Ontologia

Village · JPN

Ōkuwa

Japan

DfbCold, no dry season, warm summer(54 %)

Species observed

648

Observations

1 581

Area

225,4km²

Ecological tissue

Sample of 24 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 Ōkuwa : 20 espèces reliées par 19 interactions GloBI sur 4 types (connectance 6.9%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
19
Connectance
0.069
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

648 distinct species · 1 581 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 581 obs · 6 cellules
Obs. / cellule
≥ 609
609–608
412–608
216–411
< 216

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

Climate

Mean T°

7,6°C

Annual rain

2 290mm

Warmest m°

23,6°C

Coldest m°

-13,3°C

Elevation: 1 334 m on average (min 578 m, max 2 648 m)

Bioclimatic detailsExpert
Annual mean temp.
7,6°C
Annual rain
2 290mm
Warmest month
23,6°C
Coldest month
-13,3°C
Mean alt.
1 334m
Min
578m
Max
2 648m
Std. dev.
519m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(54 %)Cold

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

69,5g/kg

Clay

27,0%

Sand

39,1%

Silt

33,8%

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
105,0g/kg
Clay
27,1%
Sand
39,0%
Silt
34,0%
5–15 cm
pH H₂O
5,3
Org. C
68,3g/kg
Clay
27,3%
Sand
38,7%
Silt
33,9%
15–30 cm
pH H₂O
5,3
Org. C
35,1g/kg
Clay
26,6%
Sand
39,7%
Silt
33,6%

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

Land cover

Forest87.3%
Crops1.9%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)10.5%

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

Hydrology2 basins · 1 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

80,9km

Lake surface here

0,18km²

Basins crossed

2

Max stream order

4

Max drainage

3 269km²

Discharge in basins

11,7m³/s

Mean precip.

1 976mm/an

Mean T°

10,1°C

Moisture idx

0,52

Max snow

20%

Mean runoff

1 079mm/an

Mean elev. (basins)

891m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

19,2%

Pesticides

82,8kg/km²

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

Protected areas9

IUCN IV · 5IUCN V · 3IUCN Ib · 1

Chuo alps

IUCN V

Quasi National Park · 2020

352 km²

Kiso

IUCN IV

Biocenosis Protected Forest · 2018

104 km²

Urakiso

IUCN V

Prefectural Natural Park · 2004

103 km²

Komagane kogen

IUCN IV

Prefectural Wildlife Protection Area · 2014

38 km²

Complete list

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