HydroBASINS lev08 watershed · #4080116770
Bassin de Онон
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 : Mogoytuyskiy rayon, Shilkinskiy rayon
Sub-basin area
187,4km²
Upstream area
187,4km²
Discharge
0,62m³/s
Mean elev.
705m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 157.5 km²83.7% of basin
- 30.6 km²16.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
14 distinct species · 14 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°
-2,9°C
Annual rain
366mm
Moisture idx (CMI)
-0,49
Runoff
106mm/an
PET
713mm
AET
327mm
Mean slope
4,7°
Water table
133cm
Forest
0%
Crops
8%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)