Ontologia

HydroLAKES lake · #159074

Hullsjön

Natural lakeSwedenEurope 38 m

Surface area

1,83km²

Avg depth

2,6m

Volume

4,73km³

Shoreline

5,4km

Administrative coverage

Parent watershed

hybas-2080260350702 km² · upstream 48628 km²

2 dept-equivalent regions (GADM L2)

  • Vänersborg
    Västra Götaland · Sweden
    1.09 km²
    59.5% of lake
  • Trollhättan
    Västra Götaland · Sweden
    0.74 km²
    40.5% of lake

5 intersecting protected areas

  • 2000529 Hullsjön

    IUCN IV

    Nature Reserve

    1.84 km² overlap

  • Hullsjön

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    1.84 km² overlap

  • Hullsjön

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.84 km² overlap

  • Hullsjön

    IUCN IV

    Natura 2000 SCI

    1.84 km² overlap

  • Hullsjön

    IUCN IV

    Natura 2000 SPA

    1.84 km² overlap

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

Species present

3 301 distinct species · 273 351 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

273 351 obs · 1 cellules
Obs. / cellule
≥ 273 351
273 351–273 350
273 351–273 350
273 351–273 350
< 273 351

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

Ecological tissue

Sample of 27 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 Hullsjön : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 3 types (connectance 15.9%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
60
Connectance
0.159
Patrimoniales
2
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

1,83km²

Avg depth

2,6m

Volume

4,730km³

Watershed

34km²

Shoreline

5,4km

Shore dev. idx

1,13

Residence time

118days

Elevation

38m

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