Elucidation of the three-dimensional genetic diversity change of the pilchard resources which decreased sharply

2015 Fiscal Year Final Research Report

• Project/Area Number: 25450292
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Aquatic bioproduction science
• Research Institution: Japan Fisheries Research and Education Agency
• Principal Investigator: Yanagimoto Takashi 国立研究開発法人水産総合研究センター, 中央水産研究所, 主任研究員 (30443386)
• Co-Investigator(Kenkyū-buntansha): NIWA Hirosato 国立研究開発法人・水産研究総合研究センター, 中央水産研究所, 主幹研究員 (60372083) ; NASHIDA Kazuya 国立研究開発法人・水産研究総合研究センター, 中央水産研究所, 主任研究員 (10371882)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: マイワシ / 遺伝的多様性 / 有効集団サイズ / コアレセント解析

Outline of Final Research Achievements

Applying coalescent models to mitochondrial DNA sequences from the Japanese sardine, we found evidence for reproductive skew, which can produce an excess of rare alleles and extremely low ratios of effective population size to census size.

Free Research Field

漁業生態学