Ontologia

HydroLAKES lake · #147657

Lång-Viskasjön

Natural lakeSwedenEurope 261 m

Surface area

1,19km²

Avg depth

7,8m

Volume

9,3km³

Shoreline

8,2km

Administrative coverage

Parent watershed

hybas-20800307601655 km² · upstream 1655 km²

1 dept-equivalent regions (GADM L2)

  • Bjurholm
    Västerbotten · Sweden
    1.20 km²
    100.0% of lake

2 intersecting protected areas

  • Lögdeälven

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.14 km² overlap

  • Lögdeälven

    IUCN Not Assigned

    Natura 2000 SCI

    1.14 km² overlap

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

Species present

165 distinct species · 1 851 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 851 obs · 1 cellules
Obs. / cellule
≥ 1 851
1 851–1 850
1 851–1 850
1 851–1 850
< 1 851

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

Ecological tissue

Sample of 41 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 Lång-Viskasjön : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 3 types (connectance 11.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
93
Connectance
0.113
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

1,19km²

Avg depth

7,8m

Volume

9,300km³

Watershed

104km²

Shoreline

8,2km

Shore dev. idx

2,11

Residence time

85days

Elevation

261m

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