HydroBASINS lev08 watershed · #3080373600
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 2 administrative regions : Olekminskiy rayon, Suntarskiy rayon
Sub-basin area
1 631,6km²
Upstream area
1 631,6km²
Discharge
4,06m³/s
Mean elev.
263m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1610.6 km²98.1% of basin
- 30.7 km²1.9% of basin
1 intersecting protected areas
Kejikte
IUCN VIResource Reserve
4.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 6 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°
-7,7°C
Annual rain
309mm
Moisture idx (CMI)
-0,45
Runoff
82mm/an
PET
560mm
AET
280mm
Mean slope
3,6°
Water table
92cm
Forest
99%
Crops
0%
Urban
0%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)