Ontologia

HydroLAKES lake · #162895

Arlau-Speicherbecken

Natural lakeGermanyEurope -4 m

Surface area

1,91km²

Avg depth

0,9m

Volume

1,79km³

Shoreline

9,3km

Administrative coverage

Parent watershed

hybas-20800243402054 km² · upstream 2054 km²

1 dept-equivalent regions (GADM L2)

  • Nordfriesland
    Schleswig-Holstein · Germany
    1.92 km²
    100.0% of lake

6 intersecting protected areas

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

Species present

652 distinct species · 24 121 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 121 obs · 1 cellules
Obs. / cellule
≥ 24 121
24 121–24 120
24 121–24 120
24 121–24 120
< 24 121

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 Arlau-Speicherbecken : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 4 types (connectance 18.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
68
Connectance
0.180
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

1,91km²

Avg depth

0,9m

Volume

1,790km³

Watershed

6km²

Shoreline

9,3km

Shore dev. idx

1,89

Residence time

205days

Elevation

-4m

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