HydroLAKES lake · #1093
Ontojarvi
Surface area
111,98km²
Avg depth
15,9m
Volume
1 783km³
Shoreline
252,7km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- KainuuOulu · Finland112.70 km²100.0% of lake
3 intersecting protected areas
Metsätalouden ympäristötukikohteet Kainuu
IUCN Not AssignedForestry environmental aid contracts (OECM)
0.02 km² overlap
Hyvän Toivon suojelualue
IUCN Not AssignedTemporary Protection Order
0.01 km² overlap
Metsälain erityisen tärkeät elinympäristöt Kainuu
IUCN Not AssignedForest habitats of special importance according to the Forest Act (OECM)
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 132 distinct species · 9 209 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Ontojarvi : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 105 interactions GloBI sur 5 types (connectance 11.6%, filtre Serrano α=0.2). 15 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
111,98km²
Avg depth
15,9m
Volume
1 783,000km³
Watershed
5 277km²
Shoreline
252,7km
Shore dev. idx
6,74
Residence time
334days
Elevation
141m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.