HydroBASINS lev08 watershed · #7080342130
Bassin de Little 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 : Dunn, McKenzie
Sub-basin area
1 448,4km²
Upstream area
24 383,5km²
Discharge
17,61m³/s
Mean elev.
656m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Little Missouri River2272 km²
- Bassin de Cherry Creek907 km²
2 dept-equivalent regions (GADM L2)
- 1343.6 km²92.5% of basin
- 108.9 km²7.5% of basin
1 intersecting protected areas
Lost Bridge
IUCN VState Wildlife Management Area
1.88 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
443 distinct species · 3 234 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Little Missouri River : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 116 interactions GloBI sur 5 types (connectance 15.7%, filtre Serrano α=0.2). 14 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°
5,3°C
Annual rain
421mm
Moisture idx (CMI)
-0,55
Runoff
51mm/an
PET
930mm
AET
367mm
Mean slope
4,6°
Water table
307cm
Forest
46%
Crops
27%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)