Ontologia

HydroBASINS lev08 watershed · #3080385080

Bassin de Намана

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: 34258050

Sub-basin area

984,8km²

Upstream area

13 173,6km²

Discharge

29,2m³/s

Mean elev.

265m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Kejikte

    IUCN VI

    Resource Reserve

    45.27 km² overlap

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

Species present

5 distinct species · 6 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 obs · 3 cellules
Obs. / cellule
≥ 4
4–3
4–3
1–3
< 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°

-7,6°C

Annual rain

312mm

Moisture idx (CMI)

-0,44

Runoff

67mm/an

PET

560mm

AET

282mm

Mean slope

4,9°

Water table

108cm

Forest

100%

Crops

0%

Urban

0%

Protected

0%

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