Ontologia

HydroLAKES lake · #155270

Halsjøen

Natural lakeNorwayEurope 288 m

Surface area

4,59km²

Avg depth

10,4m

Volume

47,51km³

Shoreline

22,1km

Administrative coverage

Parent watershed

hybas-20802256701648 km² · upstream 1648 km²

2 dept-equivalent regions (GADM L2)

  • Våler
    Hedmark · Norway
    3.99 km²
    86.5% of lake
  • Torsby
    Värmland · Sweden
    0.62 km²
    13.5% of lake

4 intersecting protected areas

  • Västersjön

    IUCN Not Assigned

    Natura 2000 SCI

    0.05 km² overlap

  • Västersjön

    IUCN Not Assigned

    Natura 2000 SPA

    0.05 km² overlap

  • Västersjön

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    0.05 km² overlap

  • Västersjön

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.05 km² overlap

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

Species present

227 distinct species · 617 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

617 obs · 1 cellules
Obs. / cellule
≥ 617
617–616
617–616
617–616
< 617

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 Halsjøen : 27 espèces reliées par 49 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
49
Connectance
0.087
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

4,59km²

Avg depth

10,4m

Volume

47,510km³

Watershed

153km²

Shoreline

22,1km

Shore dev. idx

2,91

Residence time

265days

Elevation

288m

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