HydroBASINS lev08 watershed · #2080194940
Bassin de Оса
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 : Udorskiy rayon
Sub-basin area
183,8km²
Upstream area
1 264,2km²
Discharge
11,77m³/s
Mean elev.
145m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Оса740 km²
- Bassin de Мытка340 km²
1 dept-equivalent regions (GADM L2)
- 184.9 km²100.0% of basin
1 intersecting protected areas
Verhne-Vashkinskij
IUCN IVState Natural Zakaznik
29.95 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
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
0,0°C
Annual rain
587mm
Moisture idx (CMI)
0,07
Runoff
290mm/an
PET
545mm
AET
416mm
Mean slope
3,1°
Water table
20cm
Forest
100%
Crops
0%
Urban
0%
Protected
24%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)