Ontologia

HydroLAKES lake · #9519

Lake Lyndon B. Johnson

ReservoirUnited States of AmericaNorth America 252 m

Surface area

19,06km²

Avg depth

14,7m

Volume

280km³

Shoreline

73,9km

Administrative coverage

Parent watershed

hybas-708074870067 km² · upstream 91132 km²

2 dept-equivalent regions (GADM L2)

  • Burnet
    Texas · United States
    11.18 km²
    58.7% of lake
  • Llano
    Texas · United States
    7.86 km²
    41.3% of lake

Computed live · HydroLAKES × GADM × WDPA · cached after first hit.

Species present

594 distinct species · 10 783 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 783 obs · 1 cellules
Obs. / cellule
≥ 10 783
10 783–10 782
10 783–10 782
10 783–10 782
< 10 783

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 42 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Lake Lyndon B. Johnson : 31 espèces reliées par 98 interactions GloBI sur 3 types (connectance 11.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
98
Connectance
0.114
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Lake statistics (HydroLAKES)

Surface

19,06km²

Avg depth

14,7m

Volume

280,000km³

Watershed

92 281km²

Shoreline

73,9km

Shore dev. idx

4,77

Residence time

52days

Elevation

252m

HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.