HydroBASINS lev08 watershed · #7080222340
Bassin de Rivière Eastmain
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 1 administrative regions : Nord-du-Québec
Sub-basin area
966km²
Upstream area
10 358,2km²
Discharge
251,24m³/s
Mean elev.
446m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Misask1501 km²
- Bassin de Rivière Eastmain201 km²
1 dept-equivalent regions (GADM L2)
- 969.8 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
166 distinct species · 227 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Eastmain : 18 espèces reliées par 43 interactions GloBI sur 2 types (connectance 11.4%, filtre Serrano α=0.2). 10 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°
-3,1°C
Annual rain
829mm
Moisture idx (CMI)
0,39
Runoff
754mm/an
PET
505mm
AET
458mm
Mean slope
1,5°
Water table
9cm
Forest
62%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)