HydroBASINS lev08 watershed · #2080296900
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 4 administrative regions : Kozlovskiy rayon, Mariinsko-Posadskiy rayon, Volzhskiy rayon, Zvenigovskiy rayon
Sub-basin area
144,7km²
Upstream area
622 985,2km²
Discharge
3 374,95m³/s
Mean elev.
87m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Нурда263 km²
- Bassin de Волга167 km²
4 dept-equivalent regions (GADM L2)
- 68.4 km²47.0% of basin
- 49.4 km²34.0% of basin
- 27.5 km²18.9% of basin
- 0.1 km²0.1% of basin
1 intersecting protected areas
Pravoberezh`e reki Ilet`
IUCN IVState Natural Zakaznik
1.90 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
484 distinct species · 1 083 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 : 35 espèces dont 5 patrimoniales (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 4 types (connectance 9.9%, 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°
3,8°C
Annual rain
546mm
Moisture idx (CMI)
-0,15
Runoff
131mm/an
PET
646mm
AET
454mm
Mean slope
1,5°
Water table
134cm
Forest
21%
Crops
35%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)