Ontologia

HydroBASINS lev08 watershed · #3080308500

Bassin de Сеймчан

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 : Srednekanskiy rayon

Pfafstetter: 35189562

Sub-basin area

149,8km²

Upstream area

149,8km²

Discharge

1,37m³/s

Mean elev.

638m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

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

Species present

20 distinct species · 41 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

41 obs · 2 cellules
Obs. / cellule
≥ 39
39–38
39–38
39–38
< 39

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°

-13,5°C

Annual rain

335mm

Moisture idx (CMI)

-0,24

Runoff

291mm/an

PET

442mm

AET

289mm

Mean slope

17,4°

Water table

323cm

Forest

17%

Crops

0%

Urban

0%

Protected

0%

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