Ishizuchisankei
IUCN IVNational Wildlife Protection Area · 2017
110 km²
Town · JPN
Niyodogawa
Japan
CfaTemperate, no dry season, hot summer(92 %)
Species observed
1 530
Observations
7 057
Area
328,7km²
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Species present
1 530 distinct species · 7 057 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,4°C
Annual rain
2 699mm
Warmest m°
26,9°C
Coldest m°
-2,4°C
Elevation: 667 m on average (min 211 m, max 1 468 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,4°C
Annual rain
2 699mm
Warmest month
26,9°C
Coldest month
-2,4°C
Mean alt.
667m
Min
211m
Max
1 468m
Std. dev.
244m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(92 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,1
Org. C
52,6g/kg
Clay
32,7%
Sand
35,4%
Silt
31,9%
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
5,1
Org. C
80,0g/kg
Clay
32,8%
Sand
35,8%
Silt
31,4%
5–15 cm
pH H₂O
5,1
Org. C
50,6g/kg
Clay
32,2%
Sand
35,5%
Silt
32,3%
15–30 cm
pH H₂O
5,1
Org. C
27,1g/kg
Clay
33,2%
Sand
35,0%
Silt
31,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest93.2%
Crops1.0%
Built-up0.3%
Bare soil0.2%
Other (grassland, water…)5.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 1 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
98,3km
Lake surface here
1,30km²
Basins crossed
4
Max stream order
4
Max drainage
2 154km²
Discharge in basins
13,6m³/s
Mean precip.
2 200mm/an
Mean T°
12,8°C
Moisture idx
0,58
Max snow
19%
Mean runoff
1 178mm/an
Mean elev. (basins)
623m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (12, ord ≥ 4)
- 土居川ord 3len here21.29 km100%total21 km
- 仁淀川ord 4len here21.09 km29%total72 km
- 安居川ord 2len here19.65 km100%total20 km
- 長者川ord 2len here13.38 km100%total13 km
- 岩屋川ord 2len here7.84 km91%total9 km
- 中津川ord 2len here6.86 km100%total7 km
- 小郷川ord 1len here2.95 km100%total3 km
- 北川ord 1len here1.76 km100%total2 km
- 楮原川ord 1len here1.74 km100%total2 km
- 徳光谷ord 1len here1.51 km100%total2 km
- 坂折川ord 2len here0.23 km2%total9 km
- 面河川ord 4len here≈ tangenttotal49 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
29,9%
Pesticides
58,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas12
IUCN IV · 7IUCN V · 4IUCN Ib · 1
Ishizuchi
IUCN VQuasi National Park · 1955
109 km²
Ishizuchi Sankei
IUCN IbForest Ecosystem Reserve · 2018
43 km²
Shikoku Karst (kochi)
IUCN VPrefectural Natural Park · 1988
30 km²
Nakatsu keikoku
IUCN VPrefectural Natural Park · 1958
17 km²
Ishizuchi sankei
IUCN IVPrefectural Wildlife Protection Area
15 km²
Complete list12 protected areas
- IshizuchisankeiNational Wildlife Protection AreaIUCN IV2017110 km²
- IshizuchiQuasi National ParkIUCN V1955109 km²
- Ishizuchi SankeiForest Ecosystem ReserveIUCN Ib201843 km²
- Shikoku Karst (kochi)Prefectural Natural ParkIUCN V198830 km²
- Nakatsu keikokuPrefectural Natural ParkIUCN V195817 km²
- Ishizuchi sankeiPrefectural Wildlife Protection AreaIUCN IV15 km²
- Yasui keikokuPrefectural Natural ParkIUCN V195912 km²
- BesshiPrefectural Wildlife Protection AreaIUCN IV20196 km²
- IrazuyamaPrefectural Wildlife Protection AreaIUCN IV20224 km²
- TakataruPrefectural Wildlife Protection AreaIUCN IV20183 km²
- Shikoku karstPrefectural Wildlife Protection AreaIUCN IV20162 km²
- YasuiPrefectural Wildlife Protection AreaIUCN IV20142 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN