HydroBASINS lev08 watershed · #7080405910
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, Powder River
Sub-basin area
994,8km²
Upstream area
21 719,9km²
Discharge
25,6m³/s
Mean elev.
1 133m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #7080412120282 km²
- Bassin de Powder River225 km²
2 dept-equivalent regions (GADM L2)
- 910.0 km²91.3% of basin
- Campbell87.0 km²8.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
357 distinct species · 3 001 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 : 27 espèces reliées par 107 interactions GloBI sur 4 types (connectance 13.7%, filtre Serrano α=0.2). 13 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°
7,1°C
Annual rain
375mm
Moisture idx (CMI)
-0,64
Runoff
44mm/an
PET
1 048mm
AET
326mm
Mean slope
5,2°
Water table
676cm
Forest
0%
Crops
12%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)