Ontologia

City · JPN

Otawara

Japan

CfaTemperate, no dry season, hot summer(98 %)

Species observed

526

Observations

2 619

Area

355,6km²

Ecological tissue

Sample of 36 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 Otawara : 29 espèces reliées par 52 interactions GloBI sur 2 types (connectance 7.8%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
52
Connectance
0.078
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

526 distinct species · 2 619 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 619 obs · 12 cellules
Obs. / cellule
≥ 761
418–760
262–417
201–261
< 201

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

Climate

Mean T°

12,9°C

Annual rain

1 514mm

Warmest m°

28,1°C

Coldest m°

-3,1°C

Elevation: 273 m on average (min 123 m, max 721 m)

Bioclimatic detailsExpert
Annual mean temp.
12,9°C
Annual rain
1 514mm
Warmest month
28,1°C
Coldest month
-3,1°C
Mean alt.
273m
Min
123m
Max
721m
Std. dev.
115m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(98 %)Temperate

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

Soil & lithology

pH H₂O

5,6

Org. C

44,7g/kg

Clay

22,5%

Sand

41,0%

Silt

36,5%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
65,2g/kg
Clay
22,9%
Sand
40,4%
Silt
36,7%
5–15 cm
pH H₂O
5,6
Org. C
40,7g/kg
Clay
22,8%
Sand
40,8%
Silt
36,4%
15–30 cm
pH H₂O
5,6
Org. C
28,2g/kg
Clay
21,8%
Sand
41,8%
Silt
36,4%

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

Land cover

Forest51.5%
Crops17.2%
Built-up3.1%
Bare soil1.0%
Other (grassland, water…)27.3%

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

Hydrology6 basins · 0 lakes · 26 rivers

Hydrology metrics for this exact territory

Stream length here

145,1km

Basins crossed

6

Max stream order

4

Max drainage

1 666km²

Discharge in basins

23,7m³/s

Mean precip.

1 507mm/an

Mean T°

11,4°C

Moisture idx

0,36

Max snow

16%

Mean runoff

738mm/an

Mean elev. (basins)

386m

Watersheds crossing here

Rivers / streams (26, ord ≥ 4)

14 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,9nW

Built-up

306,2%

Pesticides

97,2kg/km²

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

Protected areas15

IUCN IV · 10IUCN V · 4IUCN Not Applicable · 1📍 Point sites · 1

Yamizo

IUCN V

Prefectural Natural Park · 1971

75 km²

Yamizo

IUCN IV

Prefectural Wildlife Protection Area · 2022

11 km²

Unganji

IUCN IV

Prefectural Wildlife Protection Area · 2017

3 km²

Kurobane

IUCN IV

Prefectural Wildlife Protection Area · 2020

2 km²

Chikasono

IUCN V

Prefectural Nature Conservation Area · 1973

2 km²

Complete list

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