HydroBASINS lev08 watershed · #2080346100
Bassin de Волга
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 3 administrative regions : Bezenchukskiy rayon, Privolzhskiy rayon, Stavropol'skiy rayon
Sub-basin area
286,8km²
Upstream area
5 125,5km²
Discharge
16,71m³/s
Mean elev.
32m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Чапаевка925 km²
- Bassin de Безенчук677 km²
3 dept-equivalent regions (GADM L2)
- Bezenchukskiy rayonSamara · Russia256.2 km²89.0% of basin
- Stavropol'skiy rayonSamara · Russia20.4 km²7.1% of basin
- Privolzhskiy rayonSamara · Russia11.4 km²4.0% of basin
2 intersecting protected areas
Vasil`evskie ostrova
IUCN IIINatural Monument
30.49 km² overlap
Aleksandrovskaya pojma
IUCN IIINatural Monument
2.85 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
102 distinct species · 390 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Волга : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 5 types (connectance 5.2%, filtre Serrano α=0.2). 4 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°
5,1°C
Annual rain
480mm
Moisture idx (CMI)
-0,35
Runoff
123mm/an
PET
738mm
AET
409mm
Mean slope
0,3°
Water table
20cm
Forest
14%
Crops
48%
Urban
0%
Protected
12%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)