Ontologia

Town · JPN

Higashiagatsuma

Japan

DfaCold, no dry season, hot summer(59 %)

Species observed

1 356

Observations

4 042

Area

262,8km²

Ecological tissue

Sample of 41 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 Higashiagatsuma : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 57 interactions GloBI sur 5 types (connectance 6.0%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
57
Connectance
0.060
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 356 distinct species · 4 042 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 042 obs · 10 cellules
Obs. / cellule
≥ 946
946–945
553–945
341–552
< 341

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

Climate

Mean T°

10,4°C

Annual rain

1 411mm

Warmest m°

25,7°C

Coldest m°

-7,0°C

Elevation: 723 m on average (min 275 m, max 1 409 m)

Bioclimatic detailsExpert
Annual mean temp.
10,4°C
Annual rain
1 411mm
Warmest month
25,7°C
Coldest month
-7,0°C
Mean alt.
723m
Min
275m
Max
1 409m
Std. dev.
225m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(59 %)Cold

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

54,9g/kg

Clay

27,8%

Sand

39,2%

Silt

33,0%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
87,2g/kg
Clay
27,2%
Sand
39,5%
Silt
33,3%
5–15 cm
pH H₂O
5,2
Org. C
49,2g/kg
Clay
27,1%
Sand
39,4%
Silt
33,5%
15–30 cm
pH H₂O
5,2
Org. C
28,2g/kg
Clay
29,0%
Sand
38,7%
Silt
32,3%

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

Land cover

Forest83.3%
Crops3.3%
Built-up1.0%
Bare soil0.1%
Other (grassland, water…)12.2%

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

Hydrology2 basins · 1 lakes · 16 rivers

Hydrology metrics for this exact territory

Stream length here

68,1km

Lake surface here

0,52km²

Basins crossed

2

Max stream order

4

Max drainage

1 784km²

Discharge in basins

5,0m³/s

Mean precip.

1 510mm/an

Mean T°

8,3°C

Moisture idx

0,39

Max snow

14%

Mean runoff

810mm/an

Mean elev. (basins)

1 012m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

101,0%

Pesticides

85,1kg/km²

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

Protected areas4

IUCN IV · 4

Hanamagariyama

IUCN IV

Prefectural Wildlife Protection Area · 2023

30 km²

Ikaho

IUCN IV

Prefectural Wildlife Protection Area · 2023

16 km²

Harunasan

IUCN IV

Prefectural Wildlife Protection Area · 2014

12 km²

Onogaminokuchi

IUCN IV

Prefectural Wildlife Protection Area · 2008

3 km²

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