HydroBASINS lev08 watershed · #3080477610
Bassin de Обь
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 5 administrative regions : Chainskiy rayon, Kolpashevo, Kolpashevskiy rayon, Molchanovskiy rayon, Verkhneketskiy rayon
Sub-basin area
2 649,2km²
Upstream area
481 409,1km²
Discharge
3 878,17m³/s
Mean elev.
83m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большая Корта1631 km²
- Bassin de Малая Корта648 km²
5 dept-equivalent regions (GADM L2)
- Kolpashevskiy rayonTomsk · Russia1977.1 km²74.2% of basin
- Chainskiy rayonTomsk · Russia627.0 km²23.5% of basin
- Verkhneketskiy rayonTomsk · Russia42.6 km²1.6% of basin
- Molchanovskiy rayonTomsk · Russia14.0 km²0.5% of basin
- KolpashevoTomsk · Russia2.3 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
254 distinct species · 384 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Обь : 30 espèces reliées par 39 interactions GloBI sur 5 types (connectance 6.2%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-1,0°C
Annual rain
487mm
Moisture idx (CMI)
-0,19
Runoff
166mm/an
PET
604mm
AET
413mm
Mean slope
0,6°
Water table
8cm
Forest
64%
Crops
2%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)