HydroBASINS lev08 watershed · #3080486820
Bassin de Сень
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 : Kalarskiy rayon
Sub-basin area
474,4km²
Upstream area
3 268,9km²
Discharge
35,21m³/s
Mean elev.
758m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Холболок180 km²
- Bassin de Сень73 km²
1 dept-equivalent regions (GADM L2)
- 476.9 km²100.0% of basin
1 intersecting protected areas
Kodar
IUCN IbNational Park
0.26 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°
-8,4°C
Annual rain
369mm
Moisture idx (CMI)
-0,33
Runoff
304mm/an
PET
556mm
AET
328mm
Mean slope
9,3°
Water table
229cm
Forest
81%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)