HydroBASINS lev08 watershed · #7080290770
Bassin de Souris 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 : Division No. 5, Division No. 6, Division No. 7
Sub-basin area
515,2km²
Upstream area
52 795,1km²
Discharge
77,08m³/s
Mean elev.
450m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Medora Creek1289 km²
- Bassin de Souris River169 km²
3 dept-equivalent regions (GADM L2)
- 367.4 km²71.1% of basin
- 123.5 km²23.9% of basin
- 26.0 km²5.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
487 distinct species · 5 254 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Souris River : 18 espèces reliées par 95 interactions GloBI sur 4 types (connectance 21.8%, filtre Serrano α=0.2). 12 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°
2,6°C
Annual rain
447mm
Moisture idx (CMI)
-0,45
Runoff
35mm/an
PET
815mm
AET
388mm
Mean slope
0,2°
Water table
8cm
Forest
4%
Crops
62%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)