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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
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)