
Discharge
92,42m³/s
Mean elev.
426m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Okanogan River1018 km²
- Bassin de Omak Creek648 km²
1 dept-equivalent regions (GADM L2)
- 97.5 km²100.0% of basin
1 intersecting protected areas
Scotch Creek
IUCN VWildlife Area Complex
2.94 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
613 distinct species · 5 257 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Okanogan River : 23 espèces reliées par 139 interactions GloBI sur 5 types (connectance 18.8%, filtre Serrano α=0.2). 16 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°
9,1°C
Annual rain
307mm
Moisture idx (CMI)
-0,70
Runoff
173mm/an
PET
1 021mm
AET
266mm
Mean slope
5,6°
Water table
709cm
Forest
29%
Crops
14%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)