HydroLAKES lake · #168611
Étang au Duc
Surface area
1,62km²
Avg depth
3,9m
Volume
6,34km³
Shoreline
11,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- MorbihanBretagne · France1.62 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
730 distinct species · 5 252 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Étang au Duc : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 84 interactions GloBI sur 6 types (connectance 13.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Lake statistics (HydroLAKES)
Surface
1,62km²
Avg depth
3,9m
Volume
6,340km³
Watershed
364km²
Shoreline
11,1km
Shore dev. idx
2,46
Residence time
11days
Elevation
33m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.