HydroLAKES lake · #168557
Retenue de la Chèze
Surface area
1,23km²
Avg depth
4,4m
Volume
5,35km³
Shoreline
16,9km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Ille-et-VilaineBretagne · France1.23 km²100.0% of lake
4 communes (L5)For countries with L5
- Saint-Thurial0.74 km²
- Treffendel0.43 km²
- Maxent0.06 km²
- Plélan-le-Grand0.00 km²
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 466 distinct species · 20 190 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Retenue de la Chèze : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 112 interactions GloBI sur 6 types (connectance 24.1%, filtre Serrano α=0.2). 12 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
1,23km²
Avg depth
4,4m
Volume
5,350km³
Watershed
31km²
Shoreline
16,9km
Shore dev. idx
4,31
Residence time
122days
Elevation
87m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.