HydroBASINS lev08 watershed · #7080418370
Bassin de Middle Fork Salmon 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 : Custer, Valley
Sub-basin area
2 097,5km²
Upstream area
2 959,9km²
Discharge
35,03m³/s
Mean elev.
2 161m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Bear Valley Creek490 km²
- Bassin de Marsh Creek372 km²
2 dept-equivalent regions (GADM L2)
- ValleyIdaho · United States1332.9 km²63.4% of basin
- CusterIdaho · United States769.2 km²36.6% of basin
11 intersecting protected areas
Wilderness
1907.57 km² overlap
Anadromous Spawning Area
IUCN VAnadromous Spawning Area
123.57 km² overlap
Wild and Scenic River
71.45 km² overlap
Anadromous Spawning Area
23.63 km² overlap
Soldier Lakes
IUCN IaResearch Natural Area
0.70 km² overlap
Marble Creek Ranch
IUCN VOther
0.65 km² overlap
Cameron Ranch
IUCN VOther
0.61 km² overlap
Sulphur Creek Ranch
IUCN VConservation Easement
0.34 km² overlap
Cougar Creek Ranch
IUCN VOther
0.27 km² overlap
2 more protected areassorted by overlap area
Chilcoot Peak
IUCN IaResearch Natural Area
0.20 km² overlap
Loon Creek Ranch
IUCN VOther
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
771 distinct species · 4 676 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 Middle Fork Salmon River : 25 espèces reliées par 108 interactions GloBI sur 5 types (connectance 11.4%, filtre Serrano α=0.2). 19 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°
0,9°C
Annual rain
561mm
Moisture idx (CMI)
-0,33
Runoff
390mm/an
PET
845mm
AET
468mm
Mean slope
21,2°
Water table
769cm
Forest
85%
Crops
0%
Urban
0%
Protected
91%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)