Ontologia

City · JPN

Chitose

Japan

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

Species observed

961

Observations

9 167

Area

622km²

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 Chitose : 30 espèces reliées par 65 interactions GloBI sur 4 types (connectance 7.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
65
Connectance
0.079
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

961 distinct species · 9 167 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 167 obs · 16 cellules
Obs. / cellule
≥ 3 820
1 483–3 819
582–1 482
222–581
< 222

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

Climate

Mean T°

7,0°C

Annual rain

1 712mm

Warmest m°

22,7°C

Coldest m°

-10,8°C

Elevation: 204 m on average (min 6 m, max 1 101 m)

Bioclimatic detailsExpert
Annual mean temp.
7,0°C
Annual rain
1 712mm
Warmest month
22,7°C
Coldest month
-10,8°C
Mean alt.
204m
Min
6m
Max
1 101m
Std. dev.
219m
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

5,2

Org. C

59,9g/kg

Clay

20,3%

Sand

45,8%

Silt

33,9%

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
81,1g/kg
Clay
20,3%
Sand
45,3%
Silt
34,4%
5–15 cm
pH H₂O
5,2
Org. C
59,0g/kg
Clay
20,6%
Sand
45,4%
Silt
34,0%
15–30 cm
pH H₂O
5,3
Org. C
39,4g/kg
Clay
19,9%
Sand
46,8%
Silt
33,3%

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

Land cover

Forest51.5%
Crops15.7%
Built-up1.3%
Bare soil1.6%
Other (grassland, water…)29.9%

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

Hydrology4 basins · 3 lakes · 29 rivers

Hydrology metrics for this exact territory

Stream length here

191,5km

Lake surface here

77,65km²

Basins crossed

4

Max stream order

4

Max drainage

14 410km²

Discharge in basins

16,4m³/s

Mean precip.

1 181mm/an

Mean T°

6,7°C

Moisture idx

0,38

Max snow

41%

Mean runoff

957mm/an

Mean elev. (basins)

192m

Watersheds crossing here

Lakes (3, top by area)

Rivers / streams (29, ord ≥ 4)

17 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

1,7nW

Built-up

129,5%

Pesticides

57,0kg/km²

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

Protected areas11

IUCN IV · 8IUCN II · 1IUCN Ib · 1IUCN Not Applicable · 1

Shikotsuko

IUCN IV

Prefectural Wildlife Protection Area · 2006

223 km²

Oiwake aoba

IUCN IV

Prefectural Wildlife Protection Area · 2018

0 km²

Complete list

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