HydroBASINS lev08 watershed · #2080197610
Bassin de Очея
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 2 administrative regions : Lenskiy rayon, Udorskiy rayon
Sub-basin area
528,3km²
Upstream area
528,3km²
Discharge
3,31m³/s
Mean elev.
164m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Lenskiy rayonArkhangel'sk · Russia496.6 km²93.4% of basin
- 34.9 km²6.6% of basin
2 intersecting protected areas
Verhne-Vashkinskij
IUCN IVState Natural Zakaznik
0.15 km² overlap
Lenskij
IUCN IVState Natural Zakaznik
0.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 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°
-0,1°C
Annual rain
603mm
Moisture idx (CMI)
0,11
Runoff
199mm/an
PET
539mm
AET
414mm
Mean slope
3,1°
Water table
29cm
Forest
99%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)