HydroBASINS lev08 watershed · #7080361000
Bassin de Clark Fork
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 1 administrative regions : Missoula
Sub-basin area
378,4km²
Upstream area
15 899,6km²
Discharge
92,07m³/s
Mean elev.
1 542m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Blackfoot River988 km²
- Bassin de Clark Fork307 km²
1 dept-equivalent regions (GADM L2)
- 379.5 km²100.0% of basin
7 intersecting protected areas
Rattlesnake
IUCN IbWilderness
112.32 km² overlap
Shoofly Meadows
IUCN IaResearch Natural Area
3.02 km² overlap
Conservation Area
0.28 km² overlap
Five Valleys Land Trust
IUCN VPrivate Conservation
0.26 km² overlap
Rattlesnake
IUCN VNatural Area
0.08 km² overlap
Bugbee
IUCN VNature Preserve
0.03 km² overlap
Sheep Mountain Bog
IUCN IaResearch Natural Area
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 880 distinct species · 281 490 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Clark Fork : 22 espèces reliées par 85 interactions GloBI sur 4 types (connectance 16.1%, filtre Serrano α=0.2). 11 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°
4,0°C
Annual rain
500mm
Moisture idx (CMI)
-0,41
Runoff
285mm/an
PET
874mm
AET
425mm
Mean slope
14,9°
Water table
652cm
Forest
77%
Crops
2%
Urban
9%
Protected
30%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)