Ontologia

City · JPN

Oga

Japan

CfaTemperate, no dry season, hot summer(92 %)

Species observed

2 336

Observations

11 577

Area

240,2km²

Ecological tissue

Sample of 33 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 Oga : 25 espèces reliées par 62 interactions GloBI sur 3 types (connectance 10.4%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
62
Connectance
0.104
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

2 336 distinct species · 11 577 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 577 obs · 9 cellules
Obs. / cellule
≥ 3 380
3 380–3 379
1 897–3 379
982–1 896
< 982

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

Climate

Mean T°

11,5°C

Annual rain

2 201mm

Warmest m°

25,4°C

Coldest m°

-1,4°C

Elevation: 81 m on average (min -55 m, max 497 m)

Bioclimatic detailsExpert
Annual mean temp.
11,5°C
Annual rain
2 201mm
Warmest month
25,4°C
Coldest month
-1,4°C
Mean alt.
81m
Min
-55m
Max
497m
Std. dev.
100m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(92 %)Temperate

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

Soil & lithology

pH H₂O

5,1

Org. C

59,1g/kg

Clay

28,8%

Sand

31,6%

Silt

39,6%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
80,8g/kg
Clay
28,6%
Sand
31,2%
Silt
40,2%
5–15 cm
pH H₂O
5,1
Org. C
58,3g/kg
Clay
28,3%
Sand
31,4%
Silt
40,4%
15–30 cm
pH H₂O
5,1
Org. C
38,3g/kg
Clay
29,5%
Sand
32,2%
Silt
38,4%

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

Land cover

Forest68.2%
Crops12.1%
Built-up1.7%
Bare soil0.7%
Other (grassland, water…)17.3%

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

Hydrology1 basins · 1 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

46,7km

Lake surface here

0,25km²

Basins crossed

1

Max stream order

5

Max drainage

1 508km²

Discharge in basins

0,0m³/s

Mean precip.

1 623mm/an

Mean T°

10,7°C

Moisture idx

0,48

Max snow

21%

Mean runoff

1 239mm/an

Mean elev. (basins)

99m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

171,7%

Pesticides

76,0kg/km²

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

Protected areas12

IUCN IV · 10IUCN VI · 1IUCN V · 1🌊 Marine · 6

Oga

IUCN V

Quasi National Park · 1973

118 km²

Minamiiso

IUCN IV

Prefectural Wildlife Protection Area · 2019

22 km²

Hachirogata

IUCN IV

Prefectural Wildlife Protection Area · 2012

10 km²

Wakimoto

IUCN IV

Prefectural Wildlife Protection Area · 2021

5 km²

Complete list

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