JFoSIS - Map

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Soil maps

National forest soil map
Private (non-national) forest soil map

Soil survey database

National forest soil profiles

Predicted soil properties

Organic carbon stock
Organic carbon concentration
Bulk density
Coarse-fragment content
A-horizon thickness index
A- and B-horizon thickness index

CS maps

Provided by this site

Hiroshima
Ehime
Okayama
Kochi
Fukushima
Kumamoto and Oita
Noto (pre-disaster)

External services (by prefecture)

Miyagi
Tochigi
Saitama
Kanagawa
Tokyo
Shizuoka
Yamanashi
Nagano
Gifu
Shiga
Kyoto
Osaka
Hyogo
Okayama
Kochi

External services (by forest planning area)

Yamagata (Shonai)
Aichi (Owari–Nishi-Mikawa)
Aichi (Higashi-Mikawa)
Mie (Kita-Ise)
Tokushima (Naka and Kaifugawa)
Tokushima (Yoshinogawa)
Oita (Southern Oita)

External services (disaster response)

2024 Noto Peninsula Earthquake
July 2018 Heavy Rain (Okayama and Hiroshima)
July 2020 Heavy Rain (Kumamoto)
2016 Kumamoto Earthquake

Other layers

Seamless geological map
National forest resource mesh
Regional Forest Planning Area Layer

Base maps

Hillshade (recommended)
GSI Topographic map
GSI Detailed topographic map (Japanese)
GSI Aerial Imagery
GSI Blank map (Japanese)

Selected layers (drag to reorder)

Organic carbon stock

Depth (cm)

0－30

0－5

5－15

15－30

(Mg C /ha)

Probability of A-horizon thickness ≥15 cm

Predicted soil properties

Organic carbon stock (t C/ha)	Organic carbon concentration (g C/kg)
Bulk density (Mg/m³)	Coarse-fragment content (%)

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Legend

Open an enlarged legend and description

About the soil maps