HydroBASINS lev08 watershed · #2080279060
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 4 administrative regions : Andreapol'skiy rayon, Marevskiy rayon, Ostashkovskiy rayon, Penovskiy rayon
Sub-basin area
1 403km²
Upstream area
1 403km²
Discharge
12,39m³/s
Mean elev.
242m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Penovskiy rayonTver' · Russia1132.7 km²80.3% of basin
- Ostashkovskiy rayonTver' · Russia154.4 km²11.0% of basin
- 95.6 km²6.8% of basin
- Andreapol'skiy rayonTver' · Russia27.3 km²1.9% of basin
20 intersecting protected areas
State Natural Zakaznik
39.31 km² overlap
Istok reki Volgi
IUCN IVState Natural Zakaznik
33.92 km² overlap
Boloto Lopinskoe
IUCN IVState Natural Zakaznik
22.41 km² overlap
State Natural Zakaznik
20.21 km² overlap
Ozero Sterzh
IUCN IVState Natural Zakaznik
15.49 km² overlap
Boloto Novoselovskij Moh
IUCN IVState Natural Zakaznik
14.67 km² overlap
Boloto Studinec
IUCN IVState Natural Zakaznik
14.39 km² overlap
Boloto Lesnoe-2
IUCN IVState Natural Zakaznik
13.70 km² overlap
Boloto Berveneckoe
IUCN IVState Natural Zakaznik
13.64 km² overlap
11 more protected areassorted by overlap area
Boloto Lesnoe
IUCN IVState Natural Zakaznik
6.33 km² overlap
Boloto Volgoverhovskoe
IUCN IVState Natural Zakaznik
5.65 km² overlap
Boloto Lesnoe-1
IUCN IVState Natural Zakaznik
4.48 km² overlap
Lesnye nasazhdeniya vokrug ozer CHernoe i Maloe CHernoe
IUCN Not ReportedState Natural Zakaznik
3.99 km² overlap
Vodoohrannye nasazhdeniya vokrug ozera Meglinskoe i reki Meglinka
IUCN Not ReportedState Natural Zakaznik
3.93 km² overlap
Ozero Vetricy
IUCN IIINatural Monument
1.96 km² overlap
Boloto Lesnoe-3
IUCN IVState Natural Zakaznik
1.64 km² overlap
State Natural Zakaznik
1.40 km² overlap
Gora Kamennik
IUCN IIINatural Monument
1.04 km² overlap
Ostrov Malosoloveckij
IUCN IIINatural Monument
0.08 km² overlap
State Natural Zakaznik
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
493 distinct species · 1 304 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 : 20 espèces reliées par 82 interactions GloBI sur 4 types (connectance 14.6%, filtre Serrano α=0.2). 14 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
651mm
Moisture idx (CMI)
0,04
Runoff
269mm/an
PET
623mm
AET
484mm
Mean slope
1,1°
Water table
83cm
Forest
94%
Crops
2%
Urban
0%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)