Ruisseau· 24 segments
Сояна
Crosses 1 administrative regions : Mezenskiy rayon
Total length
281km
Max discharge
6,6m³/s
Max Strahler
3
Segments matched
24
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Mezenskiy rayonArkhangel'sk · Russia143.0 kmin this dpt
1 intersecting protected areas
Soyanskij
IUCN IVState Natural Zakaznik
1 page = 1 named river (aggregation of 24 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
67 distinct species · 109 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Сояна : 26 espèces reliées par 32 interactions GloBI sur 5 types (connectance 7.4%, filtre Serrano α=0.2). 4 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
281km
Max discharge
6,6m³/s
Max Strahler
3
Segments matched
24
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.