Ontologia

HydroLAKES lake · #146665

Norsträsket

Natural lakeSwedenEurope 239 m

Surface area

1,49km²

Avg depth

6,1m

Volume

9,08km³

Shoreline

12,6km

Administrative coverage

Parent watershed

hybas-20800306101042 km² · upstream 1042 km²

2 dept-equivalent regions (GADM L2)

  • Vindeln
    Västerbotten · Sweden
    0.80 km²
    53.3% of lake
  • Skellefteå
    Västerbotten · Sweden
    0.70 km²
    46.7% of lake

3 intersecting protected areas

  • Sävarån

    IUCN Not Assigned

    Natura 2000 SCI

    1.31 km² overlap

  • Sävarån

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.31 km² overlap

  • SK 269-2009

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

    0.03 km² overlap

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

Species present

229 distinct species · 627 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

627 obs · 1 cellules
Obs. / cellule
≥ 627
627–626
627–626
627–626
< 627

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

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

Indicateurs du tissu écologique

Tissu écologique de Norsträsket : 25 espèces reliées par 49 interactions GloBI sur 5 types (connectance 7.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
49
Connectance
0.078
Patrimoniales
0
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

1,49km²

Avg depth

6,1m

Volume

9,080km³

Watershed

6km²

Shoreline

12,6km

Shore dev. idx

2,92

Residence time

1 439days

Elevation

239m

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