HydroLAKES lake · #9548
Johnson Lake
Surface area
11,43km²
Avg depth
1m
Volume
11,43km³
Shoreline
33,5km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- JeffersonTexas · United States11.41 km²100.0% of lake
2 intersecting protected areas
J.D. Murphree
IUCN VWildlife Management Area
9.98 km² overlap
Marine Protected Area
9.97 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
419 distinct species · 31 770 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 : 21 espèces reliées par 63 interactions GloBI sur 3 types (connectance 13.5%, 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
11,43km²
Avg depth
1,0m
Volume
11,430km³
Watershed
160km²
Shoreline
33,5km
Shore dev. idx
2,80
Residence time
44days
Elevation
1m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.