HydroLAKES lake · #151109
Långsjön
Surface area
2,67km²
Avg depth
8,3m
Volume
22,25km³
Shoreline
22,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- HärnösandVästernorrland · Sweden2.69 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 951 distinct species · 8 600 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Långsjön : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 70 interactions GloBI sur 2 types (connectance 12.5%, filtre Serrano α=0.2). 7 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
2,67km²
Avg depth
8,3m
Volume
22,250km³
Watershed
247km²
Shoreline
22,1km
Shore dev. idx
3,82
Residence time
97days
Elevation
37m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.