HydroBASINS lev08 watershed · #7080225140
Bassin de Rivière Seignelay
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 : Sept-Rivières--Caniapiscau
Sub-basin area
798,2km²
Upstream area
1 666,1km²
Discharge
34,94m³/s
Mean elev.
637m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Seignelay275 km²
- Bassin de Rivière Seignelay204 km²
1 dept-equivalent regions (GADM L2)
- 801.3 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
-3,6°C
Annual rain
976mm
Moisture idx (CMI)
0,49
Runoff
647mm/an
PET
501mm
AET
479mm
Mean slope
3,1°
Water table
53cm
Forest
70%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)