Ontologia

Town · JPN

Akkeshi

Japan

DfbCold, no dry season, warm summer(99 %)

Species observed

474

Observations

4 468

Area

698,4km²

Ecological tissue

Sample of 34 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 Akkeshi : 23 espèces reliées par 53 interactions GloBI sur 4 types (connectance 8.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
53
Connectance
0.089
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

474 distinct species · 4 468 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 468 obs · 18 cellules
Obs. / cellule
≥ 2 760
360–2 759
149–359
44–148
< 44

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

Climate

Mean T°

6,5°C

Annual rain

1 092mm

Warmest m°

20,7°C

Coldest m°

-10,1°C

Elevation: 47 m on average (min -131 m, max 133 m)

Bioclimatic detailsExpert
Annual mean temp.
6,5°C
Annual rain
1 092mm
Warmest month
20,7°C
Coldest month
-10,1°C
Mean alt.
47m
Min
-131m
Max
133m
Std. dev.
24m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(99 %)Cold

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

59,2g/kg

Clay

19,9%

Sand

40,4%

Silt

39,7%

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
78,0g/kg
Clay
20,2%
Sand
39,8%
Silt
40,0%
5–15 cm
pH H₂O
5,7
Org. C
58,0g/kg
Clay
19,6%
Sand
40,2%
Silt
40,2%
15–30 cm
pH H₂O
5,7
Org. C
41,6g/kg
Clay
19,9%
Sand
41,2%
Silt
38,9%

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

Land cover

Forest65.6%
Crops19.9%
Built-up0.3%
Bare soil0.6%
Other (grassland, water…)13.6%

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

Hydrology2 basins · 0 lakes · 31 rivers

Hydrology metrics for this exact territory

Stream length here

216,0km

Basins crossed

2

Max stream order

4

Max drainage

6 940km²

Discharge in basins

0,1m³/s

Mean precip.

1 080mm/an

Mean T°

5,0°C

Moisture idx

0,43

Max snow

35%

Mean runoff

763mm/an

Mean elev. (basins)

162m

Watersheds crossing here

Rivers / streams (31, ord ≥ 4)

19 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

25,7%

Pesticides

87,7kg/km²

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

Protected areas14

IUCN IV · 8IUCN VI · 2IUCN V · 2IUCN Not Reported · 2🌊 Marine · 7

Kushiro tobu

IUCN VI

Coastline Marine Resource Development Area, designated sea area · 1976

1 134 km²

Kiritappu-shitsugen

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1993

25 km²

Complete list

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