Ontologia

City · JPN

Sakai City

Japan

CfaTemperate, no dry season, hot summer(93 %)

Species observed

554

Observations

1 876

Area

204,2km²

Ecological tissue

Sample of 36 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 Sakai City : 28 espèces reliées par 71 interactions GloBI sur 4 types (connectance 10.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
71
Connectance
0.101
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

554 distinct species · 1 876 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 876 obs · 7 cellules
Obs. / cellule
≥ 1 130
1 130–1 129
113–1 129
95–112
< 95

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

Climate

Mean T°

14,3°C

Annual rain

2 716mm

Warmest m°

27,6°C

Coldest m°

0,8°C

Elevation: 150 m on average (min -13 m, max 883 m)

Bioclimatic detailsExpert
Annual mean temp.
14,3°C
Annual rain
2 716mm
Warmest month
27,6°C
Coldest month
0,8°C
Mean alt.
150m
Min
-13m
Max
883m
Std. dev.
225m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(93 %)Temperate

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

Soil & lithology

pH H₂O

5,2

Org. C

93,7g/kg

Clay

28,5%

Sand

28,4%

Silt

43,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
105,3g/kg
Clay
27,7%
Sand
28,2%
Silt
44,1%
5–15 cm
pH H₂O
5,2
Org. C
83,5g/kg
Clay
28,5%
Sand
28,2%
Silt
43,4%
15–30 cm
pH H₂O
5,3
Org. C
92,4g/kg
Clay
29,2%
Sand
28,7%
Silt
42,1%

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

Land cover

Forest39.5%
Crops13.0%
Built-up5.0%
Bare soil1.7%
Other (grassland, water…)40.9%

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

Hydrology6 basins · 1 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

69,5km

Lake surface here

0,29km²

Basins crossed

6

Max stream order

6

Max drainage

2 896km²

Discharge in basins

204,0m³/s

Mean precip.

2 435mm/an

Mean T°

13,1°C

Moisture idx

0,61

Max snow

25%

Mean runoff

1 712mm/an

Mean elev. (basins)

198m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

1,8nW

Built-up

498,7%

Pesticides

94,1kg/km²

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

Protected areas8

IUCN IV · 6IUCN VI · 1IUCN V · 1🌊 Marine · 4

Maruoka

IUCN IV

Prefectural Wildlife Protection Area · 2015

16 km²

Kariyasu

IUCN IV

Prefectural Wildlife Protection Area · 2011

12 km²

Tojinbo

IUCN IV

Prefectural Wildlife Protection Area · 2009

4 km²

Kuzuryugawa

IUCN IV

Prefectural Wildlife Protection Area · 2015

2 km²

Complete list

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