HydroLAKES lake · #110222
Johnson Lake
Surface area
4,81km²
Avg depth
2,5m
Volume
12,19km³
Shoreline
25,5km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- BrookingsSouth Dakota · United States4.82 km²100.0% of lake
2 intersecting protected areas
State Wildlife Management Area
0.14 km² overlap
Oakwood Lakes
IUCN VRecreation Area
0.05 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
492 distinct species · 18 370 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Johnson Lake : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 100 interactions GloBI sur 4 types (connectance 17.8%, 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
4,81km²
Avg depth
2,5m
Volume
12,190km³
Watershed
178km²
Shoreline
25,5km
Shore dev. idx
3,28
Residence time
236days
Elevation
495m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.