HydroLAKES lake · #113735
Lake Saint John
Surface area
7,41km²
Avg depth
3,2m
Volume
23,79km³
Shoreline
23,7km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- ConcordiaLouisiana · United States7.40 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
89 distinct species · 202 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 Lake Saint John : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 3 types (connectance 8.0%, filtre Serrano α=0.2). 10 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
7,41km²
Avg depth
3,2m
Volume
23,790km³
Watershed
137km²
Shoreline
23,7km
Shore dev. idx
2,45
Residence time
99days
Elevation
16m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.