HydroBASINS lev08 watershed · #3080414830
Bassin de Большая Ерёма
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 : Katangskiy rayon
Sub-basin area
677,1km²
Upstream area
12 987,9km²
Discharge
41,06m³/s
Mean elev.
357m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большая Ерёма1506 km²
- Bassin de Большая Чайка58 km²
1 dept-equivalent regions (GADM L2)
- Katangskiy rayonIrkutsk · Russia680.9 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 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°
-6,8°C
Annual rain
361mm
Moisture idx (CMI)
-0,35
Runoff
109mm/an
PET
560mm
AET
317mm
Mean slope
4,0°
Water table
82cm
Forest
98%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)