HydroBASINS lev08 watershed · #3080542120
Bassin de Иртыш
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 : Bol'sherechenskiy rayon, Muromtsevskiy rayon, Nizhneomskiy rayon
Sub-basin area
1 092,5km²
Upstream area
346 092km²
Discharge
915,14m³/s
Mean elev.
105m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Иртыш716 km²
- Bassin · #3080549690414 km²
3 dept-equivalent regions (GADM L2)
- 679.9 km²61.9% of basin
- 383.7 km²35.0% of basin
- 34.1 km²3.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
122 distinct species · 144 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Иртыш : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 4 types (connectance 5.7%, filtre Serrano α=0.2). 5 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°
0,1°C
Annual rain
427mm
Moisture idx (CMI)
-0,34
Runoff
24mm/an
PET
644mm
AET
370mm
Mean slope
0,4°
Water table
9cm
Forest
13%
Crops
35%
Urban
1%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)