Ontologia

HydroLAKES lake · #1368391

Kejonuma

ReservoirJapanAsia 26 m

Surface area

0,32km²

Avg depth

9m

Volume

2,9km³

Shoreline

4,4km

Administrative coverage

Parent watershed

hybas-4080044180766 km² · upstream 10122 km²

1 dept-equivalent regions (GADM L2)

  • Ōsaki
    Miyagi · Japan
    0.32 km²
    100.0% of lake

3 intersecting protected areas

  • Kejonuma

    IUCN IV

    National Wildlife Protection Area

    0.32 km² overlap

  • Kejo-numa

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    0.31 km² overlap

  • Kejonuma

    IUCN IV

    Prefectural Wildlife Protection Area

    0.00 km² overlap

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

Species present

206 distinct species · 663 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

663 obs · 1 cellules
Obs. / cellule
≥ 663
663–662
663–662
663–662
< 663

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

Ecological tissue

Sample of 26 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 Kejonuma : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 3 types (connectance 13.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
65
Connectance
0.131
Patrimoniales
1
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

0,32km²

Avg depth

9,0m

Volume

2,900km³

Watershed

3km²

Shoreline

4,4km

Shore dev. idx

2,16

Residence time

454days

Elevation

26m

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