HydroBASINS lev08 watershed · #7080422170
Bassin de Belle Fourche 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 3 administrative regions : Butte, Carter, Crook
Sub-basin area
2 710,7km²
Upstream area
8 855,1km²
Discharge
19,28m³/s
Mean elev.
1 231m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Inyan Kara Creek865 km²
- Bassin de Belle Fourche River490 km²
3 dept-equivalent regions (GADM L2)
- Crook2448.6 km²90.1% of basin
- Butte265.7 km²9.8% of basin
- Carter2.2 km²0.1% of basin
1 intersecting protected areas
Devils Tower
IUCN IIINational Monument
5.46 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 709 distinct species · 46 624 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 Belle Fourche River : 28 espèces reliées par 109 interactions GloBI sur 4 types (connectance 13.3%, 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°
7,0°C
Annual rain
425mm
Moisture idx (CMI)
-0,59
Runoff
81mm/an
PET
1 028mm
AET
368mm
Mean slope
4,7°
Water table
533cm
Forest
15%
Crops
13%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)