Ontologia

HydroLAKES lake · #147850

Nagasjön

Natural lakeSwedenEurope 237 m

Surface area

5,63km²

Avg depth

9,2m

Volume

51,55km³

Shoreline

24,1km

Administrative coverage

Parent watershed

hybas-2080176880223 km² · upstream 223 km²

1 dept-equivalent regions (GADM L2)

  • Strömsund
    Jämtland · Sweden
    5.67 km²
    100.0% of lake

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

Species present

52 distinct species · 105 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

105 obs · 1 cellules
Obs. / cellule
≥ 105
105–104
105–104
105–104
< 105

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

Ecological tissue

Sample of 16 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 Nagasjön : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 1 type (connectance 10.8%, filtre Serrano α=0.2).

Espèces affichées
16
Interactions affichées
13
Connectance
0.108
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

5,63km²

Avg depth

9,2m

Volume

51,550km³

Watershed

44km²

Shoreline

24,1km

Shore dev. idx

2,86

Residence time

1 010days

Elevation

237m

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