HydroLAKES lake · #145363
Iso Olvasjärvi
Surface area
4,43km²
Avg depth
4,8m
Volume
21,28km³
Shoreline
9,5km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Northern OstrobothniaOulu · Finland4.46 km²100.0% of lake
1 intersecting protected areas
Kiiminkijoki
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.42 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
258 distinct species · 767 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Iso Olvasjärvi : 23 espèces reliées par 60 interactions GloBI sur 6 types (connectance 14.8%, 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
4,43km²
Avg depth
4,8m
Volume
21,280km³
Watershed
11km²
Shoreline
9,5km
Shore dev. idx
1,28
Residence time
2 200days
Elevation
108m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.