HydroBASINS lev08 watershed · #8080215780
Bassin de Tolstoi Creek
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-Koyukuk
Sub-basin area
975,6km²
Upstream area
975,7km²
Discharge
10,97m³/s
Mean elev.
259m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 981.7 km²100.0% of basin
1 intersecting protected areas
Innoko
IUCN IVNational Wildlife Refuge
98.36 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 distinct species · 19 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°
-4,2°C
Annual rain
439mm
Moisture idx (CMI)
-0,05
Runoff
371mm/an
PET
463mm
AET
341mm
Mean slope
7,1°
Water table
168cm
Forest
1%
Crops
0%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)