Ontologia

HydroBASINS lev08 watershed · #3080472230

Bassin · #3080472230

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 : Aldanskiy rayon, Olekminskiy rayon

Pfafstetter: 34242998

Sub-basin area

370,1km²

Upstream area

370,2km²

Discharge

2,17m³/s

Mean elev.

703m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Амга1162 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

3 intersecting protected areas

  • Olekminskij

    IUCN Ia

    State Natural Zapovednik

    368.87 km² overlap

  • Apparah

    IUCN VI

    Resource Reserve

    29.24 km² overlap

  • Tyylaah

    IUCN VI

    Resource Reserve

    6.72 km² overlap

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

Species present

4 distinct species · 5 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 obs · 4 cellules
Obs. / cellule
≥ 2
2–1
1–1
1–0
< 1

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°

-7,7°C

Annual rain

451mm

Moisture idx (CMI)

-0,15

Runoff

188mm/an

PET

533mm

AET

382mm

Mean slope

5,0°

Water table

116cm

Forest

92%

Crops

0%

Urban

0%

Protected

98%

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