HydroBASINS lev08 watershed · #2080371880
Bassin de Малый Иргиз
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 : Balakovskiy rayon, Dukhovnitskiy rayon
Sub-basin area
304,6km²
Upstream area
3 369,7km²
Discharge
10,14m³/s
Mean elev.
37m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Куличиха310 km²
- Bassin de Мокрая Солянка215 km²
2 dept-equivalent regions (GADM L2)
- 220.4 km²72.1% of basin
- 85.4 km²27.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 distinct species · 5 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 Малый Иргиз : 4 espèces reliées par 3 interactions GloBI sur 1 type (connectance 50.0%, 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°
5,7°C
Annual rain
490mm
Moisture idx (CMI)
-0,38
Runoff
117mm/an
PET
787mm
AET
416mm
Mean slope
0,3°
Water table
88cm
Forest
3%
Crops
67%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)