HydroBASINS lev08 watershed · #3080502160
Bassin de Олёкма
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 : Olekminskiy rayon
Sub-basin area
235km²
Upstream area
95 845,3km²
Discharge
934,67m³/s
Mean elev.
830m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Килейкеннях169 km²
- Bassin de Олёкма9 km²
1 dept-equivalent regions (GADM L2)
- 236.2 km²100.0% of basin
1 intersecting protected areas
WWF-Saha (CHaruoda)
IUCN VIResource Reserve
150.53 km² overlap
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°
-8,0°C
Annual rain
434mm
Moisture idx (CMI)
-0,20
Runoff
300mm/an
PET
546mm
AET
374mm
Mean slope
13,5°
Water table
313cm
Forest
71%
Crops
0%
Urban
0%
Protected
60%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)