HydroBASINS lev08 watershed · #7080297320
Bassin de Mattawitchewan River
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 : Algoma, Cochrane
Sub-basin area
391,6km²
Upstream area
3 086,1km²
Discharge
32,6m³/s
Mean elev.
277m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Goat River723 km²
- Bassin de Mattawitchewan River230 km²
2 dept-equivalent regions (GADM L2)
- 269.3 km²68.5% of basin
- 123.6 km²31.5% of basin
3 intersecting protected areas
Privately Protected Area
146.99 km² overlap
NGO/Land Trust/Agency - Fee Simple Property
146.98 km² overlap
Provincial Park
0.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
20 distinct species · 33 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 13 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 Mattawitchewan River : 13 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 2 types (connectance 11.5%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
0,4°C
Annual rain
792mm
Moisture idx (CMI)
0,08
Runoff
367mm/an
PET
729mm
AET
539mm
Mean slope
0,7°
Water table
10cm
Forest
94%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)