Yaba-Hita-Hikosan
IUCN VQuasi National Park · 1950
848 km²
City · JPN
Asakura
Japan
CfaTemperate, no dry season, hot summer(100 %)
Species observed
241
Observations
757
Area
251,3km²
Ecological tissue
Sample of 34 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 Asakura : 30 espèces reliées par 37 interactions GloBI sur 4 types (connectance 6.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
37
Connectance
0.062
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
241 distinct species · 757 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,7°C
Annual rain
2 044mm
Warmest m°
30,0°C
Coldest m°
-0,4°C
Elevation: 215 m on average (min 13 m, max 704 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,7°C
Annual rain
2 044mm
Warmest month
30,0°C
Coldest month
-0,4°C
Mean alt.
215m
Min
13m
Max
704m
Std. dev.
171m
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
5,2
Org. C
42,6g/kg
Clay
31,7%
Sand
35,4%
Silt
32,9%
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
5,2
Org. C
69,3g/kg
Clay
31,0%
Sand
35,8%
Silt
33,2%
5–15 cm
pH H₂O
5,2
Org. C
38,1g/kg
Clay
31,9%
Sand
35,2%
Silt
32,8%
15–30 cm
pH H₂O
5,2
Org. C
20,5g/kg
Clay
32,2%
Sand
35,1%
Silt
32,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest60.9%
Crops8.7%
Built-up3.4%
Bare soil1.2%
Other (grassland, water…)25.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 2 lakes · 19 rivers
Hydrology metrics for this exact territory
Stream length here
89,6km
Lake surface here
1,34km²
Basins crossed
3
Max stream order
5
Max drainage
1 973km²
Discharge in basins
29,3m³/s
Mean precip.
1 991mm/an
Mean T°
14,6°C
Moisture idx
0,45
Max snow
10%
Mean runoff
1 180mm/an
Mean elev. (basins)
235m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (19, ord ≥ 4)
- 小石原川ord 5len here22.28 km69%total32 km
- 佐田川ord 2len here18.56 km100%total19 km
- 筑後川ord 5len here15.42 km11%total139 km
- 荷原川ord 1len here5.62 km100%total6 km
- 赤谷川ord 2len here4.06 km100%total4 km
- 黒川ord 1len here3.56 km100%total4 km
- 桂川ord 1len here3.36 km100%total3 km
- 乙石川ord 1len here3.27 km100%total3 km
- 長田川ord 2len here2.47 km93%total3 km
- 白木谷川ord 5len here1.98 km100%total2 km
- 奈良ヶ谷川ord 1len here1.90 km100%total2 km
- 野鳥川ord 1len here1.83 km100%total2 km
7 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
1,1nW
Built-up
340,5%
Pesticides
95,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN V · 3IUCN IV · 2🌊 Marine · 1
Chikugo gawa
IUCN VPrefectural Natural Park · 1992
146 km²
Koshosan
IUCN IVPrefectural Wildlife Protection Area · 2009
26 km²
Terauchi
IUCN IVPrefectural Wildlife Protection Area · 2008
1 km²
Toyasan
IUCN VPrefectural Nature Conservation Area · 1978
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN