| Taiwan reorganized the catch statistics compiling group in 1996, with changes proposed in its data processing system. Through joint work between ICCAT experts and Taiwanese scientists, the system was carefully reviewed and verified. During the review, the need for revising the historical catch statistics was noted. The revision of Atlantic data was proposed and accepted by ICCAT in 1997. This paper gives the revision on Indian Ocean longline statistics with brief description on the new system. Major changes in total catches were due to the re-estimation of landings of bigeye and yellowfin tunas for six years based on Japanese import information, recovery of sales records of swordfish and application of conversion factors to processed weight reported... |
