1997 年 13 巻 p. 215-231
Diatoms in sediments from Lake Aoki, Nagano Pref. (Central Japan) were investigated. Epilithic and benthic diatoms were abundant in the samples but planktonic were rare.
The check-list of 242 taxa includes 117 forms which were n ewly recorded in Lake Aoki. Taxonomically or distributionally noticeable taxa were illustrated.