HydroBASINS lev08 watershed · #7080308590
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
174,4km²
Upstream area
9 655,2km²
Discharge
182,91m³/s
Mean elev.
167m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Ouasiemsca3462 km²
- Bassin de Rivière Mistassini259 km²
1 dept-equivalent regions (GADM L2)
- 174.9 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
186 distinct species · 4 973 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 : 24 espèces reliées par 96 interactions GloBI sur 3 types (connectance 13.7%, filtre Serrano α=0.2). 14 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°
1,7°C
Annual rain
848mm
Moisture idx (CMI)
0,17
Runoff
509mm/an
PET
702mm
AET
565mm
Mean slope
0,7°
Water table
13cm
Forest
13%
Crops
5%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)