HydroBASINS lev08 watershed · #7080366550
Bassin de Rivière Sainte-Anne
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 : Portneuf
Sub-basin area
287,2km²
Upstream area
1 824,7km²
Discharge
52,02m³/s
Mean elev.
191m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Sainte-Anne751 km²
- Bassin de Bras du Nord239 km²
1 intersecting protected areas
03151R041 Biological Refuge
IUCN IVBiological refuge
0.59 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
655 distinct species · 9 916 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 Sainte-Anne : 25 espèces reliées par 84 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 11 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°
3,9°C
Annual rain
1 100mm
Moisture idx (CMI)
0,31
Runoff
788mm/an
PET
753mm
AET
651mm
Mean slope
4,4°
Water table
145cm
Forest
88%
Crops
9%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)