Ontologia

Town · JPN

Biratori

Japan

DfbCold, no dry season, warm summer(98 %)

Species observed

425

Observations

968

Area

763,9km²

Ecological tissue

Sample of 38 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 Biratori : 34 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 5 types (connectance 5.9%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
46
Connectance
0.059
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

425 distinct species · 968 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

968 obs · 20 cellules
Obs. / cellule
≥ 118
113–117
79–112
49–78
< 49

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

Climate

Mean T°

6,0°C

Annual rain

1 900mm

Warmest m°

22,2°C

Coldest m°

-12,6°C

Elevation: 407 m on average (min 18 m, max 1 707 m)

Bioclimatic detailsExpert
Annual mean temp.
6,0°C
Annual rain
1 900mm
Warmest month
22,2°C
Coldest month
-12,6°C
Mean alt.
407m
Min
18m
Max
1 707m
Std. dev.
307m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(98 %)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

65,7g/kg

Clay

22,9%

Sand

46,1%

Silt

31,0%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
89,7g/kg
Clay
23,5%
Sand
45,2%
Silt
31,4%
5–15 cm
pH H₂O
5,3
Org. C
62,3g/kg
Clay
22,6%
Sand
46,0%
Silt
31,4%
15–30 cm
pH H₂O
5,4
Org. C
45,0g/kg
Clay
22,7%
Sand
47,0%
Silt
30,3%

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

Land cover

Forest74.9%
Crops6.9%
Built-up0.3%
Bare soil1.6%
Other (grassland, water…)16.3%

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

Hydrology4 basins · 3 lakes · 46 rivers

Hydrology metrics for this exact territory

Stream length here

254,4km

Lake surface here

3,23km²

Basins crossed

4

Max stream order

4

Max drainage

1 340km²

Discharge in basins

21,1m³/s

Mean precip.

1 389mm/an

Mean T°

4,7°C

Moisture idx

0,49

Max snow

39%

Mean runoff

907mm/an

Mean elev. (basins)

575m

Watersheds crossing here

Lakes (3, top by area)

Rivers / streams (46, ord ≥ 4)

34 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

25,6%

Pesticides

103,3kg/km²

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

Protected areas4

IUCN IV · 2IUCN II · 1IUCN Ib · 1🌊 Marine · 1

Horokaushappu

IUCN IV

Prefectural Wildlife Protection Area · 2022

6 km²

Hiratori

IUCN IV

Prefectural Wildlife Protection Area · 2021

1 km²

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