HydroBASINS lev08 watershed · #3080605890
Bassin de Игна
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 : Zalarinskiy rayon, Ziminskiy rayon
Sub-basin area
348,2km²
Upstream area
348,2km²
Discharge
2,86m³/s
Mean elev.
513m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Ziminskiy rayonIrkutsk · Russia347.2 km²99.3% of basin
- Zalarinskiy rayonIrkutsk · Russia2.5 km²0.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
10 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°
-1,4°C
Annual rain
356mm
Moisture idx (CMI)
-0,49
Runoff
258mm/an
PET
697mm
AET
316mm
Mean slope
0,5°
Water table
6cm
Forest
90%
Crops
15%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)