HydroBASINS lev08 watershed · #7080253370
Bassin de Rivière Métawishish
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
500,8km²
Upstream area
7 748,1km²
Discharge
166,85m³/s
Mean elev.
459m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Tournemine982 km²
- Bassin de Rivière Témiscamie661 km²
2 dept-equivalent regions (GADM L2)
- 476.6 km²94.8% of basin
- 26.0 km²5.2% of basin
8 intersecting protected areas
Quebec's national park
194.62 km² overlap
02662R007 Biological Refuge
IUCN IVBiological refuge
4.36 km² overlap
Biodiversity reserve
2.16 km² overlap
02551R138 Biological Refuge
IUCN IVBiological refuge
1.63 km² overlap
02662R008 Biological Refuge
IUCN IVBiological refuge
1.58 km² overlap
02662R025 Biological Refuge
IUCN IVBiological refuge
1.03 km² overlap
02551R134 Biological Refuge
IUCN IVBiological refuge
0.32 km² overlap
02551R133 Biological Refuge
IUCN IVBiological refuge
0.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
208 distinct species · 590 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 Métawishish : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 5 types (connectance 13.7%, filtre Serrano α=0.2). 15 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
906mm
Moisture idx (CMI)
0,37
Runoff
612mm/an
PET
568mm
AET
507mm
Mean slope
2,0°
Water table
31cm
Forest
90%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)