HydroBASINS lev08 watershed · #7080314220
Bassin de Rivière Toussaint
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 : Le Haut-Saint-Maurice, Nord-du-Québec
Sub-basin area
2 413,2km²
Upstream area
2 413,2km²
Discharge
40,6m³/s
Mean elev.
432m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 2249.2 km²92.9% of basin
- 171.5 km²7.1% of basin
22 intersecting protected areas
Proposed biodiversity reserve
127.30 km² overlap
Land reserved for protected area
26.67 km² overlap
Proposed biodiversity reserve
16.46 km² overlap
04351R069 Biological Refuge
IUCN IVBiological refuge
3.05 km² overlap
02651R029 Biological Refuge
IUCN IVBiological refuge
2.14 km² overlap
02651R003 Biological Refuge
IUCN IVBiological refuge
1.59 km² overlap
04351R076 Biological Refuge
IUCN IVBiological refuge
1.50 km² overlap
02651R002 Biological Refuge
IUCN IVBiological refuge
1.43 km² overlap
04351R065 Biological Refuge
IUCN IVBiological refuge
1.31 km² overlap
13 more protected areassorted by overlap area
02651R016 Biological Refuge
IUCN IVBiological refuge
1.29 km² overlap
02651R024 Biological Refuge
IUCN IVBiological refuge
1.22 km² overlap
04351R077 Biological Refuge
IUCN IVBiological refuge
1.19 km² overlap
02651R026 Biological Refuge
IUCN IVBiological refuge
1.14 km² overlap
02651R023 Biological Refuge
IUCN IVBiological refuge
1.13 km² overlap
02651R022 Biological Refuge
IUCN IVBiological refuge
1.11 km² overlap
02651R018 Biological Refuge
IUCN IVBiological refuge
1.05 km² overlap
02651R017 Biological Refuge
IUCN IVBiological refuge
1.04 km² overlap
02664R007 Biological Refuge
IUCN IVBiological refuge
0.72 km² overlap
02651R004 Biological Refuge
IUCN IVBiological refuge
0.40 km² overlap
04351R038 Biological Refuge
IUCN IVBiological refuge
0.37 km² overlap
02651R019 Biological Refuge
IUCN IVBiological refuge
0.13 km² overlap
04351R050 Biological Refuge
IUCN IVBiological refuge
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
183 distinct species · 820 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Toussaint : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 83 interactions GloBI sur 4 types (connectance 9.6%, 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°
0,6°C
Annual rain
1 011mm
Moisture idx (CMI)
0,34
Runoff
543mm/an
PET
665mm
AET
581mm
Mean slope
2,2°
Water table
40cm
Forest
68%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)