Ontologia

Town · JPN

Ōsakikamijima

Japan

CfaTemperate, no dry season, hot summer(100 %)

Species observed

87

Observations

219

Area

44,4km²

Ecological tissue

Sample of 8 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 Ōsakikamijima : 6 espèces reliées par 8 interactions GloBI sur 2 types (connectance 28.6%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
8
Connectance
0.286
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

87 distinct species · 219 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

219 obs · 2 cellules
Obs. / cellule
≥ 119
119–118
119–118
119–118
< 119

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

Climate

Mean T°

16,5°C

Annual rain

1 242mm

Warmest m°

29,0°C

Coldest m°

4,0°C

Elevation: 55 m on average (min -41 m, max 172 m)

Bioclimatic detailsExpert
Annual mean temp.
16,5°C
Annual rain
1 242mm
Warmest month
29,0°C
Coldest month
4,0°C
Mean alt.
55m
Min
-41m
Max
172m
Std. dev.
57m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,5

Org. C

32,4g/kg

Clay

31,2%

Sand

29,3%

Silt

39,5%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: vaGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
53,6g/kg
Clay
30,7%
Sand
29,6%
Silt
39,6%
5–15 cm
pH H₂O
5,5
Org. C
25,9g/kg
Clay
30,9%
Sand
29,3%
Silt
39,9%
15–30 cm
pH H₂O
5,5
Org. C
17,7g/kg
Clay
31,9%
Sand
29,0%
Silt
39,1%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest64.9%
Crops5.8%
Built-up3.1%
Bare soil0.4%
Other (grassland, water…)25.8%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology1 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,1km

Lake surface here

0,11km²

Basins crossed

1

Max stream order

1

Max drainage

14 401km²

Discharge in basins

0,0m³/s

Mean precip.

1 742mm/an

Mean T°

13,6°C

Moisture idx

0,42

Max snow

11%

Mean runoff

886mm/an

Mean elev. (basins)

273m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

0,8nW

Built-up

306,2%

Pesticides

92,6kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas5

IUCN V · 2IUCN IV · 2IUCN VI · 1🌊 Marine · 5

Tsuzukijima

IUCN IV

Prefectural Wildlife Protection Area · 2014

11 km²

Kannomineyama

IUCN IV

Prefectural Wildlife Protection Area · 2013

2 km²

Oogushi

IUCN V

Natural Coastal Protected Zone · 1981

0 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN