HydroBASINS lev08 watershed · #2080293460
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 : Borskiy rayon, Kstovskiy rayon, Lyskovskiy rayon
Sub-basin area
708,5km²
Upstream area
484 851,3km²
Discharge
2 831,32m³/s
Mean elev.
101m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Волга80 km²
- Bassin de Волга4 km²
3 dept-equivalent regions (GADM L2)
- 322.5 km²45.3% of basin
- 273.0 km²38.3% of basin
- 116.4 km²16.4% of basin
2 intersecting protected areas
Boloto Nyuzhemskoe-1
IUCN IIINatural Monument
13.46 km² overlap
Natural Monument
1.50 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 852 distinct species · 10 492 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 5 types (connectance 11.5%, filtre Serrano α=0.2). 9 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°
4,1°C
Annual rain
585mm
Moisture idx (CMI)
-0,07
Runoff
167mm/an
PET
631mm
AET
457mm
Mean slope
1,8°
Water table
148cm
Forest
44%
Crops
28%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)