Ontologia

HydroLAKES lake · #14024

Lac de Grand-Lieu

Natural lakeFranceEurope -1 m

Surface area

21,89km²

Avg depth

1,2m

Volume

26,5km³

Shoreline

70,1km

Administrative coverage

Parent watershed

hybas-20805017101269 km² · upstream 1269 km²

1 dept-equivalent regions (GADM L2)

3 communes (L5)

9 intersecting protected areas

  • Lac de Grand-Lieu

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    21.94 km² overlap

  • Lac de Grand-Lieu

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    21.93 km² overlap

  • Lac de Grand Lieu

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    21.03 km² overlap

  • Lac de grand lieu

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    14.84 km² overlap

  • Lac De Grand-Lieu

    IUCN IV

    National Nature Reserve

    14.75 km² overlap

  • Lac De Grand-Lieu

    IUCN IV

    Regional Nature Reserve

    4.36 km² overlap

  • Rives nord du lac de grand lieu

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.02 km² overlap

  • La Pierre-Aigüe

    IUCN IV

    Geotope Protection Order

    0.00 km² overlap

  • La Pierre-Aigüe

    IUCN Not Reported

    Geotope Protection Order

    0.00 km² overlap

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

Species present

1 023 distinct species · 8 221 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 221 obs · 1 cellules
Obs. / cellule
≥ 8 221
8 221–8 220
8 221–8 220
8 221–8 220
< 8 221

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

Ecological tissue

Sample of 36 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 Lac de Grand-Lieu : 30 espèces + 6 bulles famille, 57 interactions GloBI documentées sur 5 types (connectance 9.0%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
36
Interactions affichées
57
Connectance
0.090
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

21,89km²

Avg depth

1,2m

Volume

26,500km³

Watershed

811km²

Shoreline

70,1km

Shore dev. idx

4,22

Residence time

22days

Elevation

-1m

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