HydroLAKES lake · #149932
Helgumssjön
Surface area
8,35km²
Avg depth
14,6m
Volume
122,25km³
Shoreline
31,6km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- SollefteåVästernorrland · Sweden8.41 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
238 distinct species · 741 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Helgumssjön : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 5 types (connectance 13.8%, 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
8,35km²
Avg depth
14,6m
Volume
122,250km³
Watershed
8 440km²
Shoreline
31,6km
Shore dev. idx
3,08
Residence time
8days
Elevation
91m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.