HydroBASINS lev08 watershed · #3080299140
Bassin de Сеймчан
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 : Srednekanskiy rayon
Sub-basin area
236,4km²
Upstream area
1 257,4km²
Discharge
15,01m³/s
Mean elev.
554m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Сеймчан665 km²
- Bassin de Ундина356 km²
1 dept-equivalent regions (GADM L2)
- 237.9 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 distinct species · 4 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°
-12,9°C
Annual rain
319mm
Moisture idx (CMI)
-0,28
Runoff
354mm/an
PET
445mm
AET
280mm
Mean slope
6,4°
Water table
131cm
Forest
63%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)