Variability of alkenone producers recorded in brackish lacustrine sediments of Lake Nakaumi, western Japan
Yuki Hattori, Hokkaido University, Department of earth and planetary sciences, Sapporo, Japan, Ken Sawada, Hokkaido University, Department of Earth and Planetary Sciences, Sapporo, Japan, Takuto Ando, Hokkaido University, Sapporo, Japan, Hideto Nakamura, Department of Geosciences, Graduate School of Science, Osaka City University, Osaka, Japan and Kotaro Hirose, Waseda University, Tokyo, Japan
