Original Paper

• Long-term variations in mesozooplankton biomass and copepod communities in Mikawa Bay with special reference to their relationship with the hypoxic area of the bay
  - Satoshi Yamada, Sigeaki Yanagibashi, Kazuya Takeda, Juro Hiromi and Teruaki Suzuki

Review

• Anthropogenic radionuclides in marine zooplankton: special remarks on the Fukushima Dai-ichi nuclear power plant accident (Review)
  - Hideki Kaeriyama

Plankton Symposium

• Biology of Acartiid Copepods

Research Information

Prize of the Plankton Society of Japan

Book Review

Abstracts of Original Papers on Plankton & Benthos Research

Society Report