HydroLAKES lake · #13039
Полоновка
Surface area
44,53km²
Avg depth
7,8m
Volume
347,98km³
Shoreline
105,7km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- Demyanskiy rayonNovgorod · Russia29.88 km²66.8% of lake
- Ostashkovskiy rayonTver' · Russia14.87 km²33.2% of lake
1 intersecting protected areas
Valdaiskiy
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
26.72 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
13 distinct species · 13 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 Полоновка : 5 espèces reliées par 3 interactions GloBI sur 1 type (connectance 30.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Lake statistics (HydroLAKES)
Surface
44,53km²
Avg depth
7,8m
Volume
347,980km³
Watershed
390km²
Shoreline
105,7km
Shore dev. idx
4,47
Residence time
1 139days
Elevation
202m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.