Ontologia

Village · JPN

Akaigawa

Japan

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

Species observed

137

Observations

446

Area

279,1km²

Ecological tissue

Sample of 21 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 Akaigawa : 13 espèces reliées par 42 interactions GloBI sur 5 types (connectance 20.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
42
Connectance
0.200
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

137 distinct species · 446 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

446 obs · 7 cellules
Obs. / cellule
≥ 162
162–161
87–161
27–86
< 27

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

Climate

Mean T°

5,2°C

Annual rain

2 326mm

Warmest m°

22,1°C

Coldest m°

-12,1°C

Elevation: 562 m on average (min 153 m, max 1 229 m)

Bioclimatic detailsExpert
Annual mean temp.
5,2°C
Annual rain
2 326mm
Warmest month
22,1°C
Coldest month
-12,1°C
Mean alt.
562m
Min
153m
Max
1 229m
Std. dev.
259m
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

4,9

Org. C

75,8g/kg

Clay

21,7%

Sand

43,0%

Silt

35,3%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
100,3g/kg
Clay
21,7%
Sand
41,9%
Silt
36,4%
5–15 cm
pH H₂O
4,9
Org. C
77,7g/kg
Clay
21,2%
Sand
43,0%
Silt
35,8%
15–30 cm
pH H₂O
5,0
Org. C
49,2g/kg
Clay
22,2%
Sand
44,1%
Silt
33,7%

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

Land cover

Forest72.5%
Crops3.8%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)23.5%

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

Hydrology4 basins · 0 lakes · 18 rivers

Hydrology metrics for this exact territory

Stream length here

85,2km

Basins crossed

4

Max stream order

3

Max drainage

14 410km²

Discharge in basins

13,3m³/s

Mean precip.

1 396mm/an

Mean T°

6,0°C

Moisture idx

0,48

Max snow

41%

Mean runoff

1 012mm/an

Mean elev. (basins)

402m

Watersheds crossing here

Rivers / streams (18, ord ≥ 4)

6 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

12,7%

Pesticides

69,0kg/km²

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

Protected areas3

IUCN IV · 2IUCN V · 1

Yoichidake

IUCN V

Natural Landscape Protection Area(Hokkaido) · 1972

30 km²

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