A discussion about the convention on the conservation and management of highly migratory fish stocks in the WCPO and its effects on the tuna fishery of China;

Long-term changes in the mean trophic level of tuna fishery in the Indian Ocean;

Status of tuna fishery in Indian Ocean and Chinese development strategy

The status of Tuna Fisheries in Federated States of Micronesia and Chinese development prospects;

Current status and development prospects of Tonga tuna fisheries;

The western and-central Pacific Ocean(hereafter WCPO)is one of the main fishing grounds of tuna purse seine fishery in the World with the main target species skipjack,yeUowfin and bigeye tuna.

Studies were conducted to analyze the tuna resources of major economic species,and to elaborate the current situation and problems of deep-sea tuna fishery development.