HydroBASINS lev08 watershed · #2080295690
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 2 administrative regions : Mariinsko-Posadskiy rayon, Zvenigovskiy rayon
Sub-basin area
166,6km²
Upstream area
622 576,4km²
Discharge
3 376,79m³/s
Mean elev.
108m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Малая Кокшага4897 km²
- Bassin de Большая Кокшага41 km²
2 dept-equivalent regions (GADM L2)
- 156.3 km²93.4% of basin
- 11.1 km²6.6% of basin
1 intersecting protected areas
Vodoleevskij
IUCN IVState Natural Zakaznik
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
311 distinct species · 455 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 : 31 espèces reliées par 86 interactions GloBI sur 5 types (connectance 8.3%, filtre Serrano α=0.2). 15 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°
3,6°C
Annual rain
552mm
Moisture idx (CMI)
-0,14
Runoff
119mm/an
PET
640mm
AET
455mm
Mean slope
2,1°
Water table
152cm
Forest
41%
Crops
29%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)