Ontologia

City · JPN

Yonezawa

Japan

DfaCold, no dry season, hot summer(55 %)

Species observed

1 291

Observations

3 515

Area

551,1km²

Ecological tissue

Sample of 34 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 Yonezawa : 26 espèces reliées par 53 interactions GloBI sur 4 types (connectance 8.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
53
Connectance
0.089
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

1 291 distinct species · 3 515 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 515 obs · 17 cellules
Obs. / cellule
≥ 1 438
524–1 437
185–523
76–184
< 76

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

Climate

Mean T°

9,1°C

Annual rain

2 026mm

Warmest m°

25,3°C

Coldest m°

-7,8°C

Elevation: 687 m on average (min 218 m, max 1 908 m)

Bioclimatic detailsExpert
Annual mean temp.
9,1°C
Annual rain
2 026mm
Warmest month
25,3°C
Coldest month
-7,8°C
Mean alt.
687m
Min
218m
Max
1 908m
Std. dev.
378m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(55 %)Cold

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

66,9g/kg

Clay

22,1%

Sand

42,3%

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
5,1
Org. C
96,3g/kg
Clay
21,8%
Sand
41,9%
Silt
36,3%
5–15 cm
pH H₂O
5,1
Org. C
64,3g/kg
Clay
22,5%
Sand
42,0%
Silt
35,4%
15–30 cm
pH H₂O
5,2
Org. C
40,2g/kg
Clay
22,0%
Sand
43,0%
Silt
35,0%

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

Land cover

Forest74.5%
Crops5.0%
Built-up1.5%
Bare soil0.4%
Other (grassland, water…)18.6%

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

Hydrology3 basins · 1 lakes · 26 rivers

Hydrology metrics for this exact territory

Stream length here

199,4km

Lake surface here

1,12km²

Basins crossed

3

Max stream order

3

Max drainage

4 486km²

Discharge in basins

15,5m³/s

Mean precip.

1 582mm/an

Mean T°

9,8°C

Moisture idx

0,43

Max snow

33%

Mean runoff

851mm/an

Mean elev. (basins)

504m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (26, ord ≥ 4)

14 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

154,2%

Pesticides

90,5kg/km²

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

Protected areas11

IUCN IV · 5IUCN V · 4IUCN II · 1IUCN Ib · 1

Urabandai

IUCN IV

Prefectural Wildlife Protection Area · 2011

163 km²

Kennan

IUCN V

Prefectural Natural Park · 1961

103 km²

Complete list

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