Ontologia

HydroBASINS lev08 watershed · #3080420270

Bassin · #3080420270

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: 34273029

Sub-basin area

1 556,2km²

Upstream area

1 556,7km²

Discharge

8,85m³/s

Mean elev.

352m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

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

Species present

56 distinct species · 56 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

56 obs · 27 cellules
Obs. / cellule
≥ 4
3–3
2–2
2–1
< 2

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°

-7,5°C

Annual rain

329mm

Moisture idx (CMI)

-0,42

Runoff

170mm/an

PET

570mm

AET

295mm

Mean slope

3,6°

Water table

87cm

Forest

97%

Crops

0%

Urban

0%

Protected

0%

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