Ontologia

City · JPN

Omitama

Japan

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

Species observed

351

Observations

654

Area

138km²

Ecological tissue

Sample of 29 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 Omitama : 22 espèces reliées par 53 interactions GloBI sur 4 types (connectance 11.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
53
Connectance
0.114
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

351 distinct species · 654 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

654 obs · 3 cellules
Obs. / cellule
≥ 295
295–294
295–294
191–294
< 191

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

Climate

Mean T°

15,0°C

Annual rain

1 372mm

Warmest m°

28,4°C

Coldest m°

0,6°C

Elevation: 25 m on average (min -4 m, max 33 m)

Bioclimatic detailsExpert
Annual mean temp.
15,0°C
Annual rain
1 372mm
Warmest month
28,4°C
Coldest month
0,6°C
Mean alt.
25m
Min
-4m
Max
33m
Std. dev.
6m
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

42,9g/kg

Clay

23,2%

Sand

43,4%

Silt

33,5%

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
63,3g/kg
Clay
23,1%
Sand
43,2%
Silt
33,8%
5–15 cm
pH H₂O
5,8
Org. C
42,0g/kg
Clay
23,7%
Sand
43,0%
Silt
33,4%
15–30 cm
pH H₂O
5,8
Org. C
23,3g/kg
Clay
22,7%
Sand
43,9%
Silt
33,4%

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

Land cover

Forest21.9%
Crops19.1%
Built-up6.0%
Bare soil1.5%
Other (grassland, water…)51.6%

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

Hydrology2 basins · 1 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

39,4km

Lake surface here

0,18km²

Basins crossed

2

Max stream order

2

Max drainage

1 940km²

Discharge in basins

2,7m³/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 (1, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

2,6nW

Built-up

598,2%

Pesticides

92,6kg/km²

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

Protected areas6

IUCN V · 3IUCN IV · 2IUCN Not Applicable · 1🌊 Marine · 2

Takahamairi

IUCN IV

Prefectural Wildlife Protection Area · 2021

5 km²

Noba

IUCN IV

Prefectural Wildlife Protection Area · 2022

1 km²

Oomiya

IUCN V

Green Space Environment Conservation Area(Ibaraki) · 1979

0 km²

Shimo baba

IUCN V

Green Space Environment Conservation Area(Ibaraki) · 1982

0 km²

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