About YOSHIMURA KENJI
About 民族学博物館
About 地域漁業研究
About Katsuwonus pelamis
About Okinawa prefecture
About Fisheries
About angling
About fishing ground
About fish school
About fish shelter
About Aves
About regional difference
About swarming
About Marine birds
About risk reduction
About fishing ground formation
About floating fish aggregator
About fishing ground survey
About industry
About Vertebrata
About introduction of case
About case report
About phayao
About fishing ground survey
About countermeasure
About Fishes
About Fishing in general
About Fishing grounds and fishing conditions
About 沖縄
About カツオ
About 一本釣
About 漁場
About 地域
About パヤオ
About 蝟集
About 状況
About 悪化