Fluctuations in the Abundance of Common Squid, Todarodes pacificus and Environmental Conditions in the Far East Regions during 52 Years
2006
Gong, Y. (Korea Fisheries Associations, Seoul, Republic of Korea), E-mail: gongyeong@yahoo.co.kr | Jeong, H.D. (National Fisheries Research and Development Institute, Busan, Republic of Korea), E-mail: hdjeong@nfrdi.re.kr | Choi, K.H. (National Fisheries Research and Development Institute, Busan, Republic of Korea) | Seong, K.T. (National Fisheries Research and Development Institute, Busan, Republic of Korea) | Kim, S.W. (National Fisheries Research and Development Institute, Busan, Republic of Korea)
Environmental variables, fishing and biological data of the common squid, Todarodes pacificus were used to describe changes in structure, migration and abundance of the squid population in relation to ocean climate shifts. It was possible to consider the main groups of the squid (autumn and winter-spawned groups) as a single population to aid conservation in the waters around Korea and Japan (TWC and KOC regions). The patterns of yearly fluctuations in abundance of the squid population in the two regions were the same during 52 years of 1952~2003.
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