HydroBASINS lev08 watershed · #2080298890
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 2 administrative regions : Myory, Vyerkhnyazdvinsk
Sub-basin area
369,5km²
Upstream area
52 515,5km²
Discharge
380,2m³/s
Mean elev.
127m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Дзісна1024 km²
- Bassin de Перамерка108 km²
2 dept-equivalent regions (GADM L2)
- 185.9 km²50.1% of basin
- VyerkhnyazdvinskVitebsk · Belarus185.3 km²49.9% of basin
2 intersecting protected areas
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
299 distinct species · 445 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 : 28 espèces reliées par 51 interactions GloBI sur 5 types (connectance 8.6%, 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°
5,5°C
Annual rain
631mm
Moisture idx (CMI)
-0,03
Runoff
223mm/an
PET
648mm
AET
492mm
Mean slope
0,8°
Water table
88cm
Forest
21%
Crops
56%
Urban
1%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)