Ontologia

City · JPN

Yasu

Japan

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

Species observed

258

Observations

1 052

Area

60,4km²

Ecological tissue

Sample of 37 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 Yasu : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 55 interactions GloBI sur 4 types (connectance 7.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
55
Connectance
0.074
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

258 distinct species · 1 052 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 052 obs · 2 cellules
Obs. / cellule
≥ 563
563–562
563–562
563–562
< 563

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

Climate

Mean T°

15,3°C

Annual rain

1 500mm

Warmest m°

30,8°C

Coldest m°

-0,7°C

Elevation: 119 m on average (min 84 m, max 235 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
1 500mm
Warmest month
30,8°C
Coldest month
-0,7°C
Mean alt.
119m
Min
84m
Max
235m
Std. dev.
42m
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

5,3

Org. C

36,2g/kg

Clay

29,5%

Sand

34,0%

Silt

36,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
61,7g/kg
Clay
29,4%
Sand
34,1%
Silt
36,4%
5–15 cm
pH H₂O
5,3
Org. C
27,7g/kg
Clay
29,6%
Sand
34,1%
Silt
36,3%
15–30 cm
pH H₂O
5,3
Org. C
19,1g/kg
Clay
29,4%
Sand
33,8%
Silt
36,8%

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

Land cover

Forest29.2%
Crops16.4%
Built-up7.5%
Bare soil1.3%
Other (grassland, water…)45.6%

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

Hydrology2 basins · 2 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

17,4km

Lake surface here

0,01km²

Basins crossed

2

Max stream order

4

Max drainage

417km²

Discharge in basins

1,8m³/s

Mean precip.

1 707mm/an

Mean T°

14,0°C

Moisture idx

0,40

Max snow

9%

Mean runoff

1 044mm/an

Mean elev. (basins)

204m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

6hab/km²

Night light

4,3nW

Built-up

745,1%

Pesticides

100,4kg/km²

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

Protected areas8

IUCN V · 3IUCN IV · 3IUCN Not Reported · 1IUCN Not Applicable · 1

Biwako

IUCN V

Quasi National Park · 1950

965 km²

Biwako

IUCN IV

Prefectural Wildlife Protection Area · 2021

729 km²

Biwa-ko

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1993

652 km²

Kibogaoka

IUCN IV

Prefectural Wildlife Protection Area · 2019

11 km²

Mikamiyama

IUCN IV

Prefectural Wildlife Protection Area · 2019

2 km²

Complete list

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