Ontologia

HydroLAKES lake · #145827

Yttre Tväråträsk

Natural lakeSwedenEurope 289 m

Surface area

1,06km²

Avg depth

6,6m

Volume

6,98km³

Shoreline

6,8km

Administrative coverage

Parent watershed

hybas-2080162590900 km² · upstream 10806 km²

1 dept-equivalent regions (GADM L2)

  • Lycksele
    Västerbotten · Sweden
    1.07 km²
    100.0% of lake

3 intersecting protected areas

  • Vindelälven

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    1.06 km² overlap

  • Vindelälven

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.06 km² overlap

  • Vindelälven

    IUCN Not Assigned

    Natura 2000 SCI

    1.06 km² overlap

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

Species present

222 distinct species · 1 377 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 377 obs · 1 cellules
Obs. / cellule
≥ 1 377
1 377–1 376
1 377–1 376
1 377–1 376
< 1 377

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

Ecological tissue

Sample of 31 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 Yttre Tväråträsk : 28 espèces reliées par 23 interactions GloBI sur 3 types (connectance 4.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
23
Connectance
0.050
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

1,06km²

Avg depth

6,6m

Volume

6,980km³

Watershed

7km²

Shoreline

6,8km

Shore dev. idx

1,87

Residence time

878days

Elevation

289m

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