HydroBASINS lev08 watershed · #7080360760
Bassin de Rivière Matawin
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 4 administrative regions : Le Centre-de-la-Mauricie, Maskinongé, Matawinie, Mékinac
Sub-basin area
582,2km²
Upstream area
5 474,8km²
Discharge
79,57m³/s
Mean elev.
399m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Matawin879 km²
- Bassin de Rivière à la Chienne288 km²
4 dept-equivalent regions (GADM L2)
- 277.6 km²47.6% of basin
- 210.5 km²36.1% of basin
- 70.1 km²12.0% of basin
- 25.6 km²4.4% of basin
10 intersecting protected areas
National Park
66.17 km² overlap
04151R013 Biological Refuge
IUCN IVBiological refuge
2.79 km² overlap
Ecological reserve
1.87 km² overlap
04151R018 Biological Refuge
IUCN IVBiological refuge
1.29 km² overlap
04151R937 Biological Refuge
IUCN IVBiological refuge
1.23 km² overlap
04151R093 Biological Refuge
IUCN IVBiological refuge
1.07 km² overlap
04151R091 Biological Refuge
IUCN IVBiological refuge
0.62 km² overlap
04151R944 Biological Refuge
IUCN IVBiological refuge
0.48 km² overlap
04151R090 Biological Refuge
IUCN IVBiological refuge
0.36 km² overlap
1 more protected areassorted by overlap area
04151R019 Biological Refuge
IUCN IVBiological refuge
0.29 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
276 distinct species · 1 330 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 Matawin : 28 espèces reliées par 103 interactions GloBI sur 3 types (connectance 10.4%, filtre Serrano α=0.2). 17 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°
2,7°C
Annual rain
1 081mm
Moisture idx (CMI)
0,31
Runoff
499mm/an
PET
750mm
AET
638mm
Mean slope
6,6°
Water table
174cm
Forest
97%
Crops
0%
Urban
0%
Protected
12%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)