Ontologia

City · JPN

Otaru

Japan

DfbCold, no dry season, warm summer(100 %)

Species observed

1 424

Observations

11 429

Area

249,7km²

Ecological tissue

Sample of 32 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 Otaru : 27 espèces reliées par 32 interactions GloBI sur 3 types (connectance 6.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
32
Connectance
0.061
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

1 424 distinct species · 11 429 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 429 obs · 6 cellules
Obs. / cellule
≥ 5 177
5 177–5 176
2 252–5 176
2 233–2 251
< 2 233

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

Climate

Mean T°

6,8°C

Annual rain

1 915mm

Warmest m°

22,8°C

Coldest m°

-9,1°C

Elevation: 273 m on average (min -30 m, max 1 229 m)

Bioclimatic detailsExpert
Annual mean temp.
6,8°C
Annual rain
1 915mm
Warmest month
22,8°C
Coldest month
-9,1°C
Mean alt.
273m
Min
-30m
Max
1 229m
Std. dev.
237m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)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

63,6g/kg

Clay

21,5%

Sand

41,1%

Silt

37,4%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
86,0g/kg
Clay
21,5%
Sand
40,4%
Silt
38,0%
5–15 cm
pH H₂O
5,1
Org. C
66,8g/kg
Clay
21,1%
Sand
41,1%
Silt
37,8%
15–30 cm
pH H₂O
5,1
Org. C
38,1g/kg
Clay
21,8%
Sand
41,8%
Silt
36,4%

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

Land cover

Forest65.6%
Crops4.0%
Built-up3.3%
Bare soil0.4%
Other (grassland, water…)26.7%

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

Hydrology3 basins · 0 lakes · 19 rivers

Hydrology metrics for this exact territory

Stream length here

64,2km

Basins crossed

3

Max stream order

2

Max drainage

14 410km²

Discharge in basins

9,5m³/s

Mean precip.

1 320mm/an

Mean T°

6,8°C

Moisture idx

0,44

Max snow

40%

Mean runoff

986mm/an

Mean elev. (basins)

270m

Watersheds crossing here

Rivers / streams (19, ord ≥ 4)

7 more river segments

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

Human pressure

Pop. density

4hab/km²

Night light

4,6nW

Built-up

331,6%

Pesticides

58,6kg/km²

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

Protected areas19

IUCN V · 11IUCN IV · 4IUCN VI · 2IUCN II · 1IUCN Not Applicable · 1🌊 Marine · 4

Kita shiribeshi

IUCN VI

Coastline Marine Resource Development Area, designated sea area · 1976

619 km²

Ouji otarusanrin

IUCN V

Natural Landscape Protection Area(Hokkaido) · 1972

38 km²

Teineyama minami

IUCN V

Natural Landscape Protection Area(Hokkaido) · 1972

33 km²

Yoichidake

IUCN V

Natural Landscape Protection Area(Hokkaido) · 1972

30 km²

Complete list

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