Ontologia

City · JPN

Nikkō

Japan

DfbCold, no dry season, warm summer(61 %)

Species observed

3 455

Observations

37 399

Area

1 445km²

Ecological tissue

Sample of 43 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 Nikkō : 27 espèces reliées par 81 interactions GloBI sur 3 types (connectance 8.2%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
81
Connectance
0.082
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

3 455 distinct species · 37 399 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

37 399 obs · 43 cellules
Obs. / cellule
≥ 10 131
1 926–10 130
662–1 925
384–661
< 384

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

Climate

Mean T°

8,4°C

Annual rain

2 285mm

Warmest m°

23,4°C

Coldest m°

-8,6°C

Elevation: 1 023 m on average (min 201 m, max 2 278 m)

Bioclimatic detailsExpert
Annual mean temp.
8,4°C
Annual rain
2 285mm
Warmest month
23,4°C
Coldest month
-8,6°C
Mean alt.
1 023m
Min
201m
Max
2 278m
Std. dev.
457m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(61 %)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

66,7g/kg

Clay

27,1%

Sand

37,6%

Silt

35,3%

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

Dominant lithology: vaGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
93,5g/kg
Clay
27,3%
Sand
37,1%
Silt
35,6%
5–15 cm
pH H₂O
5,2
Org. C
67,2g/kg
Clay
27,6%
Sand
36,9%
Silt
35,5%
15–30 cm
pH H₂O
5,2
Org. C
39,3g/kg
Clay
26,4%
Sand
38,8%
Silt
34,7%

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

Land cover

Forest80.8%
Crops4.5%
Built-up0.7%
Bare soil0.2%
Other (grassland, water…)13.8%

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

Hydrology13 basins · 8 lakes · 76 rivers

Hydrology metrics for this exact territory

Stream length here

443,0km

Lake surface here

18,49km²

Basins crossed

13

Max stream order

4

Max drainage

2 914km²

Discharge in basins

48,7m³/s

Mean precip.

1 881mm/an

Mean T°

8,7°C

Moisture idx

0,52

Max snow

37%

Mean runoff

710mm/an

Mean elev. (basins)

897m

Watersheds crossing here

4 more basins

Lakes (8, top by area)

Rivers / streams (76, ord ≥ 4)

64 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

72,3%

Pesticides

106,5kg/km²

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

Protected areas46

IUCN IV · 33IUCN V · 9IUCN II · 2IUCN Ib · 1IUCN III · 1

Nikko

IUCN V

National Park · 2008

1 159 km²

Okuaizu

IUCN Ib

Forest Ecosystem Reserve · 2007

862 km²

Oze

IUCN II

National Park · 2007

374 km²

Nikko

IUCN IV

Prefectural Wildlife Protection Area · 2023

218 km²

Complete list

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