HydroBASINS lev08 watershed · #7080445470
Bassin de Owyhee 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 : Malheur
Sub-basin area
403,8km²
Upstream area
27 219,7km²
Discharge
32,74m³/s
Mean elev.
970m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Owyhee River1430 km²
- Bassin · #70804519101181 km²
1 dept-equivalent regions (GADM L2)
- 404.6 km²100.0% of basin
1 intersecting protected areas
Wild Horse Basin
IUCN IbWilderness Study Area
46.29 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
649 distinct species · 8 187 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Owyhee River : 26 espèces reliées par 117 interactions GloBI sur 4 types (connectance 13.0%, filtre Serrano α=0.2). 17 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°
9,0°C
Annual rain
285mm
Moisture idx (CMI)
-0,75
Runoff
94mm/an
PET
1 151mm
AET
247mm
Mean slope
8,4°
Water table
1 013cm
Forest
7%
Crops
8%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)