HydroBASINS lev08 watershed · #7080477010
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 3 administrative regions : Clay, Dixon, Union
Sub-basin area
316,6km²
Upstream area
767 247,9km²
Discharge
1 007,4m³/s
Mean elev.
351m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Missouri River318 km²
- Bassin de Vermillion River31 km²
3 dept-equivalent regions (GADM L2)
- Union165.4 km²52.1% of basin
- 97.5 km²30.7% of basin
- Clay54.3 km²17.1% of basin
7 intersecting protected areas
Elk Point Bend
IUCN VWildlife Management Area
2.53 km² overlap
Warren
IUCN IbWilderness
0.66 km² overlap
Cusick
IUCN VState Wildlife Management Area
0.46 km² overlap
Donnelly
IUCN VState Wildlife Management Area
0.28 km² overlap
Reserve Program
0.06 km² overlap
Rosenbaum
IUCN VWildlife Management Area
0.05 km² overlap
Wetlands Reserve Program (WRP)
IUCN Not AssignedReserve Program
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 165 distinct species · 74 171 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 73 interactions GloBI sur 3 types (connectance 13.0%, 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°
8,8°C
Annual rain
658mm
Moisture idx (CMI)
-0,38
Runoff
140mm/an
PET
1 059mm
AET
562mm
Mean slope
0,9°
Water table
82cm
Forest
27%
Crops
67%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)