Hiki kyuryo
IUCN VPrefectural Natural Park · 1954
46 km²
City · JPN
Kumagaya
Japan
CfaTemperate, no dry season, hot summer(100 %)
Species observed
812
Observations
3 599
Area
152,6km²
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 Kumagaya : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 6 types (connectance 11.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
58
Connectance
0.110
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
812 distinct species · 3 599 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,0°C
Annual rain
1 396mm
Warmest m°
29,7°C
Coldest m°
-1,6°C
Elevation: 33 m on average (min 19 m, max 73 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,0°C
Annual rain
1 396mm
Warmest month
29,7°C
Coldest month
-1,6°C
Mean alt.
33m
Min
19m
Max
73m
Std. dev.
12m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,1
Org. C
35,7g/kg
Clay
29,1%
Sand
38,8%
Silt
32,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
48,8g/kg
Clay
28,6%
Sand
38,8%
Silt
32,7%
5–15 cm
pH H₂O
6,1
Org. C
33,5g/kg
Clay
28,4%
Sand
39,2%
Silt
32,4%
15–30 cm
pH H₂O
6,2
Org. C
24,8g/kg
Clay
30,4%
Sand
38,5%
Silt
31,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.3%
Crops15.7%
Built-up11.1%
Bare soil1.2%
Other (grassland, water…)63.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
41,4km
Lake surface here
0,16km²
Basins crossed
2
Max stream order
5
Max drainage
6 349km²
Discharge in basins
10,0m³/s
Mean precip.
1 300mm/an
Mean T°
14,1°C
Moisture idx
0,18
Max snow
2%
Mean runoff
492mm/an
Mean elev. (basins)
111m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (10, ord ≥ 4)
- 福川ord 2len here15.16 km61%total25 km
- 荒川ord 5len here14.23 km10%total143 km
- 九頭龍川ord 2len here3.73 km100%total4 km
- 和田川ord 1len here3.66 km94%total4 km
- 備前渠ord 1len here1.99 km100%total2 km
- 和田吉野川ord 1len here1.62 km100%total2 km
- 酒巻導水路ord 1len here0.68 km18%total4 km
- 利根加用水ord 5len here0.21 km2%total9 km
- 星川ord 1len here0.10 km1%total11 km
- 利根川ord 6len here≈ tangenttotal275 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
8hab/km²
Night light
6,0nW
Built-up
1 107,3%
Pesticides
71,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN IV · 3IUCN V · 2
Namegawa
IUCN IVPrefectural Wildlife Protection Area · 2019
8 km²
Arakawa oaso
IUCN IVPrefectural Wildlife Protection Area · 2023
7 km²
Rissho daigaku-monjuji
IUCN IVPrefectural Wildlife Protection Area · 2014
1 km²
Kumagaya shi onuma
IUCN VPrefectural Nature Conservation Area · 1978
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN