HydroLAKES lake · #154221
Riitjärvi
Surface area
1km²
Avg depth
6,4m
Volume
6,45km³
Shoreline
10,2km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- South KareliaSouthern Finland · Finland0.96 km²95.1% of lake
- Southern SavoniaEastern Finland · Finland0.05 km²4.9% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
287 distinct species · 709 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Riitjärvi : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 5 types (connectance 15.4%, filtre Serrano α=0.2). 12 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
1,00km²
Avg depth
6,4m
Volume
6,450km³
Watershed
27km²
Shoreline
10,2km
Shore dev. idx
2,87
Residence time
339days
Elevation
96m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.