About IMAI ICHIRO
About 北大 大学院水産科学研究院
About red tide
About noxious organism
About poisonous plant
About harmful organism control
About eutrophication
About Chattonella
About biology
About environmental pollution control
About disaster countermeasure
About biological classification
About plankton
About Harmful Algal Bloom
About Marine Biology
About environmental pollution control measure
About countermeasure for pest control
About biological species
About developmental mechanics
About Plankton
About Marine pollution
About 赤潮
About 生物学
About 防除対策