HydroBASINS lev08 watershed · #2080300660
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 : Laishevskiy rayon, Verkhneuslonskiy rayon
Sub-basin area
22,9km²
Upstream area
652 436,8km²
Discharge
3 493,41m³/s
Mean elev.
113m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Казанка2786 km²
- Bassin de Волга286 km²
2 dept-equivalent regions (GADM L2)
- 18.5 km²80.1% of basin
- 4.6 km²19.9% of basin
1 intersecting protected areas
Volzhskie prostory
IUCN IVState Natural Zakaznik
6.48 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
414 distinct species · 689 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 103 interactions GloBI sur 5 types (connectance 18.4%, filtre Serrano α=0.2). 11 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
542mm
Moisture idx (CMI)
-0,17
Runoff
180mm/an
PET
654mm
AET
452mm
Mean slope
2,1°
Water table
150cm
Forest
8%
Crops
24%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)