Ontologia

HydroLAKES lake · #159156

Önn

Natural lakeSwedenEurope 37 m

Surface area

1,62km²

Avg depth

10,9m

Volume

17,69km³

Shoreline

10,4km

Administrative coverage

Parent watershed

hybas-20800320201797 km² · upstream 1797 km²

1 dept-equivalent regions (GADM L2)

  • Åtvidaberg
    Östergötland · Sweden
    1.63 km²
    100.0% of lake

1 intersecting protected areas

  • Habitat Protection Area

    0.01 km² overlap

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

Species present

1 060 distinct species · 2 858 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 858 obs · 1 cellules
Obs. / cellule
≥ 2 858
2 858–2 857
2 858–2 857
2 858–2 857
< 2 858

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

Ecological tissue

Sample of 41 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 Önn : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 101 interactions GloBI sur 5 types (connectance 11.7%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
101
Connectance
0.117
Patrimoniales
2
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

1,62km²

Avg depth

10,9m

Volume

17,690km³

Watershed

75km²

Shoreline

10,4km

Shore dev. idx

2,30

Residence time

575days

Elevation

37m

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