Ontologia

HydroLAKES lake · #102

Malaren

Natural lakeSwedenEurope 3 m

Surface area

1 083,13km²

Avg depth

12,9m

Volume

14 000km³

Shoreline

2 125,6km

Administrative coverage

Parent watershed

hybas-20802407501684 km² · upstream 14747 km²

23 dept-equivalent regions (GADM L2)

  • Strängnäs
    Södermanland · Sweden
    210.90 km²
    19.4% of lake
  • Västerås
    Västmanland · Sweden
    203.91 km²
    18.7% of lake
  • Enköping
    Uppsala · Sweden
    164.62 km²
    15.1% of lake
  • Ekerö
    Stockholm · Sweden
    160.62 km²
    14.7% of lake
  • Upplands-Bro
    Stockholm · Sweden
    89.40 km²
    8.2% of lake
  • Södertälje
    Stockholm · Sweden
    40.85 km²
    3.8% of lake

30 intersecting protected areas

21 more protected areas

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

Species present

10 630 distinct species · 1 111 528 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 111 528 obs · 36 cellules
Obs. / cellule
≥ 187 170
80 630–187 169
29 881–80 629
19 134–29 880
< 19 134

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

Ecological tissue

Sample of 34 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 Malaren : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 3 types (connectance 14.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
79
Connectance
0.141
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

1 083,13km²

Avg depth

12,9m

Volume

14 000,000km³

Watershed

22 682km²

Shoreline

2 125,6km

Shore dev. idx

18,22

Residence time

947days

Elevation

3m

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