HydroBASINS lev08 watershed · #3080487790
Bassin de Чая
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 : Kirenskiy rayon, Mamsko-Chuyskiy rayon
Sub-basin area
1 750,2km²
Upstream area
1 750,2km²
Discharge
18,67m³/s
Mean elev.
628m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Kirenskiy rayonIrkutsk · Russia1526.6 km²86.8% of basin
- Mamsko-Chuyskiy rayonIrkutsk · Russia232.6 km²13.2% of basin
1 intersecting protected areas
CHajskij
IUCN IVState Natural Zakaznik
89.59 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 distinct species · 8 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°
-5,8°C
Annual rain
418mm
Moisture idx (CMI)
-0,25
Runoff
338mm/an
PET
559mm
AET
358mm
Mean slope
6,6°
Water table
150cm
Forest
92%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)