HydroLAKES lake · #146882
Mertajärvi
Surface area
2,53km²
Avg depth
4,4m
Volume
11,08km³
Shoreline
14,8km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- KainuuOulu · Finland2.54 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
113 distinct species · 1 190 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Mertajärvi : 24 espèces reliées par 50 interactions GloBI sur 6 types (connectance 9.5%, filtre Serrano α=0.2). 9 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
2,53km²
Avg depth
4,4m
Volume
11,080km³
Watershed
14km²
Shoreline
14,8km
Shore dev. idx
2,62
Residence time
737days
Elevation
187m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.