HydroLAKES lake · #171730
Oketoko
Surface area
1,89km²
Avg depth
21,1m
Volume
39,8km³
Shoreline
11,8km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- OketoHokkaido · Japan1.89 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
269 distinct species · 528 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 50 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 Oketoko : 44 espèces reliées par 66 interactions GloBI sur 5 types (connectance 5.4%, 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
1,89km²
Avg depth
21,1m
Volume
39,800km³
Watershed
118km²
Shoreline
11,8km
Shore dev. idx
2,43
Residence time
193days
Elevation
444m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.