HydroBASINS lev08 watershed · #2080237640
Bassin de Волхов
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 : Kirishskiy rayon, Volkhovskiy rayon
Sub-basin area
126,4km²
Upstream area
78 455,9km²
Discharge
666,14m³/s
Mean elev.
36m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Олешня382 km²
- Bassin de Оломна268 km²
2 dept-equivalent regions (GADM L2)
- 91.0 km²71.6% of basin
- 36.2 km²28.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
228 distinct species · 602 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 Волхов : 15 espèces reliées par 20 interactions GloBI sur 3 types (connectance 11.7%, filtre Serrano α=0.2). 4 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
657mm
Moisture idx (CMI)
0,11
Runoff
229mm/an
PET
586mm
AET
444mm
Mean slope
1,1°
Water table
57cm
Forest
73%
Crops
9%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)