HydroBASINS lev08 watershed · #3080563610
Bassin de Улькан
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 : Kazachinsko-Lenskiy rayon
Sub-basin area
284,9km²
Upstream area
3 943,9km²
Discharge
38,84m³/s
Mean elev.
603m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Верхняя Ирель1041 km²
- Bassin de Улькан210 km²
1 dept-equivalent regions (GADM L2)
- Kazachinsko-Lenskiy rayonIrkutsk · Russia286.2 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 distinct species · 5 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°
-3,9°C
Annual rain
377mm
Moisture idx (CMI)
-0,37
Runoff
346mm/an
PET
601mm
AET
331mm
Mean slope
4,5°
Water table
84cm
Forest
95%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)