Ontologia

Town · JPN

Aikawa

Japan

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

Species observed

1 501

Observations

4 464

Area

34km²

Ecological tissue

Sample of 26 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 Aikawa : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 5 types (connectance 10.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
45
Connectance
0.103
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

1 501 distinct species · 4 464 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 464 obs · 1 cellules
Obs. / cellule
≥ 4 464
4 464–4 463
4 464–4 463
4 464–4 463
< 4 464

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

Climate

Mean T°

14,4°C

Annual rain

1 547mm

Warmest m°

28,1°C

Coldest m°

-1,5°C

Elevation: 184 m on average (min 52 m, max 498 m)

Bioclimatic detailsExpert
Annual mean temp.
14,4°C
Annual rain
1 547mm
Warmest month
28,1°C
Coldest month
-1,5°C
Mean alt.
184m
Min
52m
Max
498m
Std. dev.
115m
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

41,5g/kg

Clay

28,6%

Sand

38,5%

Silt

32,9%

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
61,4g/kg
Clay
28,3%
Sand
38,7%
Silt
33,1%
5–15 cm
pH H₂O
5,3
Org. C
37,7g/kg
Clay
28,1%
Sand
38,7%
Silt
33,2%
15–30 cm
pH H₂O
5,4
Org. C
25,3g/kg
Clay
29,5%
Sand
38,2%
Silt
32,4%

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

Land cover

Forest40.2%
Crops5.9%
Built-up10.3%
Bare soil0.4%
Other (grassland, water…)43.2%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

12,1km

Basins crossed

1

Max stream order

3

Max drainage

1 660km²

Discharge in basins

0,9m³/s

Mean precip.

1 677mm/an

Mean T°

11,2°C

Moisture idx

0,41

Max snow

10%

Mean runoff

873mm/an

Mean elev. (basins)

716m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

10hab/km²

Night light

7,2nW

Built-up

1 026,9%

Pesticides

88,0kg/km²

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

Protected areas11

IUCN V · 7IUCN IV · 4

Bukkasan

IUCN IV

Prefectural Wildlife Protection Area · 2023

10 km²

Kyoga take

IUCN V

Prefectural Nature Conservation Area · 1974

4 km²

Bukka san

IUCN V

Prefectural Nature Conservation Area · 1997

3 km²

Aikawa koen

IUCN IV

Prefectural Wildlife Protection Area · 2022

1 km²

Mukoyama

IUCN V

Prefectural Nature Conservation Area · 1974

1 km²

Complete list

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