HydroBASINS lev08 watershed · #3080409640
Bassin de Буотама
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 3 administrative regions : Aldanskiy rayon, Khangalasskiy (Ordzhonikidzkiy), Olekminskiy rayon
Sub-basin area
1 863,8km²
Upstream area
3 176,6km²
Discharge
9,64m³/s
Mean elev.
500m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #3080421530874 km²
- Bassin · #3080421240439 km²
3 dept-equivalent regions (GADM L2)
- 1586.5 km²84.6% of basin
- 257.7 km²13.7% of basin
- 30.2 km²1.6% of basin
2 intersecting protected areas
Lena Pillars Nature Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
532.83 km² overlap
Verhneamginskij
IUCN VIResource Reserve
285.72 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 3 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°
-9,1°C
Annual rain
397mm
Moisture idx (CMI)
-0,23
Runoff
85mm/an
PET
516mm
AET
342mm
Mean slope
4,4°
Water table
114cm
Forest
95%
Crops
0%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)