Ontologia

HydroBASINS lev08 watershed · #3080416640

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: 34273010

Sub-basin area

247km²

Upstream area

542 872,8km²

Discharge

5 155,7m³/s

Mean elev.

313m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • CHerendej

    IUCN VI

    Resource Reserve

    0.60 km² overlap

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

Species present

12 distinct species · 12 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 obs · 3 cellules
Obs. / cellule
≥ 6
6–5
6–5
5–5
< 5

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°

-7,0°C

Annual rain

321mm

Moisture idx (CMI)

-0,45

Runoff

170mm/an

PET

581mm

AET

289mm

Mean slope

7,8°

Water table

192cm

Forest

75%

Crops

0%

Urban

0%

Protected

0%

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