About KATSUKAWA TOSHIO
About 東京海洋大 産学・地域連携推進機構
About 環境情報科学
About Fisheries
About sustainable development
About resource management
About aquatic resource
About Ecosystem
About marine environment
About environmental conservation
About catch quantity
About Global Warming
About regulation
About International Law
About laws and regulations
About marine ecosystem
About catch control
About sustainable fishery
About aquatic resource management
About industry
About 漁業法
About resource recovery
About Environmental problems
About Fisheries in general
About 海洋生態系
About 保全
About 水産資源管理
About 展望
About 状況
About 日本
About 水産資源