HydroBASINS lev08 watershed · #2080297740
Bassin de Илеть
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 4 administrative regions : Kozlovskiy rayon, Volzhskiy rayon, Zelenodol'skiy rayon, Zvenigovskiy rayon
Sub-basin area
640,8km²
Upstream area
6 524,8km²
Discharge
31,88m³/s
Mean elev.
92m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Юшут1255 km²
- Bassin de Илеть16 km²
4 dept-equivalent regions (GADM L2)
- 375.0 km²58.2% of basin
- 260.7 km²40.5% of basin
- 7.4 km²1.1% of basin
- 0.8 km²0.1% of basin
4 intersecting protected areas
Marij CHodra
IUCN IINational Park
204.09 km² overlap
Boloto ZHeleznoe
IUCN IIINatural Monument
0.40 km² overlap
Boloto Berezovoe
IUCN IIINatural Monument
0.26 km² overlap
Pravoberezh`e reki Ilet`
IUCN IVState Natural Zakaznik
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
456 distinct species · 4 141 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Илеть : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 5 types (connectance 6.9%, filtre Serrano α=0.2). 6 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°
3,7°C
Annual rain
550mm
Moisture idx (CMI)
-0,14
Runoff
133mm/an
PET
643mm
AET
454mm
Mean slope
1,1°
Water table
82cm
Forest
64%
Crops
17%
Urban
2%
Protected
30%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)