Ontologia

HydroLAKES lake · #159033

Ärlången

Natural lakeSwedenEurope 59 m

Surface area

4,84km²

Avg depth

10,7m

Volume

51,85km³

Shoreline

20km

Administrative coverage

Parent watershed

hybas-20802556602459 km² · upstream 2459 km²

2 dept-equivalent regions (GADM L2)

  • Linköping
    Östergötland · Sweden
    3.75 km²
    77.1% of lake
  • Åtvidaberg
    Östergötland · Sweden
    1.12 km²
    22.9% of lake

6 intersecting protected areas

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

Species present

1 480 distinct species · 7 985 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 985 obs · 1 cellules
Obs. / cellule
≥ 7 985
7 985–7 984
7 985–7 984
7 985–7 984
< 7 985

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

Ecological tissue

Sample of 42 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 Ärlången : 31 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 5 types (connectance 9.5%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
86
Connectance
0.095
Patrimoniales
3
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

4,84km²

Avg depth

10,7m

Volume

51,850km³

Watershed

2 306km²

Shoreline

20,0km

Shore dev. idx

2,56

Residence time

56days

Elevation

59m

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