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The Mitochondrial COI Gene Reveals the Genetic Diversity of Chub Mackerel (Scomber japonicus) in the Taiwan Strait and its Adjacent Waters

The Mitochondrial COI Gene Reveals the Genetic Diversity of Chub Mackerel (Scomber japonicus) in the Taiwan Strait and its Adjacent Waters

Liyan Zhang1,2, Zhidong Zhou1,3, Haiping Li1,2, Yanlong Qiao4, 5 and Yueping Zhang1,3,*

1Fujian Institute of Oceanography, Xiamen 361013, China
2Fujian Provincial Key Laboratory of Coast and Island Management Technology Study, Xiamen 361013, China
3Fujian Provincial Key Laboratory of Coastal Ecology and Environmental Studies, Xiamen 361005, China
4School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
5Tianjin Marine Research and Consulting Centre, Tianjin 300457, China

*      Corresponding author: 529244377@qq.com

Fig. 1.

The four sampling locations of S. japonicas. 1, Mindong fishing ground; 2, Minzhong fishing ground; 3, Minnan fishing ground; 4, Taipei fishing ground.

Fig. 2.

NJ tree of COI haplotypes of S. japonicus. S. tenuifilis was used as the outgroup. Bootstrap supports >50 in 1,000 replicates are shown.

Fig. 3.

Unrooted minimum spanning tree depicting the genetic relationship among S. japonicus COI haplotypes. Circle sizes are proportional to the haplotype frequency. Perpendicular tick marks on the lines joining the haplotypes represent the number of nucleotide substitutions.

Fig. 4.

The mismatch distribution of COI haplotypes of S. japonicas.

Fig. 5.

Bayesian skyline plots showing NefT (Nef is effective population size and T is generation time) changes in S. japonicus over time based on COI sequences. The upper and lower limits of the blue line represent the 95% confidence intervals of highest posterior densities (HPD) analysis. The black line represents median estimates of NefT.

Pakistan Journal of Zoology

April

Vol. 51, Iss. 2, Pages 399-799

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