HydroBASINS lev08 watershed · #7080227160
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
1 122,7km²
Upstream area
12 172,3km²
Discharge
294,12m³/s
Mean elev.
396m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Eastmain966 km²
- Bassin de Rivière Eastmain692 km²
1 dept-equivalent regions (GADM L2)
- 1127.1 km²100.0% of basin
1 intersecting protected areas
Land reserved for protected area
0.65 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
129 distinct species · 184 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 : 22 espèces reliées par 40 interactions GloBI sur 3 types (connectance 8.6%, filtre Serrano α=0.2). 9 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°
-2,6°C
Annual rain
829mm
Moisture idx (CMI)
0,37
Runoff
755mm/an
PET
524mm
AET
466mm
Mean slope
1,7°
Water table
14cm
Forest
47%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)