HydroBASINS lev08 watershed · #7080270120
Bassin de South Saskatchewan 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 1 administrative regions : Division No. 1
Sub-basin area
422,7km²
Upstream area
60 595,2km²
Discharge
206,9m³/s
Mean elev.
699m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
1 dept-equivalent regions (GADM L2)
- 424.2 km²100.0% of basin
2 intersecting protected areas
National Wildlife Area
131.76 km² overlap
Natural Area
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
407 distinct species · 7 935 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 South Saskatchewan River : 22 espèces reliées par 119 interactions GloBI sur 4 types (connectance 18.9%, 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°
4,4°C
Annual rain
323mm
Moisture idx (CMI)
-0,63
Runoff
40mm/an
PET
870mm
AET
286mm
Mean slope
2,1°
Water table
391cm
Forest
2%
Crops
15%
Urban
0%
Protected
50%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)