Rivière· 60 segments
Сясь
Crosses 3 administrative regions : Lyubytinskiy rayon, Tikhvinskiy rayon, Volkhovskiy rayon
Total length
276km
Max discharge
61,8m³/s
Max Strahler
5
Segments matched
60
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- Tikhvinskiy rayonLeningrad · Russia113.7 kmin this dpt
- Volkhovskiy rayonLeningrad · Russia101.3 kmin this dpt
- Lyubytinskiy rayonNovgorod · Russia57.4 kmin this dpt
1 page = 1 named river (aggregation of 60 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
44 distinct species · 74 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 Сясь : 11 espèces reliées par 10 interactions GloBI sur 2 types (connectance 11.0%, filtre Serrano α=0.2). 3 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
276km
Max discharge
61,8m³/s
Max Strahler
5
Segments matched
60
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.