Rivière· 6 segments
Ямница
Crosses 4 administrative regions : Borovichskiy rayon, Demyanskiy rayon, Khvoyninskiy rayon, Krestetskiy rayon
Total length
37km
Max discharge
16,7m³/s
Max Strahler
4
Segments matched
6
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- Khvoyninskiy rayonNovgorod · Russia11.1 kmin this dpt
- Krestetskiy rayonNovgorod · Russia10.0 kmin this dpt
- Demyanskiy rayonNovgorod · Russia3.4 kmin this dpt
- Borovichskiy rayonNovgorod · Russia0.0 kmin this dpt
1 intersecting protected areas
Karstovye ozera
IUCN IVState Natural Zakaznik
1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
110 distinct species · 175 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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 Ямница : 16 espèces reliées par 34 interactions GloBI sur 5 types (connectance 17.9%, 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
37km
Max discharge
16,7m³/s
Max Strahler
4
Segments matched
6
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.