Ontologia

Town · JPN

Hirata

Japan

DfaCold, no dry season, hot summer(64 %)

Species observed

149

Observations

235

Area

97,7km²

Ecological tissue

Sample of 44 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 Hirata : 39 espèces reliées par 43 interactions GloBI sur 6 types (connectance 4.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
43
Connectance
0.045
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

149 distinct species · 235 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

235 obs · 3 cellules
Obs. / cellule
≥ 164
164–163
164–163
64–163
< 64

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

Climate

Mean T°

11,0°C

Annual rain

1 773mm

Warmest m°

26,7°C

Coldest m°

-5,1°C

Elevation: 534 m on average (min 421 m, max 696 m)

Bioclimatic detailsExpert
Annual mean temp.
11,0°C
Annual rain
1 773mm
Warmest month
26,7°C
Coldest month
-5,1°C
Mean alt.
534m
Min
421m
Max
696m
Std. dev.
56m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(64 %)Cold

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

46,0g/kg

Clay

25,3%

Sand

38,5%

Silt

36,2%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
67,2g/kg
Clay
25,6%
Sand
38,5%
Silt
35,9%
5–15 cm
pH H₂O
5,5
Org. C
43,1g/kg
Clay
26,2%
Sand
37,9%
Silt
35,9%
15–30 cm
pH H₂O
5,5
Org. C
27,9g/kg
Clay
24,1%
Sand
39,1%
Silt
36,8%

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

Land cover

Forest74.7%
Crops9.3%
Built-up1.3%
Bare soil0.2%
Other (grassland, water…)14.5%

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

Hydrology4 basins · 1 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

30,2km

Lake surface here

0,13km²

Basins crossed

4

Max stream order

2

Max drainage

683km²

Discharge in basins

2,3m³/s

Mean precip.

1 421mm/an

Mean T°

10,9°C

Moisture idx

0,36

Max snow

16%

Mean runoff

743mm/an

Mean elev. (basins)

436m

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

128,5%

Pesticides

98,3kg/km²

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

Protected areas4

IUCN IV · 4

Yomogidayama

IUCN IV

Prefectural Wildlife Protection Area · 2013

18 km²

Hirata

IUCN IV

Prefectural Wildlife Protection Area · 2018

7 km²

Bobata

IUCN IV

Prefectural Wildlife Protection Area · 2013

7 km²

Shibayama

IUCN IV

Prefectural Wildlife Protection Area · 2013

3 km²

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