Ontologia

Town · JPN

Ōkura

Japan

DfaCold, no dry season, hot summer(44 %)

Species observed

88

Observations

185

Area

213,8km²

Ecological tissue

Sample of 20 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 Ōkura : 16 espèces reliées par 18 interactions GloBI sur 4 types (connectance 9.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
18
Connectance
0.095
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

88 distinct species · 185 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

185 obs · 5 cellules
Obs. / cellule
≥ 64
64–63
56–63
27–55
< 27

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

Climate

Mean T°

9,2°C

Annual rain

3 384mm

Warmest m°

25,4°C

Coldest m°

-7,5°C

Elevation: 570 m on average (min 52 m, max 1 326 m)

Bioclimatic detailsExpert
Annual mean temp.
9,2°C
Annual rain
3 384mm
Warmest month
25,4°C
Coldest month
-7,5°C
Mean alt.
570m
Min
52m
Max
1 326m
Std. dev.
321m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(44 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,0

Org. C

73,0g/kg

Clay

24,6%

Sand

40,0%

Silt

35,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
104,2g/kg
Clay
24,7%
Sand
39,0%
Silt
36,3%
5–15 cm
pH H₂O
5,0
Org. C
72,0g/kg
Clay
25,3%
Sand
39,4%
Silt
35,3%
15–30 cm
pH H₂O
5,0
Org. C
43,0g/kg
Clay
23,7%
Sand
41,6%
Silt
34,7%

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

Land cover

Forest72.3%
Crops4.4%
Built-up0.2%
Bare soil1.5%
Other (grassland, water…)21.6%

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

Hydrology5 basins · 0 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

83,2km

Basins crossed

5

Max stream order

5

Max drainage

6 880km²

Discharge in basins

106,9m³/s

Mean precip.

1 795mm/an

Mean T°

9,1°C

Moisture idx

0,52

Max snow

40%

Mean runoff

1 183mm/an

Mean elev. (basins)

492m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

19,1%

Pesticides

88,4kg/km²

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

Protected areas7

IUCN IV · 4IUCN V · 2IUCN II · 1

Gassan

IUCN IV

Biocenosis Protected Forest · 2018

68 km²

Okura

IUCN IV

Prefectural Wildlife Protection Area · 2015

20 km²

Tachiyazawa

IUCN IV

Prefectural Wildlife Protection Area · 2017

18 km²

Hayama

IUCN IV

Prefectural Wildlife Protection Area · 2017

11 km²

Complete list

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