HydroBASINS lev08 watershed · #3080515430
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 5 administrative regions : Bol'sherechenskiy rayon, Sedel'nikovskiy rayon, Tara, Tarskiy rayon, Znamenskiy rayon
Sub-basin area
1 969,9km²
Upstream area
369 258,2km²
Discharge
945,27m³/s
Mean elev.
81m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Иртыш141 km²
- Bassin de Иртыш10 km²
5 dept-equivalent regions (GADM L2)
- 1561.2 km²78.9% of basin
- 217.0 km²11.0% of basin
- 164.9 km²8.3% of basin
- 33.6 km²1.7% of basin
- 3.0 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
563 distinct species · 923 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 : 29 espèces reliées par 84 interactions GloBI sur 6 types (connectance 10.2%, filtre Serrano α=0.2). 12 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°
-0,2°C
Annual rain
448mm
Moisture idx (CMI)
-0,29
Runoff
68mm/an
PET
633mm
AET
386mm
Mean slope
0,5°
Water table
14cm
Forest
40%
Crops
15%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)