HydroLAKES lake · #113920
Lake Pontchartrain
Surface area
3,1km²
Avg depth
0,8m
Volume
2,54km³
Shoreline
11,8km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Saint CharlesLouisiana · United States3.10 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
197 distinct species · 2 715 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Pontchartrain : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 3 types (connectance 11.3%, 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
3,10km²
Avg depth
0,8m
Volume
2,540km³
Watershed
38km²
Shoreline
11,8km
Shore dev. idx
1,89
Residence time
34days
Elevation
0m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.