HydroLAKES lake · #147783
Kälkänen
Surface area
4,47km²
Avg depth
3,7m
Volume
16,43km³
Shoreline
16km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- KainuuOulu · Finland4.50 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
309 distinct species · 1 062 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Kälkänen : 25 espèces reliées par 51 interactions GloBI sur 5 types (connectance 11.0%, filtre Serrano α=0.2). 6 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
4,47km²
Avg depth
3,7m
Volume
16,430km³
Watershed
20km²
Shoreline
16,0km
Shore dev. idx
2,13
Residence time
853days
Elevation
181m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.