Ontologia

Town · JPN

Yanai

Japan

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

Species observed

142

Observations

331

Area

143,2km²

Ecological tissue

Sample of 25 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 Yanai : 21 espèces reliées par 30 interactions GloBI sur 4 types (connectance 9.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
30
Connectance
0.092
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

142 distinct species · 331 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

331 obs · 4 cellules
Obs. / cellule
≥ 116
116–115
98–115
98–97
< 98

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

Climate

Mean T°

16,1°C

Annual rain

1 790mm

Warmest m°

27,5°C

Coldest m°

4,1°C

Elevation: 119 m on average (min -53 m, max 335 m)

Bioclimatic detailsExpert
Annual mean temp.
16,1°C
Annual rain
1 790mm
Warmest month
27,5°C
Coldest month
4,1°C
Mean alt.
119m
Min
-53m
Max
335m
Std. dev.
81m
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

34,4g/kg

Clay

30,9%

Sand

32,6%

Silt

36,4%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
55,0g/kg
Clay
28,6%
Sand
34,1%
Silt
37,3%
5–15 cm
pH H₂O
5,3
Org. C
28,3g/kg
Clay
30,3%
Sand
32,8%
Silt
36,9%
15–30 cm
pH H₂O
5,3
Org. C
20,0g/kg
Clay
33,8%
Sand
31,0%
Silt
35,2%

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

Land cover

Forest67.1%
Crops6.5%
Built-up2.6%
Bare soil0.3%
Other (grassland, water…)23.5%

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

Hydrology1 basins · 0 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

23,6km

Basins crossed

1

Max stream order

2

Max drainage

14 401km²

Discharge in basins

0,1m³/s

Mean precip.

1 742mm/an

Mean T°

13,6°C

Moisture idx

0,42

Max snow

11%

Mean runoff

886mm/an

Mean elev. (basins)

273m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

0,7nW

Built-up

258,3%

Pesticides

88,4kg/km²

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

Protected areas9

IUCN IV · 5IUCN V · 3IUCN VI · 1🌊 Marine · 4

Iwaki san

IUCN V

Prefectural Natural Park · 1991

28 km²

Murotsu hanto

IUCN IV

Prefectural Wildlife Protection Area · 1961

8 km²

Nagano

IUCN IV

Prefectural Wildlife Protection Area · 1976

3 km²

Nakakura

IUCN IV

Prefectural Wildlife Protection Area · 2023

3 km²

Complete list

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