HydroBASINS lev08 watershed · #7080414500
Bassin de Powder 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 : Campbell, Sheridan
Sub-basin area
272km²
Upstream area
20 043,8km²
Discharge
23,27m³/s
Mean elev.
1 172m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Powder River1931 km²
- Bassin de Clear Creek130 km²
2 dept-equivalent regions (GADM L2)
- Campbell189.2 km²69.4% of basin
- Sheridan83.4 km²30.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
116 distinct species · 197 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 Powder River : 29 espèces reliées par 99 interactions GloBI sur 4 types (connectance 12.1%, filtre Serrano α=0.2). 12 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°
7,3°C
Annual rain
381mm
Moisture idx (CMI)
-0,64
Runoff
52mm/an
PET
1 057mm
AET
330mm
Mean slope
4,2°
Water table
557cm
Forest
0%
Crops
8%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)