Ontologia

City · JPN

Niigata

Japan

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

Species observed

1 243

Observations

33 439

Area

778km²

Ecological tissue

Sample of 24 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 Niigata : 18 espèces reliées par 40 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
40
Connectance
0.123
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

1 243 distinct species · 33 439 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

33 439 obs · 25 cellules
Obs. / cellule
≥ 15 245
3 952–15 244
316–3 951
119–315
< 119

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

Climate

Mean T°

14,0°C

Annual rain

2 071mm

Warmest m°

28,8°C

Coldest m°

-0,5°C

Elevation: 13 m on average (min -11 m, max 407 m)

Bioclimatic detailsExpert
Annual mean temp.
14,0°C
Annual rain
2 071mm
Warmest month
28,8°C
Coldest month
-0,5°C
Mean alt.
13m
Min
-11m
Max
407m
Std. dev.
41m
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

5,3

Org. C

55,8g/kg

Clay

34,8%

Sand

23,5%

Silt

41,7%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
82,1g/kg
Clay
33,5%
Sand
24,1%
Silt
42,4%
5–15 cm
pH H₂O
5,3
Org. C
47,7g/kg
Clay
34,8%
Sand
23,1%
Silt
42,1%
15–30 cm
pH H₂O
5,4
Org. C
37,6g/kg
Clay
36,1%
Sand
23,1%
Silt
40,7%

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

Land cover

Forest16.3%
Crops26.4%
Built-up7.9%
Bare soil2.2%
Other (grassland, water…)47.2%

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

Hydrology5 basins · 2 lakes · 40 rivers

Hydrology metrics for this exact territory

Stream length here

257,0km

Lake surface here

1,57km²

Basins crossed

5

Max stream order

6

Max drainage

7 802km²

Discharge in basins

274,2m³/s

Mean precip.

1 964mm/an

Mean T°

12,3°C

Moisture idx

0,53

Max snow

26%

Mean runoff

1 344mm/an

Mean elev. (basins)

146m

Watersheds crossing here

Lakes (2, top by area)

Rivers / streams (40, ord ≥ 4)

28 more river segments

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

Human pressure

Pop. density

7hab/km²

Night light

4,1nW

Built-up

789,4%

Pesticides

94,2kg/km²

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

Protected areas12

IUCN IV · 6IUCN V · 3IUCN VI · 1IUCN II · 1IUCN Not Applicable · 1🌊 Marine · 4

Niigata kakuda

IUCN IV

Prefectural Wildlife Protection Area · 2021

47 km²

Yahiko

IUCN IV

Prefectural Wildlife Protection Area · 2012

29 km²

Akiha

IUCN IV

Prefectural Wildlife Protection Area · 2017

5 km²

Fukushimagata

IUCN IV

National Wildlife Protection Area · 2014

3 km²

Complete list

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