HydroBASINS lev08 watershed · #3080502320
Bassin de Грама
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 : Nizhneilimskiy rayon, Ust'-Ilimskiy rayon, Ust'-Kutskiy rayon
Sub-basin area
281,9km²
Upstream area
281,9km²
Discharge
2,95m³/s
Mean elev.
446m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Nizhneilimskiy rayonIrkutsk · Russia113.4 km²40.0% of basin
- Ust'-Ilimskiy rayonIrkutsk · Russia96.1 km²33.9% of basin
- Ust'-Kutskiy rayonIrkutsk · Russia73.8 km²26.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
-4,2°C
Annual rain
404mm
Moisture idx (CMI)
-0,35
Runoff
324mm/an
PET
625mm
AET
351mm
Mean slope
4,2°
Water table
61cm
Forest
100%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)