HydroLAKES lake · #168356
Étang de Boulet
Surface area
1km²
Avg depth
3,4m
Volume
3,42km³
Shoreline
7km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Ille-et-VilaineBretagne · France1.01 km²100.0% of lake
1 intersecting protected areas
Etangs du canal d'Ille et Rance
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.01 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
978 distinct species · 5 682 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 de Boulet : 10 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 242 interactions GloBI sur 5 types (connectance 14.6%, filtre Serrano α=0.2). 48 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
1,00km²
Avg depth
3,4m
Volume
3,420km³
Watershed
13km²
Shoreline
7,0km
Shore dev. idx
1,97
Residence time
185days
Elevation
68m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.