HydroBASINS lev08 watershed · #3080551450
Bassin de Андоча
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 3 administrative regions : Bratskiy rayon, Chunskiy rayon, Nizhneudinskiy rayon
Sub-basin area
1 478,6km²
Upstream area
1 478,6km²
Discharge
5,3m³/s
Mean elev.
388m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Chunskiy rayonIrkutsk · Russia1223.0 km²82.3% of basin
- Nizhneudinskiy rayonIrkutsk · Russia131.4 km²8.8% of basin
- Bratskiy rayonIrkutsk · Russia131.1 km²8.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
25 distinct species · 25 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°
-1,2°C
Annual rain
385mm
Moisture idx (CMI)
-0,43
Runoff
113mm/an
PET
674mm
AET
338mm
Mean slope
3,5°
Water table
75cm
Forest
90%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)