Ontologia

HydroLAKES lake · #174428

Koyama-ike

Natural lakeJapanAsia -5 m

Surface area

6,94km²

Avg depth

10,8m

Volume

75,2km³

Shoreline

15,7km

Administrative coverage

Parent watershed

hybas-40800424301194 km² · upstream 1194 km²

1 dept-equivalent regions (GADM L2)

  • Tottori
    Tottori · Japan
    6.94 km²
    100.0% of lake

1 intersecting protected areas

  • Koyamaike

    IUCN IV

    Prefectural Wildlife Protection Area

    6.94 km² overlap

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

Species present

214 distinct species · 563 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

563 obs · 1 cellules
Obs. / cellule
≥ 563
563–562
563–562
563–562
< 563

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

Ecological tissue

Sample of 37 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 Koyama-ike : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 4 types (connectance 7.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
51
Connectance
0.072
Patrimoniales
2
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

6,94km²

Avg depth

10,8m

Volume

75,200km³

Watershed

39km²

Shoreline

15,7km

Shore dev. idx

1,68

Residence time

570days

Elevation

-5m

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