Ontologia

HydroLAKES lake · #154435

Øvre Hersjøen

Natural lakeNorwayEurope 981 m

Surface area

1,38km²

Avg depth

5,1m

Volume

7km³

Shoreline

10,5km

Administrative coverage

Parent watershed

hybas-20802100001658 km² · upstream 1658 km²

2 dept-equivalent regions (GADM L2)

  • Nord-Fron
    Oppland · Norway
    1.16 km²
    83.9% of lake
  • Sør-Fron
    Oppland · Norway
    0.22 km²
    16.1% of lake

3 intersecting protected areas

  • Hersjømyrin

    IUCN Ia

    Nature Reserve

    1.34 km² overlap

  • Langsua

    IUCN II

    National Park

    0.03 km² overlap

  • Langsua

    IUCN Not Reported

    Emerald Network

    0.03 km² overlap

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

Species present

101 distinct species · 215 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

215 obs · 1 cellules
Obs. / cellule
≥ 215
215–214
215–214
215–214
< 215

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

Ecological tissue

Sample of 30 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 Øvre Hersjøen : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 3 types (connectance 9.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
41
Connectance
0.094
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

1,38km²

Avg depth

5,1m

Volume

7,000km³

Watershed

597km²

Shoreline

10,5km

Shore dev. idx

2,53

Residence time

6days

Elevation

981m

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