HydroLAKES lake · #9201
Lake Decatur
Surface area
10,91km²
Avg depth
6,5m
Volume
71km³
Shoreline
44,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- MaconIllinois · United States10.92 km²100.0% of lake
2 intersecting protected areas
Bois Du Sangamon
IUCN VConservation Area
0.00 km² overlap
Bois du Sangamon
IUCN VNature Preserve
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
433 distinct species · 3 910 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Decatur : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 91 interactions GloBI sur 4 types (connectance 11.1%, 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
10,91km²
Avg depth
6,5m
Volume
71,000km³
Watershed
2 365km²
Shoreline
44,1km
Shore dev. idx
3,76
Residence time
35days
Elevation
187m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.