three locations in central and northern Japan: Mount Ontake, Gifu Prefecture (ONT;
35
55
0 N, 137
27
0 E; 2100 m asl; A. veitchii and T. diversifolia forests; Andic
Podzol); Mount Iwaki, Aomori Prefecture (IWK; 40
39
0 N, 140
16
0 E; 800 m asl;
Fig. 7.2 AMS
14
C ages for sclerotia, humic acid, and humin in the ONT soil by horizon. Open
circle: sclerotia (large, medium, small), open square: Humin, open triangle: Humic acid
Fig. 7.3 AMS
14
C ages of sclerotia grains by horizon in the IWK profile
7 Dating of Sclerotia Grains in Andosol Profiles
127