HydroLAKES lake · #156733
Hällsjön
Surface area
1,04km²
Avg depth
6,6m
Volume
6,85km³
Shoreline
6,9km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- LudvikaDalarna · Sweden1.04 km²99.8% of lake
- SmedjebackenDalarna · Sweden0.00 km²0.2% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
573 distinct species · 1 295 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Hällsjön : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 5 types (connectance 8.8%, 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
1,04km²
Avg depth
6,6m
Volume
6,850km³
Watershed
20km²
Shoreline
6,9km
Shore dev. idx
1,92
Residence time
409days
Elevation
184m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.