Ontologia

City · JPN

Okegawa

Japan

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

Species observed

122

Observations

307

Area

27,1km²

Ecological tissue

Sample of 34 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 Okegawa : 28 espèces reliées par 50 interactions GloBI sur 5 types (connectance 7.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
50
Connectance
0.079
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

122 distinct species · 307 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

307 obs · 1 cellules
Obs. / cellule
≥ 307
307–306
307–306
307–306
< 307

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

Climate

Mean T°

15,2°C

Annual rain

1 336mm

Warmest m°

30,2°C

Coldest m°

-1,8°C

Elevation: 17 m on average (min 11 m, max 22 m)

Bioclimatic detailsExpert
Annual mean temp.
15,2°C
Annual rain
1 336mm
Warmest month
30,2°C
Coldest month
-1,8°C
Mean alt.
17m
Min
11m
Max
22m
Std. dev.
3m
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

6,0

Org. C

38,1g/kg

Clay

23,2%

Sand

42,4%

Silt

34,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
53,3g/kg
Clay
22,6%
Sand
42,4%
Silt
35,0%
5–15 cm
pH H₂O
6,0
Org. C
35,2g/kg
Clay
22,3%
Sand
42,6%
Silt
35,1%
15–30 cm
pH H₂O
6,0
Org. C
25,8g/kg
Clay
24,7%
Sand
42,3%
Silt
33,1%

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

Land cover

Forest5.7%
Crops8.1%
Built-up17.6%
Bare soil0.6%
Other (grassland, water…)68.2%

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

Hydrology3 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

8,9km

Basins crossed

3

Max stream order

5

Max drainage

2 816km²

Discharge in basins

10,1m³/s

Mean precip.

1 382mm/an

Mean T°

14,8°C

Moisture idx

0,25

Max snow

1%

Mean runoff

598mm/an

Mean elev. (basins)

17m

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

Human pressure

Pop. density

23hab/km²

Night light

11,0nW

Built-up

1 755,1%

Pesticides

91,5kg/km²

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

Protected areas1

IUCN IV · 1

Kitamoto

IUCN IV

Prefectural Wildlife Protection Area · 2016

6 km²

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