HydroBASINS lev08 watershed · #7080033740
Bassin de Rivière Sainte-Marguerite
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 : Sept-Rivières--Caniapiscau
Sub-basin area
2 729,7km²
Upstream area
6 131,5km²
Discharge
162,3m³/s
Mean elev.
485m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
1 dept-equivalent regions (GADM L2)
- 2739.5 km²100.0% of basin
16 intersecting protected areas
09451R084 Biological Refuge
IUCN IVBiological refuge
8.21 km² overlap
09452R050 Biological Refuge
IUCN IVBiological refuge
5.91 km² overlap
09452R048 Biological Refuge
IUCN IVBiological refuge
5.00 km² overlap
09451R117 Biological Refuge
IUCN IVBiological refuge
4.53 km² overlap
09451R092 Biological Refuge
IUCN IVBiological refuge
4.51 km² overlap
09451R051 Biological Refuge
IUCN IVBiological refuge
3.57 km² overlap
09451R102 Biological Refuge
IUCN IVBiological refuge
2.38 km² overlap
09452R042 Biological Refuge
IUCN IVBiological refuge
1.39 km² overlap
09451R083 Biological Refuge
IUCN IVBiological refuge
1.25 km² overlap
7 more protected areassorted by overlap area
09451R036 Biological Refuge
IUCN IVBiological refuge
1.23 km² overlap
09451R054 Biological Refuge
IUCN IVBiological refuge
1.23 km² overlap
09451R118 Biological Refuge
IUCN IVBiological refuge
1.10 km² overlap
09452R035 Biological Refuge
IUCN IVBiological refuge
1.07 km² overlap
09452R029 Biological Refuge
IUCN IVBiological refuge
1.04 km² overlap
09452R036 Biological Refuge
IUCN IVBiological refuge
0.69 km² overlap
Lac-Cacaoui Old-Growth Forest
IUCN IIIOld-growth forest
0.45 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
337 distinct species · 7 989 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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-Marguerite : 19 espèces reliées par 76 interactions GloBI sur 3 types (connectance 15.3%, filtre Serrano α=0.2). 13 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°
-1,6°C
Annual rain
1 100mm
Moisture idx (CMI)
0,50
Runoff
816mm/an
PET
554mm
AET
526mm
Mean slope
7,4°
Water table
166cm
Forest
89%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)