Ontologia

HydroLAKES lake · #144611

Gråträsket

Natural lakeSwedenEurope 324 m

Surface area

8,85km²

Avg depth

14,3m

Volume

126,09km³

Shoreline

17,3km

Administrative coverage

Parent watershed

hybas-2080155640520 km² · upstream 1661 km²

1 dept-equivalent regions (GADM L2)

  • Piteå
    Norrbotten · Sweden
    8.90 km²
    100.0% of lake

2 intersecting protected areas

  • Byskeälven

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    8.83 km² overlap

  • Byskeälven

    IUCN Not Assigned

    Natura 2000 SCI

    8.83 km² overlap

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

Species present

336 distinct species · 1 073 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 073 obs · 1 cellules
Obs. / cellule
≥ 1 073
1 073–1 072
1 073–1 072
1 073–1 072
< 1 073

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

Ecological tissue

Sample of 32 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 Gråträsket : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 4 types (connectance 13.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
73
Connectance
0.130
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

8,85km²

Avg depth

14,3m

Volume

126,090km³

Watershed

37km²

Shoreline

17,3km

Shore dev. idx

1,64

Residence time

3 723days

Elevation

324m

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