Ontologia

HydroLAKES lake · #164387

Zwischenahner Meer

Natural lakeGermanyEurope 3 m

Surface area

4,95km²

Avg depth

3,1m

Volume

15,59km³

Shoreline

9,5km

Administrative coverage

Parent watershed

hybas-20803465602212 km² · upstream 2212 km²

1 dept-equivalent regions (GADM L2)

  • Ammerland
    Niedersachsen · Germany
    4.97 km²
    100.0% of lake

2 intersecting protected areas

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

Species present

1 007 distinct species · 5 986 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 986 obs · 1 cellules
Obs. / cellule
≥ 5 986
5 986–5 985
5 986–5 985
5 986–5 985
< 5 986

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

Ecological tissue

Sample of 37 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 Zwischenahner Meer : 26 espèces reliées par 87 interactions GloBI sur 6 types (connectance 12.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
87
Connectance
0.124
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

4,95km²

Avg depth

3,1m

Volume

15,590km³

Watershed

112km²

Shoreline

9,5km

Shore dev. idx

1,20

Residence time

108days

Elevation

3m

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