HydroLAKES lake · #154834
Tönnångersjön
Surface area
8,07km²
Avg depth
7,9m
Volume
64,08km³
Shoreline
33,9km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- SöderhamnGävleborg · Sweden8.12 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
998 distinct species · 6 983 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Tönnångersjön : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 4 types (connectance 18.2%, filtre Serrano α=0.2). 8 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
8,07km²
Avg depth
7,9m
Volume
64,080km³
Watershed
148km²
Shoreline
33,9km
Shore dev. idx
3,37
Residence time
548days
Elevation
54m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.