HydroBASINS lev08 watershed · #2080288980
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 : Borskiy rayon, Nizhniy Novgorod gorsovet
Sub-basin area
28,7km²
Upstream area
235 214km²
Discharge
1 479,62m³/s
Mean elev.
69m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Линда1547 km²
- Bassin de Волга597 km²
2 dept-equivalent regions (GADM L2)
- 19.2 km²66.4% of basin
- 9.7 km²33.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 463 distinct species · 8 073 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 125 interactions GloBI sur 5 types (connectance 19.8%, filtre Serrano α=0.2). 12 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°
4,5°C
Annual rain
589mm
Moisture idx (CMI)
-0,06
Runoff
184mm/an
PET
628mm
AET
455mm
Mean slope
0,6°
Water table
36cm
Forest
3%
Crops
18%
Urban
58%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)