HydroBASINS lev08 watershed · #7080275070
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 2 administrative regions : Maria-Chapdelaine, Nord-du-Québec
Sub-basin area
1 562,7km²
Upstream area
1 562,8km²
Discharge
30,61m³/s
Mean elev.
509m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1532.7 km²97.7% of basin
- 35.4 km²2.3% of basin
13 intersecting protected areas
Biodiversity reserve
29.25 km² overlap
02551R142 Biological Refuge
IUCN IVBiological refuge
9.62 km² overlap
02551R145 Biological Refuge
IUCN IVBiological refuge
4.50 km² overlap
02551R149 Biological Refuge
IUCN IVBiological refuge
3.91 km² overlap
02551R127 Biological Refuge
IUCN IVBiological refuge
3.17 km² overlap
02551R126 Biological Refuge
IUCN IVBiological refuge
2.90 km² overlap
02551R147 Biological Refuge
IUCN IVBiological refuge
2.64 km² overlap
02551R123 Biological Refuge
IUCN IVBiological refuge
2.63 km² overlap
02551R125 Biological Refuge
IUCN IVBiological refuge
1.83 km² overlap
4 more protected areassorted by overlap area
02551R112 Biological Refuge
IUCN IVBiological refuge
1.62 km² overlap
02551R111 Biological Refuge
IUCN IVBiological refuge
1.32 km² overlap
02662R026 Biological Refuge
IUCN IVBiological refuge
1.21 km² overlap
Quebec's national park
0.27 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
116 distinct species · 578 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 4 types (connectance 13.0%, filtre Serrano α=0.2). 11 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°
-1,5°C
Annual rain
941mm
Moisture idx (CMI)
0,38
Runoff
619mm/an
PET
582mm
AET
525mm
Mean slope
3,7°
Water table
74cm
Forest
91%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)