| 英文摘要 |
In order to investigate the effect of piracy on the Taiwanese longline activity in Indian Ocean, 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. Besides, this study will take the effet of piracy into consideration in the standardization of Indian bigeye and yellowfin CPUE based on the information of commercial catch and effort data. The result of this study will be expected to apply the relevant information to facilitate IOTC to fulfill the management of Indian yellowfin tuna. |