HydroBASINS lev08 watershed · #7080330560
Bassin de Bear Creek
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 : Garfield, McCone, Valley
Sub-basin area
343,2km²
Upstream area
147 603,5km²
Discharge
303,9m³/s
Mean elev.
695m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Missouri River2462 km²
- Bassin de Big Dry Creek1703 km²
3 dept-equivalent regions (GADM L2)
- 197.4 km²57.3% of basin
- Valley143.0 km²41.5% of basin
- 3.8 km²1.1% of basin
2 intersecting protected areas
Charles M. Russell
IUCN IVNational Wildlife Refuge
7.68 km² overlap
Montana
IUCN VIState Trust Lands
2.59 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
629 distinct species · 62 859 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Bear Creek : 20 espèces reliées par 61 interactions GloBI sur 3 types (connectance 15.0%, filtre Serrano α=0.2). 9 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°
6,5°C
Annual rain
301mm
Moisture idx (CMI)
-0,69
Runoff
37mm/an
PET
971mm
AET
266mm
Mean slope
2,0°
Water table
322cm
Forest
17%
Crops
12%
Urban
0%
Protected
34%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)