Ontologia

City · JPN

Hokuto

Japan

DfbCold, no dry season, warm summer(86 %)

Species observed

323

Observations

2 046

Area

397,4km²

Ecological tissue

Sample of 35 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 Hokuto : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 5 types (connectance 7.6%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
45
Connectance
0.076
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

323 distinct species · 2 046 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 046 obs · 12 cellules
Obs. / cellule
≥ 817
573–816
121–572
23–120
< 23

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

Climate

Mean T°

7,9°C

Annual rain

1 734mm

Warmest m°

22,9°C

Coldest m°

-8,0°C

Elevation: 245 m on average (min -16 m, max 661 m)

Bioclimatic detailsExpert
Annual mean temp.
7,9°C
Annual rain
1 734mm
Warmest month
22,9°C
Coldest month
-8,0°C
Mean alt.
245m
Min
-16m
Max
661m
Std. dev.
176m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(86 %)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

59,4g/kg

Clay

18,8%

Sand

47,2%

Silt

34,0%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
83,6g/kg
Clay
18,9%
Sand
46,2%
Silt
34,9%
5–15 cm
pH H₂O
4,9
Org. C
56,1g/kg
Clay
19,4%
Sand
46,7%
Silt
33,9%
15–30 cm
pH H₂O
5,0
Org. C
38,3g/kg
Clay
18,0%
Sand
48,9%
Silt
33,0%

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

Land cover

Forest69.5%
Crops4.0%
Built-up1.6%
Bare soil0.6%
Other (grassland, water…)24.3%

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

Hydrology2 basins · 1 lakes · 30 rivers

Hydrology metrics for this exact territory

Stream length here

134,5km

Lake surface here

0,41km²

Basins crossed

2

Max stream order

3

Max drainage

6 362km²

Discharge in basins

0,1m³/s

Mean precip.

1 241mm/an

Mean T°

7,2°C

Moisture idx

0,43

Max snow

32%

Mean runoff

878mm/an

Mean elev. (basins)

227m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (30, ord ≥ 4)

18 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

1,1nW

Built-up

162,0%

Pesticides

90,6kg/km²

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

Protected areas12

IUCN V · 6IUCN IV · 4IUCN VI · 2🌊 Marine · 2

Kamiiso gun

IUCN VI

Coastline Marine Resource Development Area, designated sea area · 1976

171 km²

Onuma

IUCN IV

Prefectural Wildlife Protection Area · 2022

169 km²

Hekirichi

IUCN IV

Prefectural Wildlife Protection Area · 2021

8 km²

Kamiiso

IUCN IV

Prefectural Wildlife Protection Area · 2015

5 km²

Hekirichi

IUCN V

Natural Landscape Protection Area(Hokkaido) · 1973

4 km²

Complete list

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