| 英文摘要 |
The first part of this project is to inspect and validate the logbook data collected by OFDC from off-shore longline fishery in the Indian and Pacific Oceans. We have examined 204,759 records from the database provided by OFDC through column values debugging and GIS positions verification. Among them, 114,824 records (56%) were debugged as disqualified data and removed from the database. The database after process indicate area with high concentration of fishing effort are 0°N~20°N / 130°E~160°E in the Pacific Ocean, South-East waters of Mauritius and North-East waters of Indonesia. Five distinct region were identified by catch composition, including Pacific Ocean (A), WC Pacific Ocean (B), E Indian Ocean, Arabian Sea (D) and Western Indian Ocean (E). The dominant species caught by the longliners for the 5 regions area namely, Sharks &Mahi mahi (A), albacore &yellowfin (B), yellowfin &bigeye (C), yellowfin &swordfish (D), and albacore (E). In addition, we developed a PC software for the data user or manager to quickly search and display the 5x5 degree aggregated catch and effort.
The second part of this project is to carry out the idea of data processing procedure in the “Virtual Tuna Research Institute” in order to support research works in the two Oceans. To execute the goal, we have completed 9 times of workshop for data processing and inspection, 6 times of panel meeting, and 2 times of foreign expert invitation. |