HydroBASINS lev08 watershed · #3080449030
Bassin de Варенъёган
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 : Aleksandrovskiy rayon, Kargasokskiy rayon
Sub-basin area
679,8km²
Upstream area
679,9km²
Discharge
3,25m³/s
Mean elev.
87m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Kargasokskiy rayonTomsk · Russia592.6 km²86.7% of basin
- Aleksandrovskiy rayonTomsk · Russia91.0 km²13.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 distinct species · 15 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 3 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Варенъёган : 3 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-1,9°C
Annual rain
545mm
Moisture idx (CMI)
-0,04
Runoff
151mm/an
PET
566mm
AET
432mm
Mean slope
0,5°
Water table
4cm
Forest
70%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)