Ontologia

Town · JPN

Seirō

Japan

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

Species observed

234

Observations

711

Area

42,5km²

Ecological tissue

Sample of 33 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 Seirō : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 50 interactions GloBI sur 4 types (connectance 7.5%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
50
Connectance
0.075
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

234 distinct species · 711 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

711 obs · 2 cellules
Obs. / cellule
≥ 570
570–569
570–569
570–569
< 570

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

Climate

Mean T°

13,7°C

Annual rain

2 425mm

Warmest m°

29,0°C

Coldest m°

-1,0°C

Elevation: 6 m on average (min -15 m, max 12 m)

Bioclimatic detailsExpert
Annual mean temp.
13,7°C
Annual rain
2 425mm
Warmest month
29,0°C
Coldest month
-1,0°C
Mean alt.
6m
Min
-15m
Max
12m
Std. dev.
3m
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

5,4

Org. C

67,3g/kg

Clay

36,2%

Sand

21,2%

Silt

42,6%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
88,2g/kg
Clay
33,8%
Sand
22,2%
Silt
44,0%
5–15 cm
pH H₂O
5,4
Org. C
66,2g/kg
Clay
36,6%
Sand
21,1%
Silt
42,3%
15–30 cm
pH H₂O
5,4
Org. C
47,4g/kg
Clay
38,2%
Sand
20,3%
Silt
41,5%

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

Land cover

Forest10.1%
Crops17.4%
Built-up7.8%
Bare soil1.7%
Other (grassland, water…)63.0%

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

Hydrology4 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

9,4km

Basins crossed

4

Max stream order

4

Max drainage

500km²

Discharge in basins

1,2m³/s

Mean precip.

1 907mm/an

Mean T°

12,0°C

Moisture idx

0,52

Max snow

28%

Mean runoff

1 123mm/an

Mean elev. (basins)

191m

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

Human pressure

Pop. density

2hab/km²

Night light

5,9nW

Built-up

776,1%

Pesticides

92,6kg/km²

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

Protected areas5

IUCN IV · 3IUCN VI · 1IUCN V · 1🌊 Marine · 1

Fujitsukahama

IUCN IV

Prefectural Wildlife Protection Area · 2021

2 km²

Kiyogata

IUCN IV

Prefectural Wildlife Protection Area · 2015

0 km²

Bentengata

IUCN IV

Prefectural Wildlife Protection Area · 2015

0 km²

Sannoumori

IUCN V

Green Space Environment Conservation Area(Niigata) · 1986

0 km²

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