Ontologia

HydroLAKES lake · #105524

Johnson Lake

Natural lakeUnited States of AmericaNorth America 416 m

Surface area

1,73km²

Avg depth

5,1m

Volume

8,77km³

Shoreline

8,8km

Administrative coverage

Parent watershed

hybas-70803523801358 km² · upstream 1358 km²

1 dept-equivalent regions (GADM L2)

  • Itasca
    Minnesota · United States
    1.74 km²
    100.0% of lake

1 intersecting protected areas

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

Species present

278 distinct species · 1 116 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 116 obs · 1 cellules
Obs. / cellule
≥ 1 116
1 116–1 115
1 116–1 115
1 116–1 115
< 1 116

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

Ecological tissue

Sample of 40 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 : 26 espèces reliées par 88 interactions GloBI sur 4 types (connectance 10.7%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
88
Connectance
0.107
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

1,73km²

Avg depth

5,1m

Volume

8,770km³

Watershed

6km²

Shoreline

8,8km

Shore dev. idx

1,88

Residence time

2 256days

Elevation

416m

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