本年度目標為針對我國遠洋鮪延繩釣漁獲統計資料庫與觀察員資料,檢視總漁獲量、努力量與其分佈、漁獲量與其分佈、漁獲體長等項目,並持續注意海盜活動對於我國漁業活動的確實影響。 並整合檢視分析臺灣、日本與韓國歷年印度洋熱帶鮪類CPUE標準化研究,提供CPUE標準化序列詮釋與改善之依據,並作為2012年更新CPUE標準化之參考。 此計畫之研究成果可提供2012年IOTC國際漁業組織進行印度洋大目鮪與黃鰭鮪進行資源評估分析工作之參考依據,對於我漁業國責任制漁業形象有正面助益。 The goal of this study is to analyze the total catch, effort and its distruibtion, catch distribution and length distribution of Indian bigeye and yellowfin tuna by Taiwanese longline fishery and observer database. Besides, this study will still monitor the effect of piracy on the Taiwanese longline activity in Indian Ocean. Integral analysis of historical researches on CPUE standardization of Indian Bigeye and Yellowfin tuna based on Taiwanese longline fishery data is the main research task in this study. The result of this study will be expected to apply the relevant information to facilitate IOTC to fulfill the management of Indian yellowfin tuna.