HydroLAKES lake · #168924
Le Mortier Noir
Surface area
2,35km²
Avg depth
1,1m
Volume
2,59km³
Shoreline
12,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Loire-AtlantiquePays de la Loire · France2.35 km²100.0% of lake
3 communes (L5)For countries with L5
- Saint-Mars-du-Désert1.39 km²
- Petit-Mars0.96 km²
- Sucé-sur-Erdre0.00 km²
2 intersecting protected areas
Marais de l'Erdre
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.34 km² overlap
Marais de l'Erdre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.33 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 810 distinct species · 5 108 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Le Mortier Noir : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 7 bulles famille, 76 interactions GloBI documentées sur 3 types (connectance 10.8%, filtre Serrano α=0.2). Les 7 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
2,35km²
Avg depth
1,1m
Volume
2,590km³
Watershed
35km²
Shoreline
12,1km
Shore dev. idx
2,22
Residence time
58days
Elevation
1m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.