Gyodosan
IUCN IVPrefectural Wildlife Protection Area · 2021
18 km²
City · JPN
Ashikaga
Japan
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 053
Observations
8 049
Area
176,5km²
Ecological tissue
Sample of 30 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 Ashikaga : 23 espèces reliées par 79 interactions GloBI sur 3 types (connectance 15.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
79
Connectance
0.150
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
1 053 distinct species · 8 049 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,2°C
Annual rain
1 439mm
Warmest m°
28,9°C
Coldest m°
-2,4°C
Elevation: 124 m on average (min 22 m, max 502 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,2°C
Annual rain
1 439mm
Warmest month
28,9°C
Coldest month
-2,4°C
Mean alt.
124m
Min
22m
Max
502m
Std. dev.
105m
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
5,7
Org. C
45,6g/kg
Clay
24,5%
Sand
39,3%
Silt
36,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
62,4g/kg
Clay
24,7%
Sand
38,9%
Silt
36,5%
5–15 cm
pH H₂O
5,7
Org. C
40,4g/kg
Clay
24,4%
Sand
39,5%
Silt
36,1%
15–30 cm
pH H₂O
5,7
Org. C
33,9g/kg
Clay
24,4%
Sand
39,5%
Silt
36,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest43.4%
Crops8.6%
Built-up8.0%
Bare soil0.6%
Other (grassland, water…)39.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
64,1km
Basins crossed
1
Max stream order
3
Max drainage
2 572km²
Discharge in basins
2,8m³/s
Mean precip.
1 546mm/an
Mean T°
12,2°C
Moisture idx
0,34
Max snow
8%
Mean runoff
544mm/an
Mean elev. (basins)
370m
Watersheds crossing here
Rivers / streams (10, ord ≥ 4)
- 渡良瀬川ord 5len here21.37 km24%total91 km
- 松田川ord 3len here9.70 km100%total10 km
- 長途路川ord 2len here8.72 km100%total9 km
- 小俣川ord 1len here6.30 km100%total6 km
- 名草川ord 1len here6.04 km100%total6 km
- 矢場川ord 3len here3.75 km43%total9 km
- 藤川ord 2len here3.60 km23%total16 km
- 歳川ord 4len here3.32 km39%total8 km
- 旗川ord 2len here0.73 km14%total5 km
- 出流川ord 1len here0.55 km9%total6 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
3,8nW
Built-up
800,7%
Pesticides
63,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN IV · 3IUCN V · 2
Ashikaga
IUCN VPrefectural Natural Park · 1956
13 km²
Ryogaisan
IUCN IVPrefectural Wildlife Protection Area · 2015
1 km²
Negoya shinrin koen
IUCN IVPrefectural Wildlife Protection Area · 2019
1 km²
Sekison san
IUCN VPrefectural Nature Conservation Area · 1977
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN