Ontologia

HydroLAKES lake · #158556

Fjälaren

Natural lakeSwedenEurope 47 m

Surface area

1,45km²

Avg depth

4,4m

Volume

6,36km³

Shoreline

10,7km

Administrative coverage

Parent watershed

hybas-20800319003892 km² · upstream 3892 km²

2 dept-equivalent regions (GADM L2)

  • Katrineholm
    Södermanland · Sweden
    1.45 km²
    99.6% of lake
  • Finspång
    Östergötland · Sweden
    0.01 km²
    0.4% of lake

1 intersecting protected areas

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

Species present

1 648 distinct species · 14 014 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 014 obs · 1 cellules
Obs. / cellule
≥ 14 014
14 014–14 013
14 014–14 013
14 014–14 013
< 14 014

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

Ecological tissue

Sample of 28 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 Fjälaren : 19 espèces reliées par 63 interactions GloBI sur 6 types (connectance 16.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
63
Connectance
0.167
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

1,45km²

Avg depth

4,4m

Volume

6,360km³

Watershed

29km²

Shoreline

10,7km

Shore dev. idx

2,51

Residence time

402days

Elevation

47m

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