Ontologia

HydroLAKES lake · #155937

Halldalsvatnet

Natural lakeNorwayEurope 835 m

Surface area

2,12km²

Avg depth

8,6m

Volume

18,21km³

Shoreline

8,7km

Administrative coverage

Parent watershed

hybas-20800337305730 km² · upstream 5730 km²

1 dept-equivalent regions (GADM L2)

  • Ål
    Buskerud · Norway
    2.14 km²
    100.0% of lake

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

Species present

222 distinct species · 2 677 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 677 obs · 1 cellules
Obs. / cellule
≥ 2 677
2 677–2 676
2 677–2 676
2 677–2 676
< 2 677

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

Ecological tissue

Sample of 23 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 Halldalsvatnet : 16 espèces reliées par 50 interactions GloBI sur 4 types (connectance 18.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
50
Connectance
0.181
Patrimoniales
0
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

2,12km²

Avg depth

8,6m

Volume

18,210km³

Watershed

57km²

Shoreline

8,7km

Shore dev. idx

1,68

Residence time

211days

Elevation

835m

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