Ontologia

City · JPN

Niihama

Japan

CfaTemperate, no dry season, hot summer(72 %)

Species observed

754

Observations

1 973

Area

242,4km²

Ecological tissue

Sample of 20 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 Niihama : 16 espèces reliées par 19 interactions GloBI sur 3 types (connectance 10.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
19
Connectance
0.100
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

754 distinct species · 1 973 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 973 obs · 7 cellules
Obs. / cellule
≥ 602
602–601
272–601
231–271
< 231

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

Climate

Mean T°

13,5°C

Annual rain

2 338mm

Warmest m°

26,8°C

Coldest m°

-1,0°C

Elevation: 596 m on average (min -18 m, max 1 552 m)

Bioclimatic detailsExpert
Annual mean temp.
13,5°C
Annual rain
2 338mm
Warmest month
26,8°C
Coldest month
-1,0°C
Mean alt.
596m
Min
-18m
Max
1 552m
Std. dev.
479m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(72 %)Temperate

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

55,9g/kg

Clay

31,0%

Sand

35,8%

Silt

33,2%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
86,8g/kg
Clay
30,8%
Sand
36,0%
Silt
33,1%
5–15 cm
pH H₂O
5,2
Org. C
53,1g/kg
Clay
30,8%
Sand
35,7%
Silt
33,4%
15–30 cm
pH H₂O
5,2
Org. C
27,7g/kg
Clay
31,2%
Sand
35,7%
Silt
33,0%

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

Land cover

Forest74.4%
Crops1.3%
Built-up5.3%
Bare soil0.1%
Other (grassland, water…)18.8%

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

Hydrology4 basins · 0 lakes · 15 rivers

Hydrology metrics for this exact territory

Stream length here

62,2km

Basins crossed

4

Max stream order

3

Max drainage

1 159km²

Discharge in basins

4,3m³/s

Mean precip.

1 837mm/an

Mean T°

13,4°C

Moisture idx

0,46

Max snow

21%

Mean runoff

1 177mm/an

Mean elev. (basins)

448m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

3,0nW

Built-up

529,3%

Pesticides

100,1kg/km²

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

Protected areas9

IUCN IV · 4IUCN V · 2IUCN VI · 1IUCN Ib · 1IUCN Not Applicable · 1🌊 Marine · 2📍 Point sites · 1

Akaishi sankei

IUCN V

Prefectural Nature Conservation Area · 1976

18 km²

Mishimareinan

IUCN IV

Prefectural Wildlife Protection Area · 2014

11 km²

Ashimanagano

IUCN IV

Prefectural Wildlife Protection Area · 2014

8 km²

Complete list

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