HydroBASINS lev08 watershed · #8080210020
Bassin de Stewart 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 1 administrative regions : Yukon
Sub-basin area
954,7km²
Upstream area
10 922,6km²
Discharge
106,56m³/s
Mean elev.
860m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Beaver River421 km²
- Bassin de Stewart River167 km²
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
35 distinct species · 58 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 Stewart River : 15 espèces reliées par 13 interactions GloBI sur 3 types (connectance 12.4%, 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°
-5,2°C
Annual rain
339mm
Moisture idx (CMI)
-0,34
Runoff
308mm/an
PET
513mm
AET
297mm
Mean slope
8,3°
Water table
191cm
Forest
55%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)