HydroBASINS lev08 watershed · #3080402620
Bassin de Намана
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 : Olekminskiy rayon
Sub-basin area
1 518,9km²
Upstream area
17 058km²
Discharge
36,9m³/s
Mean elev.
278m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Намана766 km²
- Bassin de Намана259 km²
1 dept-equivalent regions (GADM L2)
- 1527.7 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
46 distinct species · 46 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°
-7,2°C
Annual rain
319mm
Moisture idx (CMI)
-0,44
Runoff
51mm/an
PET
569mm
AET
286mm
Mean slope
4,8°
Water table
97cm
Forest
99%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)