Ontologia

HydroBASINS lev08 watershed · #3080405390

Bassin de Лена

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

Pfafstetter: 34257095

Sub-basin area

576,8km²

Upstream area

787 525,1km²

Discharge

7 153,88m³/s

Mean elev.

357m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

18 distinct species · 24 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 obs · 2 cellules
Obs. / cellule
≥ 23
23–22
23–22
23–22
< 23

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Hydroclimate (BasinATLAS lev08)

Mean T°

-7,6°C

Annual rain

343mm

Moisture idx (CMI)

-0,38

Runoff

43mm/an

PET

553mm

AET

304mm

Mean slope

7,5°

Water table

231cm

Forest

91%

Crops

0%

Urban

0%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)