HydroLAKES lake · #168950
Le Piétin
Surface area
1,36km²
Avg depth
0,9m
Volume
1,29km³
Shoreline
11,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Loire-AtlantiquePays de la Loire · France1.36 km²100.0% of lake
2 communes (L5)For countries with L5
- Saint-Joachim1.04 km²
- Saint-André-des-Eaux0.32 km²
4 intersecting protected areas
Grande Brière, marais de Donges et du Brivet
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.36 km² overlap
Grande Brière et marais de Donges
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.36 km² overlap
Brière
IUCN VRegional Nature Park
1.36 km² overlap
Grande Briere
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1.36 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
726 distinct species · 5 788 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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).
Indicateurs du tissu écologique
Tissu écologique de Le Piétin : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 60 interactions GloBI documentées sur 4 types (connectance 8.5%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Lake statistics (HydroLAKES)
Surface
1,36km²
Avg depth
0,9m
Volume
1,290km³
Watershed
5km²
Shoreline
11,1km
Shore dev. idx
2,69
Residence time
166days
Elevation
-2m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.