Ontologia

HydroLAKES lake · #13080

Helgasjön

Natural lakeSwedenEurope 161 m

Surface area

48,38km²

Avg depth

10,9m

Volume

528,96km³

Shoreline

122km

Administrative coverage

Parent watershed

hybas-2080280680301 km² · upstream 1446 km²

1 dept-equivalent regions (GADM L2)

  • Växjö
    Kronoberg · Sweden
    48.63 km²
    100.0% of lake

13 intersecting protected areas

4 more protected areas

  • SK 681-2003

    IUCN Ia

    Habitat Protection Area

    0.00 km² overlap

  • Stojby

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.00 km² overlap

  • Stojby

    IUCN Not Assigned

    Natura 2000 SCI

    0.00 km² overlap

  • SK 302-1999

    IUCN Ia

    Habitat Protection Area

    0.00 km² overlap

Computed live · HydroLAKES × GADM × WDPA · cached after first hit.

Species present

2 812 distinct species · 116 384 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

116 384 obs · 3 cellules
Obs. / cellule
≥ 85 482
85 482–85 481
85 482–85 481
22 812–85 481
< 22 812

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 37 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Helgasjön : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 83 interactions GloBI sur 4 types (connectance 12.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
83
Connectance
0.125
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Lake statistics (HydroLAKES)

Surface

48,38km²

Avg depth

10,9m

Volume

528,960km³

Watershed

1 311km²

Shoreline

122,0km

Shore dev. idx

4,95

Residence time

498days

Elevation

161m

HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.