Ontologia

HydroLAKES lake · #159472

Ömmern

Natural lakeSwedenEurope 125 m

Surface area

9,55km²

Avg depth

14,2m

Volume

135,48km³

Shoreline

39,6km

Administrative coverage

Parent watershed

hybas-20800332901642 km² · upstream 1642 km²

2 dept-equivalent regions (GADM L2)

  • Alingsås
    Västra Götaland · Sweden
    8.37 km²
    87.2% of lake
  • Lerum
    Västra Götaland · Sweden
    1.23 km²
    12.8% of lake

6 intersecting protected areas

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

Species present

939 distinct species · 13 816 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 816 obs · 1 cellules
Obs. / cellule
≥ 13 816
13 816–13 815
13 816–13 815
13 816–13 815
< 13 816

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 Ömmern : 17 espèces reliées par 83 interactions GloBI sur 5 types (connectance 22.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
83
Connectance
0.220
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

9,55km²

Avg depth

14,2m

Volume

135,480km³

Watershed

97km²

Shoreline

39,6km

Shore dev. idx

3,62

Residence time

978days

Elevation

125m

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