Ontologia

HydroLAKES lake · #156814

Vällen

Natural lakeSwedenEurope 19 m

Surface area

8,83km²

Avg depth

8,1m

Volume

71,62km³

Shoreline

43,6km

Administrative coverage

Parent watershed

hybas-2080031620446 km² · upstream 446 km²

2 dept-equivalent regions (GADM L2)

  • Uppsala
    Uppsala · Sweden
    5.50 km²
    62.0% of lake
  • Östhammar
    Uppsala · Sweden
    3.38 km²
    38.0% of lake

11 intersecting protected areas

2 more protected areas

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

Species present

1 136 distinct species · 8 014 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 014 obs · 1 cellules
Obs. / cellule
≥ 8 014
8 014–8 013
8 014–8 013
8 014–8 013
< 8 014

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

Ecological tissue

Sample of 41 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 Vällen : 30 espèces reliées par 96 interactions GloBI sur 7 types (connectance 11.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
96
Connectance
0.117
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

8,83km²

Avg depth

8,1m

Volume

71,620km³

Watershed

148km²

Shoreline

43,6km

Shore dev. idx

4,14

Residence time

628days

Elevation

19m

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