Ontologia

HydroLAKES lake · #162889

Holmer See

Natural lakeGermanyEurope -3 m

Surface area

2,51km²

Avg depth

1m

Volume

2,39km³

Shoreline

7,6km

Administrative coverage

Parent watershed

hybas-20800243402054 km² · upstream 2054 km²

1 dept-equivalent regions (GADM L2)

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

6 intersecting protected areas

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

Species present

867 distinct species · 12 753 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 753 obs · 1 cellules
Obs. / cellule
≥ 12 753
12 753–12 752
12 753–12 752
12 753–12 752
< 12 753

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

Ecological tissue

Sample of 31 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 Holmer See : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 4 types (connectance 14.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
66
Connectance
0.142
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

2,51km²

Avg depth

1,0m

Volume

2,390km³

Watershed

270km²

Shoreline

7,6km

Shore dev. idx

1,36

Residence time

6days

Elevation

-3m

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