HydroBASINS lev08 watershed · #7080497940
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 : Burt, Harrison
Sub-basin area
64,9km²
Upstream area
805 598,3km²
Discharge
1 150,41m³/s
Mean elev.
312m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Missouri River1958 km²
- Bassin de Little Sioux River226 km²
2 dept-equivalent regions (GADM L2)
- 42.1 km²64.7% of basin
- HarrisonIowa · United States23.0 km²35.3% of basin
8 intersecting protected areas
Reserve Program
4.15 km² overlap
Reserve Program
0.79 km² overlap
Gleason-Hubel
IUCN VWildlife Area
0.61 km² overlap
Upper Bullard Bend
IUCN VWildlife Management Area
0.15 km² overlap
Gee-Hruska
IUCN VWetland Area
0.13 km² overlap
O'Day Wetland Rest
IUCN VWetland
0.08 km² overlap
Lower Bullard Bend
IUCN VWildlife Management Area
0.08 km² overlap
Reserve Program
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
128 distinct species · 433 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 : 28 espèces reliées par 66 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 8 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°
9,8°C
Annual rain
753mm
Moisture idx (CMI)
-0,29
Runoff
154mm/an
PET
1 067mm
AET
639mm
Mean slope
0,6°
Water table
31cm
Forest
20%
Crops
87%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)