HydroBASINS lev08 watershed · #3080491420
Bassin de Мама
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 : Bodaybinskiy rayon, Mamsko-Chuyskiy rayon
Sub-basin area
336,9km²
Upstream area
336,9km²
Discharge
4,48m³/s
Mean elev.
777m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Mamsko-Chuyskiy rayonIrkutsk · Russia222.6 km²65.7% of basin
- Bodaybinskiy rayonIrkutsk · Russia116.0 km²34.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
11 distinct species · 12 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°
-7,4°C
Annual rain
473mm
Moisture idx (CMI)
-0,13
Runoff
418mm/an
PET
543mm
AET
395mm
Mean slope
10,2°
Water table
267cm
Forest
93%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)