Ontologia

City · JPN

Kanuma

Japan

CfaTemperate, no dry season, hot summer(81 %)

Species observed

688

Observations

2 831

Area

499,4km²

Ecological tissue

Sample of 31 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 Kanuma : 26 espèces reliées par 42 interactions GloBI sur 2 types (connectance 8.5%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
42
Connectance
0.085
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

688 distinct species · 2 831 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 831 obs · 14 cellules
Obs. / cellule
≥ 814
340–813
195–339
173–194
< 173

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

Climate

Mean T°

12,4°C

Annual rain

1 985mm

Warmest m°

27,1°C

Coldest m°

-4,2°C

Elevation: 388 m on average (min 75 m, max 1 271 m)

Bioclimatic detailsExpert
Annual mean temp.
12,4°C
Annual rain
1 985mm
Warmest month
27,1°C
Coldest month
-4,2°C
Mean alt.
388m
Min
75m
Max
1 271m
Std. dev.
270m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(81 %)Temperate

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

Soil & lithology

pH H₂O

5,4

Org. C

52,7g/kg

Clay

23,8%

Sand

41,7%

Silt

34,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
74,5g/kg
Clay
24,4%
Sand
40,6%
Silt
35,0%
5–15 cm
pH H₂O
5,4
Org. C
47,1g/kg
Clay
24,3%
Sand
41,0%
Silt
34,8%
15–30 cm
pH H₂O
5,5
Org. C
36,4g/kg
Clay
22,8%
Sand
43,4%
Silt
33,8%

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

Land cover

Forest69.0%
Crops6.0%
Built-up2.8%
Bare soil0.5%
Other (grassland, water…)21.7%

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

Hydrology2 basins · 0 lakes · 14 rivers

Hydrology metrics for this exact territory

Stream length here

177,8km

Basins crossed

2

Max stream order

3

Max drainage

2 572km²

Discharge in basins

8,0m³/s

Mean precip.

1 546mm/an

Mean T°

12,2°C

Moisture idx

0,34

Max snow

22%

Mean runoff

544mm/an

Mean elev. (basins)

370m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,0nW

Built-up

283,9%

Pesticides

100,5kg/km²

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

Protected areas16

IUCN IV · 9IUCN V · 7

Nikko

IUCN V

National Park · 2008

1 159 km²

Maenikko

IUCN V

Prefectural Natural Park · 1955

96 km²

Utsunomiya

IUCN IV

Prefectural Wildlife Protection Area · 2020

22 km²

Kanuma iwayama

IUCN IV

Prefectural Wildlife Protection Area · 2023

10 km²

Himuro

IUCN V

Prefectural Nature Conservation Area · 1973

8 km²

Izurusan

IUCN IV

Prefectural Wildlife Protection Area · 2015

4 km²

Complete list

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