Ontologia

HydroBASINS lev08 watershed · #3080163590

Bassin de Северная Седедема

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 3 administrative regions : Abyyskiy rayon, Srednekolymskiy rayon, Verkhnekolymskiy rayon

Pfafstetter: 35185489

Sub-basin area

434,9km²

Upstream area

434,9km²

Discharge

2,49m³/s

Mean elev.

460m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

1 intersecting protected areas

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

Species present

0 distinct species · 0 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

0 obs · 0 cellules

Aucune observation géoréférencée précise (<10 km) dans ce territoire.

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~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°

-15,0°C

Annual rain

260mm

Moisture idx (CMI)

-0,27

Runoff

162mm/an

PET

359mm

AET

234mm

Mean slope

8,1°

Water table

170cm

Forest

37%

Crops

0%

Urban

0%

Protected

9%

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