Ontologia

City · JPN

Nantan

Japan

CfaTemperate, no dry season, hot summer(100 %)

Species observed

1 375

Observations

4 338

Area

611,1km²

Ecological tissue

Sample of 36 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 Nantan : 30 espèces reliées par 37 interactions GloBI sur 4 types (connectance 5.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
37
Connectance
0.053
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

1 375 distinct species · 4 338 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 338 obs · 18 cellules
Obs. / cellule
≥ 1 355
785–1 354
177–784
142–176
< 142

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

Climate

Mean T°

13,6°C

Annual rain

2 145mm

Warmest m°

28,5°C

Coldest m°

-1,9°C

Elevation: 399 m on average (min 99 m, max 814 m)

Bioclimatic detailsExpert
Annual mean temp.
13,6°C
Annual rain
2 145mm
Warmest month
28,5°C
Coldest month
-1,9°C
Mean alt.
399m
Min
99m
Max
814m
Std. dev.
153m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)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

62,1g/kg

Clay

29,1%

Sand

36,4%

Silt

34,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
96,2g/kg
Clay
28,8%
Sand
36,6%
Silt
34,7%
5–15 cm
pH H₂O
5,0
Org. C
58,6g/kg
Clay
29,4%
Sand
36,0%
Silt
34,6%
15–30 cm
pH H₂O
5,0
Org. C
31,6g/kg
Clay
29,1%
Sand
36,5%
Silt
34,4%

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

Land cover

Forest87.8%
Crops2.5%
Built-up0.7%
Bare soil0.2%
Other (grassland, water…)8.9%

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

Hydrology6 basins · 1 lakes · 43 rivers

Hydrology metrics for this exact territory

Stream length here

214,6km

Lake surface here

0,16km²

Basins crossed

6

Max stream order

4

Max drainage

2 541km²

Discharge in basins

18,5m³/s

Mean precip.

1 791mm/an

Mean T°

13,5°C

Moisture idx

0,45

Max snow

17%

Mean runoff

995mm/an

Mean elev. (basins)

306m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (43, ord ≥ 4)

31 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

67,3%

Pesticides

72,9kg/km²

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

Protected areas10

IUCN IV · 6IUCN V · 4

Hokusetsu

IUCN V

Prefectural Natural Park · 2001

25 km²

Ashiu

IUCN IV

Prefectural Wildlife Protection Area · 2018

17 km²

Hiyoshi dam

IUCN IV

Prefectural Wildlife Protection Area · 2018

4 km²

Complete list

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