HydroBASINS lev08 watershed · #4080100280
Bassin de Амгунь
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 : im. Poliny Osipenko rayon
Sub-basin area
16,2km²
Upstream area
46 543,9km²
Discharge
407,84m³/s
Mean elev.
62m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Амгунь173 km²
- Bassin de Амгунь17 km²
1 dept-equivalent regions (GADM L2)
- im. Poliny Osipenko rayonKhabarovsk · Russia16.2 km²100.0% of basin
1 intersecting protected areas
Reka Somnya
IUCN IIINatural Monument
5.20 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 3 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°
-1,6°C
Annual rain
564mm
Moisture idx (CMI)
-0,03
Runoff
237mm/an
PET
579mm
AET
440mm
Mean slope
3,9°
Water table
50cm
Forest
40%
Crops
0%
Urban
0%
Protected
32%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)