HydroBASINS lev08 watershed · #7080312720
Bassin de Rivière Mattawasaga
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 : Abitibi-Ouest, Cochrane
Sub-basin area
693,6km²
Upstream area
5 537km²
Discharge
64,29m³/s
Mean elev.
286m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière La Reine777 km²
- Bassin de Antoine Creek337 km²
2 dept-equivalent regions (GADM L2)
- 671.0 km²96.4% of basin
- 24.8 km²3.6% of basin
3 intersecting protected areas
Conservation Reserve
23.51 km² overlap
Conservation Reserve
21.10 km² overlap
Provincial Park
10.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
262 distinct species · 894 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Mattawasaga : 23 espèces reliées par 94 interactions GloBI sur 5 types (connectance 12.7%, filtre Serrano α=0.2). 16 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
837mm
Moisture idx (CMI)
0,15
Runoff
406mm/an
PET
711mm
AET
563mm
Mean slope
1,5°
Water table
25cm
Forest
62%
Crops
1%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)