HydroLAKES lake · #149910
Polvijärvi
Surface area
1,77km²
Avg depth
9,6m
Volume
16,99km³
Shoreline
11,8km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- North KareliaEastern Finland · Finland1.78 km²100.0% of lake
4 intersecting protected areas
Private Nature Reserve
0.01 km² overlap
Petrovaaran luontokokonaisuus
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.01 km² overlap
Metsälain erityisen tärkeät elinympäristöt Pohjois-Karjala
IUCN Not AssignedForest habitats of special importance according to the Forest Act (OECM)
0.00 km² overlap
Private Nature Reserve
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
540 distinct species · 2 656 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Polvijärvi : 16 espèces reliées par 29 interactions GloBI sur 3 types (connectance 17.0%, 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).
Lake statistics (HydroLAKES)
Surface
1,77km²
Avg depth
9,6m
Volume
16,990km³
Watershed
6km²
Shoreline
11,8km
Shore dev. idx
2,51
Residence time
2 892days
Elevation
166m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.