Exports of South Korea\'s fisheries and marine products surged 31 percent from a year earlier in the first nine months of the year, fueled by strong demand from Japan and China, a state-run trade organization said Friday. The country\'s overseas shipments of marine products in the January-September period reached US$1.67 billion, a new high for the cited period, according to the Korea Agro-Fisheries Trade Corp., also known as AT.