Ontologia

HydroLAKES lake · #168930

Greifensee

Natural lakeSwitzerlandEurope 433 m

Surface area

7,76km²

Avg depth

6,5m

Volume

50,25km³

Shoreline

15,6km

Administrative coverage

Parent watershed

hybas-20804916301034 km² · upstream 14731 km²

1 dept-equivalent regions (GADM L2)

  • Uster
    Zürich · Switzerland
    7.78 km²
    100.0% of lake

6 intersecting protected areas

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

Species present

3 255 distinct species · 71 223 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

71 223 obs · 1 cellules
Obs. / cellule
≥ 71 223
71 223–71 222
71 223–71 222
71 223–71 222
< 71 223

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 Greifensee : 22 espèces reliées par 111 interactions GloBI sur 6 types (connectance 21.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
111
Connectance
0.210
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

7,76km²

Avg depth

6,5m

Volume

50,250km³

Watershed

195km²

Shoreline

15,6km

Shore dev. idx

1,58

Residence time

96days

Elevation

433m

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