Ontologia

City · JPN

Hiroshima

Japan

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

Species observed

1 413

Observations

10 650

Area

912,1km²

Ecological tissue

Sample of 30 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 Hiroshima : 24 espèces reliées par 40 interactions GloBI sur 3 types (connectance 8.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
40
Connectance
0.086
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

1 413 distinct species · 10 650 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 650 obs · 31 cellules
Obs. / cellule
≥ 5 066
526–5 065
178–525
112–177
< 112

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

Climate

Mean T°

14,8°C

Annual rain

1 818mm

Warmest m°

29,1°C

Coldest m°

-0,7°C

Elevation: 289 m on average (min -19 m, max 955 m)

Bioclimatic detailsExpert
Annual mean temp.
14,8°C
Annual rain
1 818mm
Warmest month
29,1°C
Coldest month
-0,7°C
Mean alt.
289m
Min
-19m
Max
955m
Std. dev.
191m
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

5,1

Org. C

48,5g/kg

Clay

30,9%

Sand

36,6%

Silt

32,6%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
75,8g/kg
Clay
29,9%
Sand
37,3%
Silt
32,8%
5–15 cm
pH H₂O
5,1
Org. C
46,0g/kg
Clay
30,6%
Sand
36,4%
Silt
33,0%
15–30 cm
pH H₂O
5,2
Org. C
23,7g/kg
Clay
32,1%
Sand
36,1%
Silt
31,8%

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

Land cover

Forest70.0%
Crops2.6%
Built-up5.8%
Bare soil0.3%
Other (grassland, water…)21.4%

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

Hydrology2 basins · 3 lakes · 47 rivers

Hydrology metrics for this exact territory

Stream length here

259,4km

Lake surface here

0,50km²

Basins crossed

2

Max stream order

4

Max drainage

14 401km²

Discharge in basins

0,4m³/s

Mean precip.

1 742mm/an

Mean T°

13,6°C

Moisture idx

0,42

Max snow

13%

Mean runoff

886mm/an

Mean elev. (basins)

273m

Watersheds crossing here

Lakes (3, top by area)

Rivers / streams (47, ord ≥ 4)

35 more river segments

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

Human pressure

Pop. density

9hab/km²

Night light

4,0nW

Built-up

576,0%

Pesticides

68,9kg/km²

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

Protected areas29

IUCN IV · 20IUCN V · 7IUCN VI · 1IUCN Not Applicable · 1🌊 Marine · 4

Fukuoji

IUCN IV

Prefectural Wildlife Protection Area · 2013

13 km²

Ushitayama

IUCN IV

Prefectural Wildlife Protection Area · 2011

13 km²

Nabara Kyo

IUCN V

Prefectural Natural Park · 1967

9 km²

Complete list

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