Ontologia

City · JPN

Saijō

Japan

CfaTemperate, no dry season, hot summer(84 %)

Species observed

1 141

Observations

4 200

Area

503,2km²

Ecological tissue

Sample of 18 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 Saijō : 12 espèces reliées par 31 interactions GloBI sur 2 types (connectance 18.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
31
Connectance
0.181
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

1 141 distinct species · 4 200 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 200 obs · 17 cellules
Obs. / cellule
≥ 932
843–931
207–842
134–206
< 134

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

Climate

Mean T°

14,2°C

Annual rain

1 961mm

Warmest m°

27,6°C

Coldest m°

-0,6°C

Elevation: 503 m on average (min -5 m, max 1 606 m)

Bioclimatic detailsExpert
Annual mean temp.
14,2°C
Annual rain
1 961mm
Warmest month
27,6°C
Coldest month
-0,6°C
Mean alt.
503m
Min
-5m
Max
1 606m
Std. dev.
436m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(84 %)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

53,4g/kg

Clay

31,7%

Sand

34,4%

Silt

33,9%

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
79,3g/kg
Clay
31,3%
Sand
34,8%
Silt
34,0%
5–15 cm
pH H₂O
5,3
Org. C
53,0g/kg
Clay
31,8%
Sand
34,3%
Silt
33,9%
15–30 cm
pH H₂O
5,3
Org. C
27,8g/kg
Clay
32,1%
Sand
34,2%
Silt
33,7%

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

Land cover

Forest73.7%
Crops3.8%
Built-up3.2%
Bare soil0.2%
Other (grassland, water…)19.1%

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

Hydrology8 basins · 1 lakes · 36 rivers

Hydrology metrics for this exact territory

Stream length here

160,3km

Lake surface here

1,23km²

Basins crossed

8

Max stream order

3

Max drainage

1 564km²

Discharge in basins

14,8m³/s

Mean precip.

1 856mm/an

Mean T°

13,0°C

Moisture idx

0,47

Max snow

19%

Mean runoff

1 006mm/an

Mean elev. (basins)

515m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (36, ord ≥ 4)

24 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

0,9nW

Built-up

319,6%

Pesticides

87,4kg/km²

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

Protected areas14

IUCN IV · 6IUCN V · 3IUCN Ib · 2IUCN Not Applicable · 2IUCN VI · 1🌊 Marine · 3

Ishizuchi

IUCN V

Quasi National Park · 1955

109 km²

Complete list

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