HydroBASINS lev08 watershed · #3080552040
Bassin de Уян
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 : Ayano-Mayskiy rayon, Tuguro-Chumikanskiy rayon
Sub-basin area
312,1km²
Upstream area
312,2km²
Discharge
3,44m³/s
Mean elev.
1 218m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Ayano-Mayskiy rayonKhabarovsk · Russia310.9 km²99.2% of basin
- Tuguro-Chumikanskiy rayonKhabarovsk · Russia2.7 km²0.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 6 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°
-11,4°C
Annual rain
678mm
Moisture idx (CMI)
0,32
Runoff
330mm/an
PET
457mm
AET
431mm
Mean slope
16,3°
Water table
413cm
Forest
33%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)