Ontologia

HydroLAKES lake · #156585

Varalden

Natural lakeNorwayEurope 193 m

Surface area

6,55km²

Avg depth

21,2m

Volume

138,94km³

Shoreline

22,1km

Administrative coverage

Parent watershed

hybas-2080237820979 km² · upstream 979 km²

2 dept-equivalent regions (GADM L2)

  • Kongsvinger
    Hedmark · Norway
    6.24 km²
    94.6% of lake
  • Arvika
    Värmland · Sweden
    0.35 km²
    5.4% of lake

1 intersecting protected areas

  • Holmby

    IUCN Ia

    Nature Reserve

    0.00 km² overlap

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

Species present

314 distinct species · 646 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

646 obs · 1 cellules
Obs. / cellule
≥ 646
646–645
646–645
646–645
< 646

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 Varalden : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 6 types (connectance 16.3%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
81
Connectance
0.163
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

6,55km²

Avg depth

21,2m

Volume

138,940km³

Watershed

206km²

Shoreline

22,1km

Shore dev. idx

2,43

Residence time

685days

Elevation

193m

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