Ontologia

HydroBASINS lev08 watershed · #2080155620

Bassin de Большая Вольма

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 2 administrative regions : Izhemskiy rayon, Ust'-Tsilemskiy rayon

Pfafstetter: 26187032

Sub-basin area

872,7km²

Upstream area

872,9km²

Discharge

18,13m³/s

Mean elev.

99m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

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

Species present

10 distinct species · 10 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 obs · 3 cellules
Obs. / cellule
≥ 8
8–7
8–7
1–7
< 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°

-2,4°C

Annual rain

549mm

Moisture idx (CMI)

0,21

Runoff

639mm/an

PET

435mm

AET

350mm

Mean slope

3,9°

Water table

34cm

Forest

92%

Crops

0%

Urban

0%

Protected

0%

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