Ontologia

Town · JPN

Biei

Japan

DfbCold, no dry season, warm summer(80 %)

Species observed

615

Observations

2 450

Area

667,5km²

Ecological tissue

Sample of 41 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 Biei : 30 espèces reliées par 57 interactions GloBI sur 5 types (connectance 6.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
57
Connectance
0.066
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

615 distinct species · 2 450 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 450 obs · 19 cellules
Obs. / cellule
≥ 644
346–643
176–345
67–175
< 67

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

Climate

Mean T°

3,5°C

Annual rain

1 906mm

Warmest m°

21,2°C

Coldest m°

-15,3°C

Elevation: 739 m on average (min 158 m, max 2 013 m)

Bioclimatic detailsExpert
Annual mean temp.
3,5°C
Annual rain
1 906mm
Warmest month
21,2°C
Coldest month
-15,3°C
Mean alt.
739m
Min
158m
Max
2 013m
Std. dev.
484m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(80 %)Cold

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

Soil & lithology

pH H₂O

5,2

Org. C

74,1g/kg

Clay

22,6%

Sand

40,0%

Silt

37,4%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
97,5g/kg
Clay
22,2%
Sand
40,0%
Silt
37,7%
5–15 cm
pH H₂O
5,2
Org. C
75,0g/kg
Clay
22,6%
Sand
39,9%
Silt
37,5%
15–30 cm
pH H₂O
5,3
Org. C
49,9g/kg
Clay
23,1%
Sand
40,0%
Silt
36,9%

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

Land cover

Forest62.2%
Crops11.5%
Built-up0.2%
Bare soil1.4%
Other (grassland, water…)24.8%

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

Hydrology3 basins · 2 lakes · 39 rivers

Hydrology metrics for this exact territory

Stream length here

243,1km

Lake surface here

0,43km²

Basins crossed

3

Max stream order

3

Max drainage

3 727km²

Discharge in basins

20,5m³/s

Mean precip.

1 296mm/an

Mean T°

4,0°C

Moisture idx

0,43

Max snow

46%

Mean runoff

908mm/an

Mean elev. (basins)

574m

Watersheds crossing here

Lakes (2, top by area)

Rivers / streams (39, ord ≥ 4)

27 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

22,6%

Pesticides

95,6kg/km²

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

Protected areas8

IUCN IV · 6IUCN II · 1IUCN Ib · 1

Taisetsuzan

IUCN Ib

Forest Ecosystem Reserve · 2018

962 km²

Daisetsuzan

IUCN IV

National Wildlife Protection Area · 2011

355 km²

Shirogane

IUCN IV

Prefectural Wildlife Protection Area · 2005

15 km²

Rubeshibe

IUCN IV

Prefectural Wildlife Protection Area · 2005

4 km²

Complete list

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