Ontologia

HydroLAKES lake · #170992

Ō Numa

Natural lakeJapanAsia 0 m

Surface area

8,23km²

Avg depth

5m

Volume

41,15km³

Shoreline

13,2km

Administrative coverage

Parent watershed

hybas-40800375704939 km² · upstream 4939 km²

1 dept-equivalent regions (GADM L2)

3 intersecting protected areas

  • Hamatonbetsu-Kutcharoko

    IUCN IV

    National Wildlife Protection Area

    8.25 km² overlap

  • Kutcharo-ko

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    8.25 km² overlap

  • Kita okhotsk

    IUCN V

    Prefectural Natural Park

    8.25 km² overlap

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

Species present

184 distinct species · 406 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

406 obs · 1 cellules
Obs. / cellule
≥ 406
406–405
406–405
406–405
< 406

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

Ecological tissue

Sample of 32 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 Ō Numa : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 5 types (connectance 11.6%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
73
Connectance
0.116
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

8,23km²

Avg depth

5,0m

Volume

41,150km³

Watershed

153km²

Shoreline

13,2km

Shore dev. idx

1,30

Residence time

109days

Elevation

0m

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