Yokkaichishi isakayama dam
IUCN IVPrefectural Wildlife Protection Area · 2022
8 km²
Town · JPN
Asahi
Japan
CfaTemperate, no dry season, hot summer(100 %)
Species observed
139
Observations
1 324
Area
5,5km²
Ecological tissue
Sample of 36 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 Asahi : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 3 types (connectance 6.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
40
Connectance
0.060
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
139 distinct species · 1 324 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,2°C
Annual rain
1 688mm
Warmest m°
30,5°C
Coldest m°
0,1°C
Elevation: 16 m on average (min 1 m, max 53 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,2°C
Annual rain
1 688mm
Warmest month
30,5°C
Coldest month
0,1°C
Mean alt.
16m
Min
1m
Max
53m
Std. dev.
16m
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
28,0g/kg
Clay
29,8%
Sand
34,3%
Silt
35,9%
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
5,7
Org. C
44,5g/kg
Clay
29,2%
Sand
34,3%
Silt
36,5%
5–15 cm
pH H₂O
5,7
Org. C
23,4g/kg
Clay
29,1%
Sand
34,6%
Silt
36,3%
15–30 cm
pH H₂O
5,7
Org. C
16,0g/kg
Clay
31,0%
Sand
34,1%
Silt
34,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.7%
Crops3.9%
Built-up17.8%
Bare soil0.3%
Other (grassland, water…)73.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,5km
Basins crossed
1
Max stream order
2
Max drainage
1 274km²
Discharge in basins
0,0m³/s
Mean precip.
1 776mm/an
Mean T°
14,4°C
Moisture idx
0,43
Max snow
5%
Mean runoff
1 078mm/an
Mean elev. (basins)
161m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
13hab/km²
Night light
8,8nW
Built-up
1 783,4%
Pesticides
12,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN