HydroBASINS lev08 watershed · #7080555980
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 4 administrative regions : Carroll, Lafayette, Ray, Saline
Sub-basin area
1 084,8km²
Upstream area
1 229 025km²
Discharge
2 026,6m³/s
Mean elev.
222m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Missouri River1203 km²
- Bassin de Crooked River890 km²
4 dept-equivalent regions (GADM L2)
- Lafayette434.3 km²40.0% of basin
- Carroll371.1 km²34.2% of basin
- Saline199.1 km²18.3% of basin
- 81.3 km²7.5% of basin
20 intersecting protected areas
Grand Pass
IUCN VConservation Area
21.63 km² overlap
Big Muddy National Fish And
IUCN IVWildlife Refuge
9.10 km² overlap
Reserve Program
5.62 km² overlap
Baltimore Bend
IUCN VConservation Area
4.00 km² overlap
Van Meter
IUCN IIIState Park
2.56 km² overlap
Reserve Program
2.47 km² overlap
Watershed Protection
1.48 km² overlap
Oumessourit
IUCN VNatural Area
1.34 km² overlap
Watershed Protection
0.96 km² overlap
11 more protected areassorted by overlap area
Reserve Program
0.70 km² overlap
Reserve Program
0.61 km² overlap
Confederate Memorial
IUCN IIIState Historic Site
0.54 km² overlap
Reserve Program
0.30 km² overlap
Reserve Program
0.20 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Carroll, MO
IUCN Not AssignedConservation Easement
0.16 km² overlap
Conservation Easement
0.16 km² overlap
Reserve Program
0.14 km² overlap
Reserve Program
0.11 km² overlap
Reserve Program
0.10 km² overlap
Miami
IUCN VAccess
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
873 distinct species · 38 457 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 : 26 espèces reliées par 63 interactions GloBI sur 3 types (connectance 10.6%, 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°
12,1°C
Annual rain
984mm
Moisture idx (CMI)
-0,14
Runoff
270mm/an
PET
1 145mm
AET
832mm
Mean slope
0,8°
Water table
66cm
Forest
17%
Crops
76%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)