Rivière· 2 segments
Лазавица
Crosses 2 administrative regions : Velikie Luki, Velikolukskiy rayon
Total length
23km
Max discharge
29,1m³/s
Max Strahler
5
Segments matched
2
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Velikolukskiy rayonPskov · Russia11.0 kmin this dpt
- Velikie LukiPskov · Russia3.4 kmin this dpt
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
752 distinct species · 1 401 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 Лазавица : 38 espèces reliées par 90 interactions GloBI sur 6 types (connectance 8.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (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
23km
Max discharge
29,1m³/s
Max Strahler
5
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.