HydroLAKES lake · #168750
Lac · #168750
Surface area
1,26km²
Avg depth
4,7m
Volume
5,94km³
Shoreline
11,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Loire-AtlantiquePays de la Loire · France1.26 km²100.0% of lake
3 communes (L5)For countries with L5
- Avessac0.61 km²
- Massérac0.35 km²
- Guémené-Penfao0.30 km²
1 intersecting protected areas
Marais de Vilaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.26 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
699 distinct species · 1 753 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Lac · #168750 : 43 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 99 interactions GloBI documentées sur 5 types (connectance 10.0%, filtre Serrano α=0.2). Les 2 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
1,26km²
Avg depth
4,7m
Volume
5,940km³
Watershed
698km²
Shoreline
11,1km
Shore dev. idx
2,80
Residence time
7days
Elevation
0m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.