HydroLAKES lake · #168956
Lac de Saint-Agnan
Surface area
1,08km²
Avg depth
6,4m
Volume
6,95km³
Shoreline
8,3km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- NièvreBourgogne-Franche-Comté · France1.08 km²100.0% of lake
1 communes (L5)For countries with L5
- Saint-Agnan1.08 km²
3 intersecting protected areas
Morvan
IUCN VRegional Nature Park
1.08 km² overlap
Special Areas of Conservation (Habitats Directive)
0.04 km² overlap
Tourbières Du Morvan
IUCN IVRegional Nature Reserve
0.03 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 277 distinct species · 20 323 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 de Saint-Agnan : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 8 bulles famille, 68 interactions GloBI documentées sur 4 types (connectance 13.7%, filtre Serrano α=0.2). Les 8 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
1,08km²
Avg depth
6,4m
Volume
6,950km³
Watershed
44km²
Shoreline
8,3km
Shore dev. idx
2,24
Residence time
193days
Elevation
518m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.