Sendai gawa ryuiki
IUCN VPrefectural Natural Park · 1964
70 km²
Town · JPN
Hishikari
Japan
CfaTemperate, no dry season, hot summer(100 %)
Species observed
169
Observations
421
Area
89,6km²
Ecological tissue
Sample of 18 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 Hishikari : 15 espèces reliées par 20 interactions GloBI sur 2 types (connectance 11.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
19
Interactions affichées
20
Connectance
0.117
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
169 distinct species · 421 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,2°C
Annual rain
2 807mm
Warmest m°
29,3°C
Coldest m°
0,7°C
Elevation: 275 m on average (min 174 m, max 521 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,2°C
Annual rain
2 807mm
Warmest month
29,3°C
Coldest month
0,7°C
Mean alt.
275m
Min
174m
Max
521m
Std. dev.
92m
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
5,3
Org. C
34,3g/kg
Clay
34,5%
Sand
29,8%
Silt
35,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: pyGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,3
Org. C
50,3g/kg
Clay
33,3%
Sand
31,2%
Silt
35,4%
5–15 cm
pH H₂O
5,3
Org. C
32,7g/kg
Clay
34,1%
Sand
29,8%
Silt
36,1%
15–30 cm
pH H₂O
5,3
Org. C
20,0g/kg
Clay
36,0%
Sand
28,5%
Silt
35,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest72.8%
Crops7.9%
Built-up1.2%
Bare soil0.4%
Other (grassland, water…)17.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
43,3km
Lake surface here
0,13km²
Basins crossed
1
Max stream order
4
Max drainage
1 561km²
Discharge in basins
4,3m³/s
Mean precip.
2 580mm/an
Mean T°
15,1°C
Moisture idx
0,58
Max snow
8%
Mean runoff
1 492mm/an
Mean elev. (basins)
300m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (10, ord ≥ 4)
- 川内川ord 4len here9.52 km7%total134 km
- 楠本川ord 2len here7.60 km91%total8 km
- 川間川ord 1len here5.72 km100%total6 km
- 重留川ord 2len here5.71 km80%total7 km
- 新川川ord 2len here3.91 km100%total4 km
- 広田川ord 1len here3.42 km71%total5 km
- 芋田川ord 1len here3.06 km100%total3 km
- 田中川ord 1len here1.98 km100%total2 km
- 境川ord 1len here1.40 km65%total2 km
- 市山川ord 3len here1.01 km6%total16 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
122,5%
Pesticides
81,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN IV · 1🌊 Marine · 1
Hishikari shogakko
IUCN IVPrefectural Wildlife Protection Area · 2023
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN