HydroBASINS lev08 watershed · #7080325950
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 2 administrative regions : La Haute-Côte-Nord, Le Fjord-du-Saguenay
Sub-basin area
2 104,8km²
Upstream area
2 104,9km²
Discharge
48,06m³/s
Mean elev.
548m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1679.0 km²79.5% of basin
- 432.3 km²20.5% of basin
30 intersecting protected areas
Biodiversity reserve
297.02 km² overlap
Biodiversity reserve
190.04 km² overlap
Quebec's national park
24.49 km² overlap
Quebec's national park
16.73 km² overlap
Ecological reserve
5.60 km² overlap
09751R137 Biological Refuge
IUCN IVBiological refuge
2.45 km² overlap
02352R037 Biological Refuge
IUCN IVBiological refuge
2.38 km² overlap
02352R047 Biological Refuge
IUCN IVBiological refuge
2.25 km² overlap
09751R075 Biological Refuge
IUCN IVBiological refuge
2.22 km² overlap
21 more protected areassorted by overlap area
09751R301 Biological Refuge
IUCN IVBiological refuge
2.04 km² overlap
Marine park
1.89 km² overlap
Marine Park
1.88 km² overlap
02352R032 Biological Refuge
IUCN IVBiological refuge
1.88 km² overlap
09751R076 Biological Refuge
IUCN IVBiological refuge
1.77 km² overlap
02352R048 Biological Refuge
IUCN IVBiological refuge
1.60 km² overlap
02352R049 Biological Refuge
IUCN IVBiological refuge
1.55 km² overlap
09751R131 Biological Refuge
IUCN IVBiological refuge
1.52 km² overlap
09751R125 Biological Refuge
IUCN IVBiological refuge
1.48 km² overlap
02352R036 Biological Refuge
IUCN IVBiological refuge
1.45 km² overlap
09751R134 Biological Refuge
IUCN IVBiological refuge
1.40 km² overlap
09751R081 Biological Refuge
IUCN IVBiological refuge
1.39 km² overlap
09751R128 Biological Refuge
IUCN IVBiological refuge
1.37 km² overlap
09751R126 Biological Refuge
IUCN IVBiological refuge
1.36 km² overlap
02352R033 Biological Refuge
IUCN IVBiological refuge
1.36 km² overlap
09751R133 Biological Refuge
IUCN IVBiological refuge
1.31 km² overlap
Ecological reserve
1.17 km² overlap
02352R050 Biological Refuge
IUCN IVBiological refuge
1.11 km² overlap
09751R130 Biological Refuge
IUCN IVBiological refuge
1.06 km² overlap
09751R123 Biological Refuge
IUCN IVBiological refuge
1.04 km² overlap
09751R122 Biological Refuge
IUCN IVBiological refuge
0.47 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
767 distinct species · 16 143 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 : 23 espèces reliées par 110 interactions GloBI sur 3 types (connectance 13.4%, filtre Serrano α=0.2). 18 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°
0,5°C
Annual rain
1 085mm
Moisture idx (CMI)
0,41
Runoff
706mm/an
PET
640mm
AET
583mm
Mean slope
8,7°
Water table
214cm
Forest
91%
Crops
0%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)