Ontologia

HydroLAKES lake · #12727

Somfarsjön

Natural lakeSwedenEurope 43 m

Surface area

59,9km²

Avg depth

7,3m

Volume

435,27km³

Shoreline

154,6km

Administrative coverage

Parent watershed

hybas-2080031490743 km² · upstream 28435 km²

2 dept-equivalent regions (GADM L2)

  • Gävle
    Gävleborg · Sweden
    54.33 km²
    90.2% of lake
  • Tierp
    Uppsala · Sweden
    5.91 km²
    9.8% of lake

16 intersecting protected areas

  • Tjursöarkipelagen

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    15.27 km² overlap

  • Tjursöarkipelagen

    IUCN Ia

    Natura 2000 SPA

    15.27 km² overlap

  • 2014009 Tjursö-arkipelagen

    IUCN Ia

    Nature Reserve

    15.25 km² overlap

  • 2002532 Bredforsen

    IUCN IV

    Nature Reserve

    0.05 km² overlap

  • Bredfors

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.05 km² overlap

  • Bredfors

    IUCN IV

    Natura 2000 SCI

    0.05 km² overlap

  • Untra

    IUCN IV

    Natura 2000 SPA

    0.04 km² overlap

  • Untra

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    0.04 km² overlap

  • Hedesunda

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    0.01 km² overlap

7 more protected areas

  • Hedesunda

    IUCN IV

    Natura 2000 SPA

    0.01 km² overlap

  • SK 520-2018

    IUCN IV

    Nature conservation agreement

    0.01 km² overlap

  • SK 278-1997

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

    0.01 km² overlap

  • SK 253-1997

    IUCN Ia

    Habitat Protection Area

    0.01 km² overlap

  • SK 601-2007

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

    0.00 km² overlap

  • SK 137-1998

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

    0.00 km² overlap

  • 2000284 Kvillanudden

    IUCN IV

    Nature Reserve

    0.00 km² overlap

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

Species present

2 201 distinct species · 29 752 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

29 752 obs · 4 cellules
Obs. / cellule
≥ 13 930
13 930–13 929
7 921–13 929
7 921–7 920
< 7 921

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 Somfarsjön : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 6 types (connectance 11.3%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
75
Connectance
0.113
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

59,90km²

Avg depth

7,3m

Volume

435,270km³

Watershed

28 039km²

Shoreline

154,6km

Shore dev. idx

5,63

Residence time

14days

Elevation

43m

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