HydroBASINS lev08 watershed · #7080388610
Bassin de Boulder 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 7 administrative regions : Broadwater, Deer Lodge, Jefferson, Lewis and Clark, Madison +2
Sub-basin area
1 961,3km²
Upstream area
1 961,7km²
Discharge
6,35m³/s
Mean elev.
1 886m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
7 dept-equivalent regions (GADM L2)
- Jefferson1963.7 km²99.9% of basin
- 1.5 km²0.1% of basin
- 0.5 km²0.0% of basin
- Powell0.3 km²0.0% of basin
- 0.1 km²0.0% of basin
- Madison0.1 km²0.0% of basin
- 0.0 km²0.0% of basin
4 intersecting protected areas
Black Sage
IUCN IbWilderness Study Area
19.05 km² overlap
Elkhorn
IUCN IbWilderness Study Area
7.93 km² overlap
Thunderbolt Mountain
IUCN IaResearch Natural Area
3.01 km² overlap
Bernice
IUCN IaResearch Natural Area
1.76 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
911 distinct species · 12 603 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Boulder River : 21 espèces reliées par 61 interactions GloBI sur 3 types (connectance 13.1%, filtre Serrano α=0.2). 10 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°
3,5°C
Annual rain
414mm
Moisture idx (CMI)
-0,51
Runoff
106mm/an
PET
861mm
AET
361mm
Mean slope
9,8°
Water table
698cm
Forest
67%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)