Ontologia

HydroLAKES lake · #112015

Johnson Lake

ReservoirUnited States of AmericaNorth America 797 m

Surface area

8,41km²

Avg depth

8,7m

Volume

72,8km³

Shoreline

14,2km

Administrative coverage

Parent watershed

hybas-7080523110565 km² · upstream 565 km²

2 dept-equivalent regions (GADM L2)

  • Gosper
    Nebraska · United States
    5.81 km²
    69.0% of lake
  • Dawson
    Nebraska · United States
    2.61 km²
    31.0% of lake

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

Species present

231 distinct species · 4 277 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 277 obs · 1 cellules
Obs. / cellule
≥ 4 277
4 277–4 276
4 277–4 276
4 277–4 276
< 4 277

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

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Johnson Lake : 23 espèces reliées par 88 interactions GloBI sur 4 types (connectance 15.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
88
Connectance
0.157
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

8,41km²

Avg depth

8,7m

Volume

72,800km³

Watershed

17km²

Shoreline

14,2km

Shore dev. idx

1,38

Residence time

30 093days

Elevation

797m

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