Ontologia

HydroBASINS lev08 watershed · #3080333110

Bassin de Наяхан

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 : Severo-Evenskiy rayon

Pfafstetter: 35601547

Sub-basin area

374,7km²

Upstream area

1 174,1km²

Discharge

11,24m³/s

Mean elev.

908m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

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

Species present

5 distinct species · 5 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 obs · 3 cellules
Obs. / cellule
≥ 2
2–1
2–1
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°

-12,6°C

Annual rain

443mm

Moisture idx (CMI)

0,21

Runoff

364mm/an

PET

348mm

AET

293mm

Mean slope

18,9°

Water table

450cm

Forest

23%

Crops

0%

Urban

0%

Protected

0%

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