HydroLAKES lake · #149357
Tvärasjön
Surface area
1,09km²
Avg depth
4,1m
Volume
4,49km³
Shoreline
9,7km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- OstrobothniaWestern Finland · Finland1.09 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
327 distinct species · 1 023 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 Tvärasjön : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 55 interactions GloBI sur 5 types (connectance 11.1%, 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
1,09km²
Avg depth
4,1m
Volume
4,490km³
Watershed
4km²
Shoreline
9,7km
Shore dev. idx
2,63
Residence time
1 924days
Elevation
59m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.