Ontologia

HydroLAKES lake · #156818

Vråsjåen

Natural lakeNorwayEurope 1113 m

Surface area

2,66km²

Avg depth

9,4m

Volume

24,94km³

Shoreline

14,2km

Administrative coverage

Parent watershed

hybas-20802348101439 km² · upstream 1439 km²

2 dept-equivalent regions (GADM L2)

  • Vinje
    Telemark · Norway
    2.63 km²
    98.1% of lake
  • Tinn
    Telemark · Norway
    0.05 km²
    1.9% of lake

2 intersecting protected areas

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

Species present

129 distinct species · 193 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

193 obs · 1 cellules
Obs. / cellule
≥ 193
193–192
193–192
193–192
< 193

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

Ecological tissue

Sample of 36 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 Vråsjåen : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 5 types (connectance 12.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
79
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

2,66km²

Avg depth

9,4m

Volume

24,940km³

Watershed

87km²

Shoreline

14,2km

Shore dev. idx

2,45

Residence time

148days

Elevation

1 113m

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