Ontologia

City · JPN

Nikaho

Japan

CfaTemperate, no dry season, hot summer(51 %)

Species observed

1 747

Observations

6 310

Area

248,8km²

Ecological tissue

Sample of 23 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 Nikaho : 20 espèces reliées par 20 interactions GloBI sur 4 types (connectance 7.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
20
Connectance
0.079
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

1 747 distinct species · 6 310 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 310 obs · 6 cellules
Obs. / cellule
≥ 2 068
2 068–2 067
2 062–2 067
793–2 061
< 793

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

Climate

Mean T°

10,8°C

Annual rain

3 170mm

Warmest m°

26,3°C

Coldest m°

-4,5°C

Elevation: 316 m on average (min -129 m, max 1 487 m)

Bioclimatic detailsExpert
Annual mean temp.
10,8°C
Annual rain
3 170mm
Warmest month
26,3°C
Coldest month
-4,5°C
Mean alt.
316m
Min
-129m
Max
1 487m
Std. dev.
291m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(51 %)Temperate

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

72,9g/kg

Clay

28,2%

Sand

32,2%

Silt

39,6%

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
100,4g/kg
Clay
28,3%
Sand
32,0%
Silt
39,7%
5–15 cm
pH H₂O
5,0
Org. C
79,7g/kg
Clay
28,5%
Sand
31,7%
Silt
39,8%
15–30 cm
pH H₂O
5,1
Org. C
38,8g/kg
Clay
27,9%
Sand
33,0%
Silt
39,1%

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

Land cover

Forest71.0%
Crops9.9%
Built-up1.2%
Bare soil0.8%
Other (grassland, water…)17.1%

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

Hydrology1 basins · 1 lakes · 18 rivers

Hydrology metrics for this exact territory

Stream length here

104,4km

Lake surface here

0,14km²

Basins crossed

1

Max stream order

3

Max drainage

2 096km²

Discharge in basins

0,2m³/s

Mean precip.

1 843mm/an

Mean T°

10,0°C

Moisture idx

0,54

Max snow

31%

Mean runoff

1 368mm/an

Mean elev. (basins)

293m

Watersheds crossing here

Lakes (1, top by area)

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

1hab/km²

Night light

0,5nW

Built-up

123,4%

Pesticides

102,1kg/km²

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

Protected areas14

IUCN IV · 10IUCN VI · 2IUCN V · 2🌊 Marine · 8

Chokai

IUCN V

Quasi National Park · 1963

328 km²

Chokaisan

IUCN IV

Biocenosis Protected Forest · 2018

71 km²

Hokodate

IUCN IV

Prefectural Wildlife Protection Area · 2017

27 km²

Nikahokonoura

IUCN IV

Prefectural Wildlife Protection Area · 2015

19 km²

Complete list

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