About MASUDA DAISAKU
About 長崎県総合水試
About MASUDA SAKUO
About 舛田水産
About MASUDA SAKUO
About 平瀬定置
About SASAKI TAKUYA
About 舛田水産
About coastal fishery
About seasonal variation
About Nagasaki prefecture
About fishing method
About set net
About Goto Islands
About indigenous industry
About business management
About longline
About seasonal variation
About set net fishery
About regional industry
About regional characteristics
About company introduction
About Fishery economics and management
About Fishing methods
About Fishing in general
About 沿岸漁業
About 季節変動
About 漁業
About 長崎
About 定置網漁業
About 操業