HydroBASINS lev08 watershed · #2080293550
Bassin de Западная Двина
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 : Andreapol'skiy rayon, Toropetskiy rayon, Zapadnodvinskiy rayon
Sub-basin area
1 241,1km²
Upstream area
2 452,7km²
Discharge
20,81m³/s
Mean elev.
222m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Волкота687 km²
- Bassin de Нетесьма524 km²
3 dept-equivalent regions (GADM L2)
- Andreapol'skiy rayonTver' · Russia660.2 km²52.9% of basin
- Zapadnodvinskiy rayonTver' · Russia374.2 km²30.0% of basin
- Toropetskiy rayonTver' · Russia212.8 km²17.1% of basin
24 intersecting protected areas
Boloto Velikosel`skij Moh
IUCN IVState Natural Zakaznik
40.63 km² overlap
Zapadnodvinskij
IUCN IVState Natural Zakaznik
30.86 km² overlap
State Natural Zakaznik
27.00 km² overlap
Boloto u d. Propletkino
IUCN IVState Natural Zakaznik
9.47 km² overlap
Boloto u d. Savino
IUCN IVState Natural Zakaznik
8.90 km² overlap
Boloto ZHelezovskij Moh
IUCN IVState Natural Zakaznik
5.78 km² overlap
Gryadeckij bor
IUCN IIINatural Monument
5.34 km² overlap
Meshhekskij bor
IUCN IIINatural Monument
5.31 km² overlap
Boloto u d. Fedotovo
IUCN IVState Natural Zakaznik
5.07 km² overlap
15 more protected areassorted by overlap area
Pavlovskij bor
IUCN IIINatural Monument
4.80 km² overlap
Boloto u d. Kochevicy
IUCN IVState Natural Zakaznik
4.58 km² overlap
ZHelezovskij bor
IUCN IIINatural Monument
4.44 km² overlap
Boloto CHistyj Moh
IUCN IVState Natural Zakaznik
4.38 km² overlap
Boloto u d. SHatry
IUCN IVState Natural Zakaznik
3.48 km² overlap
Boloto u d. Klin
IUCN IVState Natural Zakaznik
3.37 km² overlap
Boloto u d. Kotovo
IUCN IVState Natural Zakaznik
3.11 km² overlap
Boloto Rogovskij Moh
IUCN IVState Natural Zakaznik
2.50 km² overlap
Boloto Ramenskij Moh
IUCN IVState Natural Zakaznik
2.49 km² overlap
Boloto Bykovskij Moh
IUCN IVState Natural Zakaznik
2.17 km² overlap
Boloto u d. ZHelezovo
IUCN IVState Natural Zakaznik
2.14 km² overlap
Boloto OvsyaninskijMoh
IUCN IVState Natural Zakaznik
1.54 km² overlap
Les po reke Turica
IUCN IIINatural Monument
1.32 km² overlap
Aleksandrovskij Ol`s
IUCN IIINatural Monument
0.15 km² overlap
Boloto Pustoshkinskij Moh
IUCN IVState Natural Zakaznik
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
915 distinct species · 1 240 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 Западная Двина : 15 espèces reliées par 21 interactions GloBI sur 2 types (connectance 15.4%, filtre Serrano α=0.2). 2 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
641mm
Moisture idx (CMI)
0,01
Runoff
273mm/an
PET
633mm
AET
488mm
Mean slope
1,2°
Water table
78cm
Forest
92%
Crops
5%
Urban
1%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)