About YOKOTA KOSUKE
About 水産総合研究セ 開発調査セ
About fishing gear
About Cheloniidae
About Aves
About longline
About fish catch
About technology development
About fishing method
About Sea turtle
About sea fowl
About prevention of bycatch
About Fishing methods
About Fishing gears,fishing tackles
About まぐろ
About はえ縄
About 漁業
About 混獲
About 回避
About 開発
About 評価