Rivière· 18 segments
Усвяча
Crosses 5 administrative regions : Haradok, Kun'inskiy rayon, Usvyatskiy rayon, Velikolukskiy rayon, Vitebsk
Total length
124km
Max discharge
20,2m³/s
Max Strahler
4
Segments matched
18
River geography5 admin regions · 0 communes
5 administrative regions crossed (GADM L2)
- Usvyatskiy rayonPskov · Russia62.0 kmin this dpt
- Kun'inskiy rayonPskov · Russia37.4 kmin this dpt
- VitebskVitebsk · Belarus17.9 kmin this dpt
- Velikolukskiy rayonPskov · Russia7.0 kmin this dpt
- HaradokVitebsk · Belarus0.0 kmin this dpt
1 page = 1 named river (aggregation of 18 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
9 distinct species · 9 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 3 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 Усвяча : 2 espèces reliées par 4 interactions GloBI sur 1 type (connectance 133.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
124km
Max discharge
20,2m³/s
Max Strahler
4
Segments matched
18
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.