Ontologia

HydroBASINS lev08 watershed · #3080381240

Bassin de Дерба

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 : Lenskiy rayon

Pfafstetter: 34225605

Sub-basin area

56,6km²

Upstream area

3 365,3km²

Discharge

17,58m³/s

Mean elev.

269m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin · #3080379220187 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Ergedzhej

    IUCN VI

    Resource Reserve

    8.68 km² overlap

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

Species present

1 distinct species · 1 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 obs · 1 cellules
Obs. / cellule
≥ 1
1–0
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°

-7,9°C

Annual rain

330mm

Moisture idx (CMI)

-0,41

Runoff

178mm/an

PET

558mm

AET

295mm

Mean slope

2,8°

Water table

50cm

Forest

74%

Crops

0%

Urban

0%

Protected

17%

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