Ontologia

HydroLAKES lake · #173331

内沼

Natural lakeJapanAsia 3 m

Surface area

1,11km²

Avg depth

3,3m

Volume

3,67km³

Shoreline

4,3km

Administrative coverage

Parent watershed

hybas-40805015701134 km² · upstream 1134 km²

1 dept-equivalent regions (GADM L2)

  • Kurihara
    Miyagi · Japan
    1.11 km²
    100.0% of lake

3 intersecting protected areas

  • Izunuma

    IUCN IV

    National Wildlife Protection Area

    1.11 km² overlap

  • Izunuma-uchinuma

    IUCN V

    Prefectural Nature Conservation Area

    1.11 km² overlap

  • Izu-numa & Uchi-numa

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    1.11 km² overlap

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

Species present

225 distinct species · 6 438 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 438 obs · 1 cellules
Obs. / cellule
≥ 6 438
6 438–6 437
6 438–6 437
6 438–6 437
< 6 438

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

Ecological tissue

Sample of 23 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 内沼 : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 2 types (connectance 19.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
59
Connectance
0.197
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

1,11km²

Avg depth

3,3m

Volume

3,670km³

Watershed

17km²

Shoreline

4,3km

Shore dev. idx

1,16

Residence time

88days

Elevation

3m

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