Ontologia

HydroLAKES lake · #147490

Sjättvattnet

Natural lakeSwedenEurope 499 m

Surface area

1,6km²

Avg depth

7,4m

Volume

11,74km³

Shoreline

12,5km

Administrative coverage

Parent watershed

hybas-2080176180597 km² · upstream 597 km²

1 dept-equivalent regions (GADM L2)

  • Strömsund
    Jämtland · Sweden
    1.61 km²
    100.0% of lake

3 intersecting protected areas

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

Species present

241 distinct species · 2 292 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 292 obs · 1 cellules
Obs. / cellule
≥ 2 292
2 292–2 291
2 292–2 291
2 292–2 291
< 2 292

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 Sjättvattnet : 29 espèces reliées par 30 interactions GloBI sur 4 types (connectance 5.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
30
Connectance
0.057
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

1,60km²

Avg depth

7,4m

Volume

11,740km³

Watershed

10km²

Shoreline

12,5km

Shore dev. idx

2,79

Residence time

804days

Elevation

499m

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