HydroLAKES lake · #13932
Lac · #13932
Surface area
27,54km²
Avg depth
21,1m
Volume
581,72km³
Shoreline
64,7km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- Côtes-d'ArmorBretagne · France8.56 km²31.0% of lake
- Ille-et-VilaineBretagne · France5.06 km²18.3% of lake
16 communes (L5)For countries with L5
- Pleudihen-sur-Rance4.57 km²
- Plouër-sur-Rance1.51 km²
- Saint-Suliac0.97 km²
- Le Minihic-sur-Rance0.83 km²
- Pleurtuit0.81 km²
- Saint-Père0.77 km²
- Saint-Samson-sur-Rance0.74 km²
- La Vicomté-sur-Rance0.73 km²
- Saint-Jouan-des-Guérets0.51 km²
- La Ville-ès-Nonais0.48 km²
- Lanvallay0.43 km²
- La Richardais0.43 km²
- Taden0.31 km²
- Langrolay-sur-Rance0.27 km²
- Saint-Malo0.25 km²
- Saint-Hélen0.01 km²
6 intersecting protected areas
Estuaire de la Rance
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
14.55 km² overlap
Regional Nature Park
6.71 km² overlap
Ilôts Notre-Dame et Chevret
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.03 km² overlap
Ilet de la Richardais
IUCN IVBiotope Protection Order
0.02 km² overlap
La Vallée de la Rance
IUCN Not ReportedGeotope Protection Order
0.01 km² overlap
Grève de Morlet
IUCN Not ReportedGeotope Protection Order
0.01 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
4 626 distinct species · 102 019 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 54 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 · #13932 : 20 espèces reliées par 260 interactions GloBI sur 5 types (connectance 14.2%, filtre Serrano α=0.2). 41 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
27,54km²
Avg depth
21,1m
Volume
581,720km³
Watershed
1 026km²
Shoreline
64,7km
Shore dev. idx
3,48
Residence time
399days
Elevation
0m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.