Ontologia

Town · JPN

Bifuka

Japan

DfbCold, no dry season, warm summer(100 %)

Species observed

154

Observations

605

Area

654,1km²

Ecological tissue

Sample of 44 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 Bifuka : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 57 interactions GloBI sur 5 types (connectance 5.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
57
Connectance
0.058
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

154 distinct species · 605 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

605 obs · 15 cellules
Obs. / cellule
≥ 326
95–325
22–94
10–21
< 10

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

Climate

Mean T°

4,8°C

Annual rain

1 772mm

Warmest m°

22,7°C

Coldest m°

-13,9°C

Elevation: 373 m on average (min 64 m, max 986 m)

Bioclimatic detailsExpert
Annual mean temp.
4,8°C
Annual rain
1 772mm
Warmest month
22,7°C
Coldest month
-13,9°C
Mean alt.
373m
Min
64m
Max
986m
Std. dev.
211m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)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

79,0g/kg

Clay

24,2%

Sand

42,0%

Silt

33,8%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
99,1g/kg
Clay
24,1%
Sand
41,2%
Silt
34,7%
5–15 cm
pH H₂O
5,0
Org. C
81,4g/kg
Clay
23,9%
Sand
42,0%
Silt
34,1%
15–30 cm
pH H₂O
5,1
Org. C
56,5g/kg
Clay
24,7%
Sand
42,7%
Silt
32,6%

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

Land cover

Forest76.3%
Crops4.8%
Built-up0.2%
Bare soil0.0%
Other (grassland, water…)18.8%

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

Hydrology3 basins · 1 lakes · 36 rivers

Hydrology metrics for this exact territory

Stream length here

215,2km

Lake surface here

0,01km²

Basins crossed

3

Max stream order

5

Max drainage

4 939km²

Discharge in basins

47,4m³/s

Mean precip.

1 253mm/an

Mean T°

4,7°C

Moisture idx

0,49

Max snow

48%

Mean runoff

844mm/an

Mean elev. (basins)

310m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (36, ord ≥ 4)

24 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

16,2%

Pesticides

68,4kg/km²

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

Protected areas5

IUCN IV · 3IUCN Not Applicable · 1IUCN V · 1

Hakodake

IUCN IV

Prefectural Wildlife Protection Area · 2016

35 km²

Matsuyama

IUCN IV

Prefectural Wildlife Protection Area · 2008

8 km²

Piyashiri

IUCN IV

Prefectural Wildlife Protection Area · 2023

7 km²

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