HydroBASINS lev08 watershed · #2080427260
Bassin de Большой Узень
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 across 2 countries : Aleksandrovo-Gayskiy rayon, Kaztalovskiy
Sub-basin area
315,6km²
Upstream area
9 185km²
Discharge
24,42m³/s
Mean elev.
20m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большой Узень543 km²
- Bassin de Большой Узень286 km²
2 dept-equivalent regions (GADM L2)
- 316.6 km²100.0% of basin
- 0.1 km²0.0% of basin
1 intersecting protected areas
Aleksandrovo-Gajskie kul`tyuki (Pojmennyj les po r. Bol`shoj Uzen` (kul`tyuk "Krivoj osinnik"))
IUCN IIINatural Monument
5.78 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
31 distinct species · 32 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 Большой Узень : 12 espèces reliées par 10 interactions GloBI sur 2 types (connectance 15.2%, 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°
6,5°C
Annual rain
303mm
Moisture idx (CMI)
-0,66
Runoff
53mm/an
PET
884mm
AET
267mm
Mean slope
0,1°
Water table
10cm
Forest
0%
Crops
14%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)