HydroBASINS lev08 watershed · #2080402430
Bassin de Илек
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 : Akbulakskiy rayon, Sol'-Iletskiy rayon
Sub-basin area
719,8km²
Upstream area
19 371,3km²
Discharge
26,72m³/s
Mean elev.
164m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Илек1916 km²
- Bassin de Курала529 km²
2 dept-equivalent regions (GADM L2)
- Sol'-Iletskiy rayonOrenburg · Russia648.5 km²89.8% of basin
- Akbulakskiy rayonOrenburg · Russia73.9 km²10.2% of basin
1 intersecting protected areas
Urochishhe Vozrozhdenie
IUCN IIINatural Monument
0.52 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
154 distinct species · 255 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 Илек : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 5 types (connectance 7.1%, filtre Serrano α=0.2). 8 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°
4,8°C
Annual rain
332mm
Moisture idx (CMI)
-0,61
Runoff
27mm/an
PET
849mm
AET
292mm
Mean slope
0,8°
Water table
200cm
Forest
0%
Crops
41%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)