HydroBASINS lev08 watershed · #3080463330
Bassin de Демьянка
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 : Surgutskiy rayon, Uvatskiy rayon
Sub-basin area
666,6km²
Upstream area
11 234km²
Discharge
51,14m³/s
Mean elev.
85m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Демьянка1102 km²
- Bassin de Урна595 km²
2 dept-equivalent regions (GADM L2)
- Uvatskiy rayonTyumen' · Russia553.3 km²82.6% of basin
- 116.9 km²17.4% of basin
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.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
-1,1°C
Annual rain
513mm
Moisture idx (CMI)
-0,09
Runoff
109mm/an
PET
566mm
AET
420mm
Mean slope
0,3°
Water table
2cm
Forest
81%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)