HydroLAKES lake · #111308
South Twin Lake
Surface area
1,73km²
Avg depth
1,6m
Volume
2,76km³
Shoreline
5,8km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- CalhounIowa · United States1.73 km²100.0% of lake
1 intersecting protected areas
South Twin Lake
IUCN VWildlife Management Area
0.03 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
233 distinct species · 7 442 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 South Twin Lake : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 63 interactions GloBI sur 3 types (connectance 11.9%, filtre Serrano α=0.2). 7 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
1,73km²
Avg depth
1,6m
Volume
2,760km³
Watershed
22km²
Shoreline
5,8km
Shore dev. idx
1,24
Residence time
246days
Elevation
361m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.