HydroBASINS lev08 watershed · #2080308270
Bassin de Заходняя Дзвіна
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 5 administrative regions : Byeshankovichy, Haradok, Shumilina, Syanno, Vitebsk
Sub-basin area
2 442,2km²
Upstream area
32 732,3km²
Discharge
250,87m³/s
Mean elev.
151m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Заходняя Дзвіна1508 km²
- Bassin de Лучоса200 km²
5 dept-equivalent regions (GADM L2)
- ByeshankovichyVitebsk · Belarus702.5 km²28.6% of basin
- 640.5 km²26.1% of basin
- 600.1 km²24.5% of basin
- 482.3 km²19.7% of basin
- 27.9 km²1.1% of basin
2 intersecting protected areas
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
875 distinct species · 1 873 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 Заходняя Дзвіна : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 91 interactions GloBI sur 4 types (connectance 17.2%, filtre Serrano α=0.2). 9 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°
5,4°C
Annual rain
648mm
Moisture idx (CMI)
-0,02
Runoff
210mm/an
PET
659mm
AET
499mm
Mean slope
0,9°
Water table
84cm
Forest
34%
Crops
35%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)