Ontologia

HydroLAKES lake · #150371

Håvdsjön

Natural lakeSwedenEurope 249 m

Surface area

5,7km²

Avg depth

13m

Volume

74,3km³

Shoreline

17,1km

Administrative coverage

Parent watershed

hybas-2080190580380 km² · upstream 380 km²

1 dept-equivalent regions (GADM L2)

  • Bräcke
    Jämtland · Sweden
    5.74 km²
    100.0% of lake

2 intersecting protected areas

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

Species present

478 distinct species · 649 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

649 obs · 1 cellules
Obs. / cellule
≥ 649
649–648
649–648
649–648
< 649

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

Ecological tissue

Sample of 26 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 Håvdsjön : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 1 type (connectance 8.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
28
Connectance
0.080
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

5,70km²

Avg depth

13,0m

Volume

74,300km³

Watershed

81km²

Shoreline

17,1km

Shore dev. idx

2,01

Residence time

1 144days

Elevation

249m

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