HydroBASINS lev08 watershed · #7080305540
Bassin de Rivière Mistassini
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 : Maria-Chapdelaine
Sub-basin area
258,6km²
Upstream area
6 018,7km²
Discharge
114,4m³/s
Mean elev.
240m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Mistassini1892 km²
- Bassin de Rivière Samaqua1451 km²
1 dept-equivalent regions (GADM L2)
- 259.4 km²100.0% of basin
3 intersecting protected areas
02551R040 Biological Refuge
IUCN IVBiological refuge
2.67 km² overlap
02551R038 Biological Refuge
IUCN IVBiological refuge
1.29 km² overlap
02551R041 Biological Refuge
IUCN IVBiological refuge
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
160 distinct species · 505 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 Mistassini : 23 espèces reliées par 72 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 12 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°
1,0°C
Annual rain
879mm
Moisture idx (CMI)
0,22
Runoff
533mm/an
PET
681mm
AET
564mm
Mean slope
2,4°
Water table
46cm
Forest
79%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)