Ontologia

HydroLAKES lake · #12869

Heddalsvatnet

Natural lakeNorwayEurope 19 m

Surface area

13,32km²

Avg depth

35,4m

Volume

471,22km³

Shoreline

44,1km

Administrative coverage

Parent watershed

hybas-2080243110321 km² · upstream 5438 km²

2 dept-equivalent regions (GADM L2)

  • Notodden
    Telemark · Norway
    7.20 km²
    53.8% of lake
  • Sauherad
    Telemark · Norway
    6.19 km²
    46.2% of lake

4 intersecting protected areas

  • Nautesund

    IUCN IV

    Wildlife Conservation Area

    1.37 km² overlap

  • Nautesund

    IUCN Not Reported

    Emerald Network

    1.37 km² overlap

  • Semsøyene

    IUCN Ia

    Nature Reserve

    0.34 km² overlap

  • Semsøyene

    IUCN Not Reported

    Emerald Network

    0.34 km² overlap

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

Species present

545 distinct species · 2 594 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 594 obs · 1 cellules
Obs. / cellule
≥ 2 594
2 594–2 593
2 594–2 593
2 594–2 593
< 2 594

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

Ecological tissue

Sample of 47 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 Heddalsvatnet : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 6 types (connectance 8.6%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
47
Interactions affichées
93
Connectance
0.086
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

13,32km²

Avg depth

35,4m

Volume

471,220km³

Watershed

5 364km²

Shoreline

44,1km

Shore dev. idx

3,41

Residence time

53days

Elevation

19m

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