Ontologia

City · JPN

Hachiōji

Japan

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

Species observed

4 051

Observations

47 524

Area

187,6km²

Ecological tissue

Sample of 40 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 Hachiōji : 26 espèces reliées par 64 interactions GloBI sur 5 types (connectance 8.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
64
Connectance
0.082
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

4 051 distinct species · 47 524 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

47 524 obs · 7 cellules
Obs. / cellule
≥ 20 384
20 384–20 383
5 484–20 383
4 563–5 483
< 4 563

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

Climate

Mean T°

14,0°C

Annual rain

1 484mm

Warmest m°

28,1°C

Coldest m°

-2,6°C

Elevation: 232 m on average (min 84 m, max 669 m)

Bioclimatic detailsExpert
Annual mean temp.
14,0°C
Annual rain
1 484mm
Warmest month
28,1°C
Coldest month
-2,6°C
Mean alt.
232m
Min
84m
Max
669m
Std. dev.
129m
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

41,4g/kg

Clay

27,9%

Sand

36,9%

Silt

35,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
63,2g/kg
Clay
27,7%
Sand
36,9%
Silt
35,4%
5–15 cm
pH H₂O
5,5
Org. C
38,7g/kg
Clay
28,0%
Sand
36,7%
Silt
35,3%
15–30 cm
pH H₂O
5,5
Org. C
22,3g/kg
Clay
28,0%
Sand
37,0%
Silt
35,0%

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

Land cover

Forest44.0%
Crops3.0%
Built-up10.8%
Bare soil0.3%
Other (grassland, water…)41.8%

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

Hydrology3 basins · 0 lakes · 15 rivers

Hydrology metrics for this exact territory

Stream length here

63,3km

Basins crossed

3

Max stream order

4

Max drainage

1 660km²

Discharge in basins

4,5m³/s

Mean precip.

1 550mm/an

Mean T°

12,2°C

Moisture idx

0,36

Max snow

10%

Mean runoff

756mm/an

Mean elev. (basins)

510m

Watersheds crossing here

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

Human pressure

Pop. density

24hab/km²

Night light

11,3nW

Built-up

1 081,8%

Pesticides

88,9kg/km²

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

Protected areas19

IUCN V · 12IUCN IV · 5IUCN Not Applicable · 2🌊 Marine · 1

Tamagawa

IUCN IV

Prefectural Wildlife Protection Area · 2006

51 km²

Takao

IUCN IV

Prefectural Wildlife Protection Area · 2022

46 km²

Takao jinba

IUCN V

Prefectural Natural Park · 1950

46 km²

Akigawa kyuryo

IUCN IV

Prefectural Wildlife Protection Area · 2004

23 km²

Tsukui

IUCN IV

Prefectural Wildlife Protection Area · 2021

21 km²

Complete list

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