HydroBASINS lev08 watershed · #7080402030
Bassin de Rivière Saint-François
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 : La Région-Sherbrookoise
Sub-basin area
23,2km²
Upstream area
5 995,1km²
Discharge
142,49m³/s
Mean elev.
206m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Tomifobia1715 km²
- Bassin de Rivière Saint-François1313 km²
1 dept-equivalent regions (GADM L2)
- 23.2 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 482 distinct species · 187 802 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 Rivière Saint-François : 25 espèces reliées par 81 interactions GloBI sur 4 types (connectance 13.6%, filtre Serrano α=0.2). 10 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°
4,7°C
Annual rain
1 063mm
Moisture idx (CMI)
0,22
Runoff
743mm/an
PET
829mm
AET
691mm
Mean slope
3,8°
Water table
156cm
Forest
78%
Crops
9%
Urban
78%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)