Ontologia

City · JPN

Itako

Japan

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

Species observed

319

Observations

764

Area

56,2km²

Ecological tissue

Sample of 27 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 Itako : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 5 types (connectance 14.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
56
Connectance
0.148
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

319 distinct species · 764 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

764 obs · 2 cellules
Obs. / cellule
≥ 550
550–549
550–549
550–549
< 550

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

Climate

Mean T°

15,5°C

Annual rain

1 474mm

Warmest m°

27,5°C

Coldest m°

3,1°C

Elevation: 10 m on average (min -14 m, max 32 m)

Bioclimatic detailsExpert
Annual mean temp.
15,5°C
Annual rain
1 474mm
Warmest month
27,5°C
Coldest month
3,1°C
Mean alt.
10m
Min
-14m
Max
32m
Std. dev.
11m
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

5,8

Org. C

44,3g/kg

Clay

28,5%

Sand

35,9%

Silt

35,6%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
61,1g/kg
Clay
27,6%
Sand
36,6%
Silt
35,9%
5–15 cm
pH H₂O
5,8
Org. C
42,2g/kg
Clay
27,7%
Sand
36,4%
Silt
35,9%
15–30 cm
pH H₂O
5,8
Org. C
29,6g/kg
Clay
30,2%
Sand
34,7%
Silt
35,1%

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

Land cover

Forest20.9%
Crops22.1%
Built-up5.9%
Bare soil1.5%
Other (grassland, water…)49.6%

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

Hydrology1 basins · 2 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

15,2km

Lake surface here

2,03km²

Basins crossed

1

Max stream order

4

Max drainage

1 940km²

Discharge in basins

1,1m³/s

Mean precip.

1 367mm/an

Mean T°

13,9°C

Moisture idx

0,27

Max snow

2%

Mean runoff

626mm/an

Mean elev. (basins)

41m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

4hab/km²

Night light

3,1nW

Built-up

587,5%

Pesticides

90,3kg/km²

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

Protected areas8

IUCN V · 5IUCN IV · 3🌊 Marine · 3

Aso

IUCN IV

Prefectural Wildlife Protection Area · 2014

24 km²

Mizuhara

IUCN IV

Prefectural Wildlife Protection Area · 2021

3 km²

Ou

IUCN V

Prefectural Nature Conservation Area · 1977

0 km²

Shimazaki jouseki

IUCN V

Green Space Environment Conservation Area(Ibaraki) · 1996

0 km²

Complete list

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