Ontologia

City · JPN

Hitachiōmiya

Japan

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

Species observed

1 258

Observations

3 144

Area

332,8km²

Ecological tissue

Sample of 19 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 Hitachiōmiya : 16 espèces reliées par 19 interactions GloBI sur 4 types (connectance 11.1%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
19
Connectance
0.111
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

1 258 distinct species · 3 144 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 144 obs · 11 cellules
Obs. / cellule
≥ 2 004
402–2 003
108–401
33–107
< 33

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

Climate

Mean T°

13,8°C

Annual rain

1 335mm

Warmest m°

28,2°C

Coldest m°

-1,3°C

Elevation: 156 m on average (min 16 m, max 395 m)

Bioclimatic detailsExpert
Annual mean temp.
13,8°C
Annual rain
1 335mm
Warmest month
28,2°C
Coldest month
-1,3°C
Mean alt.
156m
Min
16m
Max
395m
Std. dev.
93m
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

5,4

Org. C

41,5g/kg

Clay

23,5%

Sand

41,5%

Silt

35,0%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
61,0g/kg
Clay
23,4%
Sand
41,3%
Silt
35,4%
5–15 cm
pH H₂O
5,4
Org. C
38,5g/kg
Clay
23,2%
Sand
41,6%
Silt
35,1%
15–30 cm
pH H₂O
5,4
Org. C
24,9g/kg
Clay
24,0%
Sand
41,6%
Silt
34,4%

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

Land cover

Forest67.1%
Crops7.7%
Built-up2.0%
Bare soil0.5%
Other (grassland, water…)22.7%

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

Hydrology3 basins · 1 lakes · 19 rivers

Hydrology metrics for this exact territory

Stream length here

109,9km

Lake surface here

0,19km²

Basins crossed

3

Max stream order

5

Max drainage

2 828km²

Discharge in basins

18,8m³/s

Mean precip.

1 447mm/an

Mean T°

12,6°C

Moisture idx

0,33

Max snow

12%

Mean runoff

694mm/an

Mean elev. (basins)

208m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (19, ord ≥ 4)

7 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,6nW

Built-up

205,5%

Pesticides

95,9kg/km²

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

Protected areas11

IUCN IV · 6IUCN V · 5

Gozen yama

IUCN V

Prefectural Natural Park · 1954

75 km²

Gozenyama

IUCN IV

Prefectural Wildlife Protection Area · 2020

18 km²

Naka

IUCN IV

Prefectural Wildlife Protection Area · 2023

12 km²

Omiya

IUCN IV

Prefectural Wildlife Protection Area · 2022

8 km²

Ryujin kyo

IUCN IV

Prefectural Wildlife Protection Area · 2018

3 km²

Complete list

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