HydroLAKES lake · #1165

Sommen

Natural lakeSwedenEurope 146 m

Surface area

128,96km²

Avg depth

37,4m

Volume

4 819km³

Shoreline

315,5km

Administrative coverage

Parent watershed

hybas-2080262320930 km² · upstream 930 km²

4 dept-equivalent regions (GADM L2)

Boxholm
Östergötland · Sweden
70.65 km²
54.5% of lake
Ydre
Östergötland · Sweden
46.00 km²
35.5% of lake
Tranås
Jönköping · Sweden
11.15 km²
8.6% of lake
Kinda
Östergötland · Sweden
1.83 km²
1.4% of lake

30 intersecting protected areas

2001366 Romanäs
IUCN IV
Nature Reserve
1.43 km² overlap
2001716 Torpön
IUCN Not Assigned
Nature Reserve
0.99 km² overlap
2011115 Haröarna
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.16 km² overlap
2011113 Norra Järnön
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.12 km² overlap
2011118 Bäcka öar
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.10 km² overlap
2011116 Torsmåla holmar
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.09 km² overlap
2042688 Rubban
IUCN IV
Nature Reserve
0.07 km² overlap
2011111 Hästholmen
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.07 km² overlap
2011122 Lillön
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.06 km² overlap

21 more protected areassorted by overlap area

2011112 Holme S. Björnön
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.05 km² overlap
2011114 Holme i Mörtviken
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.05 km² overlap
SK 479-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency
0.04 km² overlap
2001435 Bjälnäs
IUCN IV
Nature Reserve
0.04 km² overlap
Bjälnäs
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.04 km² overlap
Bjälnäs
IUCN IV
Natura 2000 SCI
0.04 km² overlap
2011123 Utterholmen
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.04 km² overlap
2011117 Ö i Torpöns NR
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.03 km² overlap
2003416 Lindön i Sommen
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.03 km² overlap
2011110 Ej namngiven holme
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.02 km² overlap
SK 265-2005
IUCN IV
Nature conservation agreement, Swedish Forest Agency
0.02 km² overlap
SK 478-2003
IUCN IV
Nature conservation agreement, Swedish Forest Agency
0.02 km² overlap
2011119 Del av Lindön i Sommen
IUCN Not Assigned
Wildlife and Plant Sanctuary
0.01 km² overlap
Ivranäs
IUCN Ia
Natura 2000 SPA
0.01 km² overlap
Ivranäs
IUCN Not Reported
Special Protection Area (Birds Directive)
0.01 km² overlap
2012980 Sommenäs
IUCN IV
Nature Reserve
0.01 km² overlap
2061761 Aspenäs
IUCN Ia
Nature Reserve
0.01 km² overlap
2062041 Idebo
IUCN Ia
Nature Reserve
0.01 km² overlap
2001733 Rocks mosse
IUCN Ia
Nature Reserve
0.00 km² overlap
Rocks mosse
IUCN Not Reported
Special Protection Area (Birds Directive)
0.00 km² overlap
Rocks mosse
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.00 km² overlap

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

Species present

2 801 distinct species · 24 362 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Sommen : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 6 types (connectance 15.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.152

Patrimoniales

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

128,96km²

Avg depth

37,4m

Volume

4 819,000km³

Watershed

1 893km²

Shoreline

315,5km

Shore dev. idx

7,84

Residence time

5 271days

Elevation

146m

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