Ontologia

HydroLAKES lake · #158641

Nedre Bolsjön

Natural lakeSwedenEurope 111 m

Surface area

1,31km²

Avg depth

10,3m

Volume

13,44km³

Shoreline

10,1km

Administrative coverage

Parent watershed

hybas-20800334701310 km² · upstream 1310 km²

1 dept-equivalent regions (GADM L2)

  • Tanum
    Västra Götaland · Sweden
    1.32 km²
    100.0% of lake

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

Species present

919 distinct species · 8 674 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 674 obs · 1 cellules
Obs. / cellule
≥ 8 674
8 674–8 673
8 674–8 673
8 674–8 673
< 8 674

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

Ecological tissue

Sample of 28 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 Nedre Bolsjön : 24 espèces reliées par 38 interactions GloBI sur 4 types (connectance 10.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
38
Connectance
0.101
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

1,31km²

Avg depth

10,3m

Volume

13,440km³

Watershed

11km²

Shoreline

10,1km

Shore dev. idx

2,50

Residence time

869days

Elevation

111m

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