Ontologia

HydroLAKES lake · #159968

Gräsken

Natural lakeSwedenEurope 156 m

Surface area

1,73km²

Avg depth

5,3m

Volume

9,17km³

Shoreline

15,5km

Administrative coverage

Parent watershed

hybas-2080273080523 km² · upstream 523 km²

3 dept-equivalent regions (GADM L2)

  • Tranemo
    Västra Götaland · Sweden
    1.20 km²
    69.0% of lake
  • Svenljunga
    Västra Götaland · Sweden
    0.29 km²
    16.6% of lake
  • Gislaved
    Jönköping · Sweden
    0.25 km²
    14.4% of lake

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

Species present

665 distinct species · 2 874 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 874 obs · 1 cellules
Obs. / cellule
≥ 2 874
2 874–2 873
2 874–2 873
2 874–2 873
< 2 874

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

Ecological tissue

Sample of 19 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 Gräsken : 15 espèces reliées par 32 interactions GloBI sur 4 types (connectance 13.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
32
Connectance
0.139
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

1,73km²

Avg depth

5,3m

Volume

9,170km³

Watershed

22km²

Shoreline

15,5km

Shore dev. idx

3,33

Residence time

266days

Elevation

156m

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