Ontologia

City · JPN

Ōshū

Japan

DfaCold, no dry season, hot summer(75 %)

Species observed

1 099

Observations

16 416

Area

1 014,7km²

Ecological tissue

Sample of 21 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 Ōshū : 15 espèces reliées par 27 interactions GloBI sur 3 types (connectance 10.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
27
Connectance
0.107
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

1 099 distinct species · 16 416 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 416 obs · 30 cellules
Obs. / cellule
≥ 12 872
470–12 871
159–469
82–158
< 82

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

Climate

Mean T°

10,0°C

Annual rain

2 128mm

Warmest m°

25,9°C

Coldest m°

-8,5°C

Elevation: 311 m on average (min 21 m, max 1 387 m)

Bioclimatic detailsExpert
Annual mean temp.
10,0°C
Annual rain
2 128mm
Warmest month
25,9°C
Coldest month
-8,5°C
Mean alt.
311m
Min
21m
Max
1 387m
Std. dev.
272m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(75 %)Cold

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

61,3g/kg

Clay

25,4%

Sand

39,8%

Silt

34,8%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
87,8g/kg
Clay
25,0%
Sand
39,4%
Silt
35,6%
5–15 cm
pH H₂O
5,3
Org. C
56,2g/kg
Clay
25,6%
Sand
39,7%
Silt
34,7%
15–30 cm
pH H₂O
5,3
Org. C
39,8g/kg
Clay
25,7%
Sand
40,1%
Silt
34,2%

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

Land cover

Forest63.9%
Crops12.3%
Built-up1.7%
Bare soil0.6%
Other (grassland, water…)21.4%

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

Hydrology11 basins · 2 lakes · 37 rivers

Hydrology metrics for this exact territory

Stream length here

341,7km

Lake surface here

1,39km²

Basins crossed

11

Max stream order

5

Max drainage

6 763km²

Discharge in basins

220,0m³/s

Mean precip.

1 380mm/an

Mean T°

9,4°C

Moisture idx

0,38

Max snow

35%

Mean runoff

956mm/an

Mean elev. (basins)

274m

Watersheds crossing here

2 more basins

Lakes (2, top by area)

Rivers / streams (37, ord ≥ 4)

25 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

172,4%

Pesticides

85,6kg/km²

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

Protected areas18

IUCN IV · 13IUCN V · 3IUCN II · 1IUCN Ib · 1

Kurikoma

IUCN II

Quasi National Park · 2022

786 km²

Yakeishidake

IUCN IV

Biocenosis Protected Forest · 2018

88 km²

Yakeishi renpo

IUCN IV

Prefectural Wildlife Protection Area · 2019

71 km²

Tochigamori

IUCN IV

Prefectural Wildlife Protection Area · 2015

58 km²

Complete list

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