Ontologia

HydroBASINS lev08 watershed · #2080192670

Bassin de Семча

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 : Kondopozhskiy rayon, Medvezh'egorskiy rayon, Suoyarvskiy rayon

Pfafstetter: 24324967

Sub-basin area

138,8km²

Upstream area

671,5km²

Discharge

4,64m³/s

Mean elev.

136m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

3 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • State Natural Zakaznik

    0.02 km² overlap

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

Species present

3 distinct species · 3 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

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

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°

1,3°C

Annual rain

565mm

Moisture idx (CMI)

0,16

Runoff

221mm/an

PET

476mm

AET

380mm

Mean slope

4,5°

Water table

107cm

Forest

96%

Crops

0%

Urban

0%

Protected

7%

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