Ontologia

HydroLAKES lake · #174196

Yanakako

ReservoirJapanAsia 9 m

Surface area

4,6km²

Avg depth

5,7m

Volume

26,4km³

Shoreline

9,5km

Administrative coverage

Parent watershed

hybas-40805775402572 km² · upstream 2572 km²

3 dept-equivalent regions (GADM L2)

  • Fujioka
    Tochigi · Japan
    3.39 km²
    73.6% of lake
  • Kitakawabe
    Saitama · Japan
    1.03 km²
    22.3% of lake
  • Itakura
    Gunma · Japan
    0.19 km²
    4.1% of lake

2 intersecting protected areas

  • Watarase-yusuichi

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    4.61 km² overlap

  • Watarase yusuichi

    IUCN IV

    National Wildlife Protection Area

    4.61 km² overlap

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

Species present

676 distinct species · 18 407 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 407 obs · 1 cellules
Obs. / cellule
≥ 18 407
18 407–18 406
18 407–18 406
18 407–18 406
< 18 407

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

Ecological tissue

Sample of 28 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 Yanakako : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 3 types (connectance 13.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
58
Connectance
0.133
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

4,60km²

Avg depth

5,7m

Volume

26,400km³

Watershed

1 265km²

Shoreline

9,5km

Shore dev. idx

1,25

Residence time

15days

Elevation

9m

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