Ontologia

City · JPN

Sasayama

Japan

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

Species observed

1 658

Observations

6 468

Area

376,4km²

Ecological tissue

Sample of 28 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 Sasayama : 18 espèces reliées par 52 interactions GloBI sur 6 types (connectance 11.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
52
Connectance
0.112
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

1 658 distinct species · 6 468 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 468 obs · 12 cellules
Obs. / cellule
≥ 1 087
846–1 086
740–845
594–739
< 594

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

Climate

Mean T°

14,1°C

Annual rain

1 845mm

Warmest m°

29,2°C

Coldest m°

-2,0°C

Elevation: 335 m on average (min 180 m, max 643 m)

Bioclimatic detailsExpert
Annual mean temp.
14,1°C
Annual rain
1 845mm
Warmest month
29,2°C
Coldest month
-2,0°C
Mean alt.
335m
Min
180m
Max
643m
Std. dev.
87m
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

5,1

Org. C

51,0g/kg

Clay

27,5%

Sand

39,1%

Silt

33,3%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
86,4g/kg
Clay
27,5%
Sand
39,9%
Silt
32,6%
5–15 cm
pH H₂O
5,1
Org. C
42,3g/kg
Clay
27,8%
Sand
38,7%
Silt
33,6%
15–30 cm
pH H₂O
5,1
Org. C
24,3g/kg
Clay
27,4%
Sand
38,8%
Silt
33,8%

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

Land cover

Forest75.0%
Crops5.8%
Built-up1.5%
Bare soil0.4%
Other (grassland, water…)17.3%

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

Hydrology4 basins · 0 lakes · 32 rivers

Hydrology metrics for this exact territory

Stream length here

119,1km

Basins crossed

4

Max stream order

3

Max drainage

1 885km²

Discharge in basins

8,0m³/s

Mean precip.

1 570mm/an

Mean T°

14,1°C

Moisture idx

0,35

Max snow

16%

Mean runoff

849mm/an

Mean elev. (basins)

219m

Watersheds crossing here

Rivers / streams (32, ord ≥ 4)

20 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

146,1%

Pesticides

88,8kg/km²

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

Protected areas11

IUCN IV · 7IUCN V · 4

Taki renzan

IUCN V

Prefectural Natural Park · 1995

95 km²

Hokusetsu

IUCN V

Prefectural Natural Park · 2001

25 km²

Mitakesan

IUCN IV

Prefectural Wildlife Protection Area · 2018

11 km²

Yashiro

IUCN IV

Prefectural Wildlife Protection Area · 2022

1 km²

Complete list

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