Ontologia

HydroLAKES lake · #12894

Norsjø

Natural lakeNorwayEurope 17 m

Surface area

55,13km²

Avg depth

46,8m

Volume

2 582,09km³

Shoreline

125,4km

Administrative coverage

Parent watershed

hybas-2080033770942 km² · upstream 11109 km²

3 dept-equivalent regions (GADM L2)

  • Skien
    Telemark · Norway
    27.63 km²
    49.8% of lake
  • Nome
    Telemark · Norway
    14.54 km²
    26.2% of lake
  • Sauherad
    Telemark · Norway
    13.27 km²
    23.9% of lake

5 intersecting protected areas

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

Species present

959 distinct species · 35 388 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

35 388 obs · 1 cellules
Obs. / cellule
≥ 35 388
35 388–35 387
35 388–35 387
35 388–35 387
< 35 388

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

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Norsjø : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
79
Connectance
0.133
Patrimoniales
2
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

55,13km²

Avg depth

46,8m

Volume

2 582,090km³

Watershed

10 320km²

Shoreline

125,4km

Shore dev. idx

4,76

Residence time

136days

Elevation

17m

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