HydroBASINS lev08 watershed · #7080343360
Bassin de Missouri 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 : McLean, Mercer
Sub-basin area
584,4km²
Upstream area
460 233,6km²
Discharge
798,49m³/s
Mean elev.
594m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Missouri River360 km²
- Bassin de Beaver Creek191 km²
2 dept-equivalent regions (GADM L2)
- McLean318.7 km²54.4% of basin
- Mercer267.4 km²45.6% of basin
3 intersecting protected areas
Hille
IUCN VState Wildlife Management Area
12.74 km² overlap
Douglas Creek
IUCN VState Wildlife Management Area
4.31 km² overlap
Reserve Program
0.19 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
247 distinct species · 1 560 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Missouri River : 25 espèces reliées par 116 interactions GloBI sur 4 types (connectance 19.5%, 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°
5,0°C
Annual rain
424mm
Moisture idx (CMI)
-0,54
Runoff
60mm/an
PET
915mm
AET
370mm
Mean slope
1,2°
Water table
141cm
Forest
10%
Crops
50%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)