About KITAKADO Toshihide
About Tokyo Univ. Marine Sci. and Technol., JPN
About 日本水産学会大会講演要旨集
About Cetacea
About resource management
About Fisheries
About age
About international organization
About catch quantity
About abundance
About population dynamics
About Mysticeti
About whale fishing
About catch control
About Balaenoptera acutorostrata
About aquatic resource management
About Mammalia
About industry
About usefulness
About fishery control
About IWC
About population dynamics
About Fisheries animals other than fishes
About Fishing in general
About クジラ類
About 年齢
About 有用性