Ontologia

Town · JPN

Aya

Japan

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

Species observed

437

Observations

1 722

Area

101,6km²

Ecological tissue

Sample of 33 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 Aya : 30 espèces reliées par 28 interactions GloBI sur 4 types (connectance 5.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
28
Connectance
0.050
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

437 distinct species · 1 722 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 722 obs · 5 cellules
Obs. / cellule
≥ 1 103
1 103–1 102
280–1 102
201–279
< 201

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

Climate

Mean T°

16,3°C

Annual rain

3 042mm

Warmest m°

28,7°C

Coldest m°

0,9°C

Elevation: 278 m on average (min 42 m, max 981 m)

Bioclimatic detailsExpert
Annual mean temp.
16,3°C
Annual rain
3 042mm
Warmest month
28,7°C
Coldest month
0,9°C
Mean alt.
278m
Min
42m
Max
981m
Std. dev.
197m
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

5,3

Org. C

52,2g/kg

Clay

32,0%

Sand

31,9%

Silt

36,1%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
84,6g/kg
Clay
32,0%
Sand
32,8%
Silt
35,2%
5–15 cm
pH H₂O
5,2
Org. C
45,7g/kg
Clay
32,1%
Sand
31,3%
Silt
36,6%
15–30 cm
pH H₂O
5,3
Org. C
26,2g/kg
Clay
31,9%
Sand
31,6%
Silt
36,6%

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

Land cover

Forest80.5%
Crops4.5%
Built-up1.4%
Bare soil0.5%
Other (grassland, water…)13.1%

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

Hydrology1 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

38,4km

Basins crossed

1

Max stream order

3

Max drainage

2 152km²

Discharge in basins

5,2m³/s

Mean precip.

2 767mm/an

Mean T°

15,3°C

Moisture idx

0,60

Max snow

7%

Mean runoff

1 620mm/an

Mean elev. (basins)

334m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

135,3%

Pesticides

77,3kg/km²

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

Protected areas11

IUCN IV · 5IUCN Not Applicable · 3IUCN V · 2IUCN Ib · 1

Aya

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 2012

100 km²

Kamondake

IUCN IV

Prefectural Wildlife Protection Area · 2009

50 km²

Aya

IUCN Ib

Forest Ecosystem Reserve · 2008

15 km²

Kawanaka

IUCN IV

Prefectural Wildlife Protection Area · 2015

8 km²

Complete list

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