Ontologia

Village · JPN

Yahiko

Japan

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

Species observed

280

Observations

610

Area

21,6km²

Ecological tissue

Sample of 27 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 Yahiko : 26 espèces reliées par 24 interactions GloBI sur 3 types (connectance 6.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
24
Connectance
0.068
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

280 distinct species · 610 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

610 obs · 1 cellules
Obs. / cellule
≥ 610
610–609
610–609
610–609
< 610

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

Climate

Mean T°

13,9°C

Annual rain

2 204mm

Warmest m°

28,9°C

Coldest m°

-0,2°C

Elevation: 25 m on average (min 6 m, max 407 m)

Bioclimatic detailsExpert
Annual mean temp.
13,9°C
Annual rain
2 204mm
Warmest month
28,9°C
Coldest month
-0,2°C
Mean alt.
25m
Min
6m
Max
407m
Std. dev.
37m
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

5,2

Org. C

57,6g/kg

Clay

31,4%

Sand

26,8%

Silt

41,8%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
86,0g/kg
Clay
30,4%
Sand
27,4%
Silt
42,2%
5–15 cm
pH H₂O
5,2
Org. C
46,3g/kg
Clay
31,4%
Sand
26,3%
Silt
42,3%
15–30 cm
pH H₂O
5,2
Org. C
40,3g/kg
Clay
32,2%
Sand
26,8%
Silt
41,0%

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

Land cover

Forest24.8%
Crops29.3%
Built-up6.7%
Bare soil1.9%
Other (grassland, water…)37.2%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

8,1km

Basins crossed

2

Max stream order

3

Max drainage

10 579km²

Discharge in basins

2,8m³/s

Mean precip.

2 018mm/an

Mean T°

12,3°C

Moisture idx

0,54

Max snow

17%

Mean runoff

1 431mm/an

Mean elev. (basins)

135m

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

Human pressure

Pop. density

4hab/km²

Night light

1,8nW

Built-up

674,3%

Pesticides

100,1kg/km²

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

Protected areas2

IUCN V · 1IUCN IV · 1🌊 Marine · 2

Yahiko

IUCN IV

Prefectural Wildlife Protection Area · 2012

29 km²

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