HydroBASINS lev08 watershed · #2080290830
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 : Rzhevskiy rayon, Zubtsovskiy rayon
Sub-basin area
135,3km²
Upstream area
19 861,1km²
Discharge
152,53m³/s
Mean elev.
191m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Волга1873 km²
- Bassin de Шешма292 km²
2 dept-equivalent regions (GADM L2)
- Zubtsovskiy rayonTver' · Russia106.8 km²78.5% of basin
- Rzhevskiy rayonTver' · Russia29.2 km²21.5% of basin
2 intersecting protected areas
Bor Zubcovskij
IUCN IIINatural Monument
1.53 km² overlap
Park Borki
IUCN Not ReportedNatural Monument
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
244 distinct species · 367 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 : 21 espèces reliées par 54 interactions GloBI sur 4 types (connectance 14.3%, filtre Serrano α=0.2). 7 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°
4,2°C
Annual rain
631mm
Moisture idx (CMI)
-0,01
Runoff
230mm/an
PET
635mm
AET
488mm
Mean slope
1,2°
Water table
119cm
Forest
41%
Crops
47%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)