Ontologia

HydroBASINS lev08 watershed · #3080135650

Bassin de Ольджо

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 : Verkhoyanskiy rayon

4% lakePfafstetter: 35123061

Sub-basin area

2 517,2km²

Upstream area

16 021,7km²

Discharge

59,39m³/s

Mean elev.

339m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Яна310 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Old`o

    IUCN VI

    Resource Reserve

    1394.22 km² overlap

  • Tuostah

    IUCN VI

    Resource Reserve

    17.15 km² overlap

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

Species present

16 distinct species · 16 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 obs · 14 cellules
Obs. / cellule
≥ 3
1–2
1–0
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°

-16,1°C

Annual rain

231mm

Moisture idx (CMI)

-0,44

Runoff

107mm/an

PET

413mm

AET

222mm

Mean slope

6,7°

Water table

139cm

Forest

58%

Crops

0%

Urban

0%

Protected

77%

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