Ontologia

HydroLAKES lake · #158024

Ara

Natural lakeNorwayEurope 106 m

Surface area

7,62km²

Avg depth

11,5m

Volume

87,24km³

Shoreline

38,3km

Administrative coverage

Parent watershed

hybas-20802438501334 km² · upstream 1334 km²

1 dept-equivalent regions (GADM L2)

  • Aremark
    Ãstfold · Norway
    7.66 km²
    100.0% of lake

1 intersecting protected areas

  • Nesøya

    IUCN Ia

    Nature Reserve

    0.01 km² overlap

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

Species present

1 223 distinct species · 5 780 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 780 obs · 1 cellules
Obs. / cellule
≥ 5 780
5 780–5 779
5 780–5 779
5 780–5 779
< 5 780

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

Ecological tissue

Sample of 25 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 Ara : 15 espèces reliées par 78 interactions GloBI sur 5 types (connectance 19.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
78
Connectance
0.192
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

7,62km²

Avg depth

11,5m

Volume

87,240km³

Watershed

99km²

Shoreline

38,3km

Shore dev. idx

3,92

Residence time

660days

Elevation

106m

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