Ontologia

City · JPN

Hirosaki

Japan

DfaCold, no dry season, hot summer(80 %)

Species observed

1 219

Observations

4 266

Area

567,7km²

Ecological tissue

Sample of 45 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 Hirosaki : 37 espèces reliées par 51 interactions GloBI sur 4 types (connectance 5.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
51
Connectance
0.051
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

1 219 distinct species · 4 266 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 266 obs · 15 cellules
Obs. / cellule
≥ 1 705
573–1 704
307–572
108–306
< 108

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

Climate

Mean T°

9,3°C

Annual rain

2 131mm

Warmest m°

25,6°C

Coldest m°

-7,4°C

Elevation: 257 m on average (min 12 m, max 1 300 m)

Bioclimatic detailsExpert
Annual mean temp.
9,3°C
Annual rain
2 131mm
Warmest month
25,6°C
Coldest month
-7,4°C
Mean alt.
257m
Min
12m
Max
1 300m
Std. dev.
238m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(80 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,0

Org. C

62,2g/kg

Clay

23,4%

Sand

40,2%

Silt

36,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
87,5g/kg
Clay
23,9%
Sand
39,1%
Silt
37,1%
5–15 cm
pH H₂O
5,1
Org. C
59,4g/kg
Clay
23,6%
Sand
40,0%
Silt
36,4%
15–30 cm
pH H₂O
5,1
Org. C
39,8g/kg
Clay
22,7%
Sand
41,5%
Silt
35,8%

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

Land cover

Forest61.9%
Crops12.3%
Built-up2.3%
Bare soil0.4%
Other (grassland, water…)23.1%

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

Hydrology3 basins · 2 lakes · 30 rivers

Hydrology metrics for this exact territory

Stream length here

207,2km

Lake surface here

0,26km²

Basins crossed

3

Max stream order

5

Max drainage

2 437km²

Discharge in basins

17,7m³/s

Mean precip.

1 401mm/an

Mean T°

9,3°C

Moisture idx

0,42

Max snow

34%

Mean runoff

984mm/an

Mean elev. (basins)

258m

Watersheds crossing here

Lakes (2, top by area)

Rivers / streams (30, ord ≥ 4)

18 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

1,1nW

Built-up

232,8%

Pesticides

37,3kg/km²

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

Protected areas16

IUCN IV · 11IUCN V · 5🌊 Marine · 1

Tsugaru

IUCN V

Quasi National Park · 1975

417 km²

Iwaki kogen

IUCN V

Prefectural Natural Park · 1983

26 km²

Iwakisan

IUCN IV

Prefectural Wildlife Protection Area · 2011

17 km²

Shigisawayama

IUCN IV

Prefectural Wildlife Protection Area · 2008

8 km²

Complete list

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