Analysis of morphological differences among different populations of golden pompano (<em>Trachinotus ovatus</em>)

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dc.contributor.authorZhao, Peng-Hai
dc.contributor.authorLiu, Bao-Suo
dc.contributor.authorLiu, Bo
dc.contributor.authorZhu, Ke-Cheng
dc.contributor.authorGuo, Hua-Yang
dc.contributor.authorXian, Lin
dc.contributor.authorZhang, Nan
dc.contributor.authorZhang, Dian-Chang
dc.date.accessioned2023-05-17T20:35:52Z
dc.date.available2023-05-17T20:35:52Z
dc.date.issued2023
dc.description.abstractTo explore the external morphological differences of golden pompano in different geographical populations, eight quantitative traits of 210 samples from seven golden pompano populations were measured. Multivariate statistical methods, such as principal component analysis, discriminant analysis, cluster analysis, and One-way ANOVA, were used to compare morphological differences among the populations. Principal component analysis extracted the top five principal components with a cumulative contribution rate of 85.79%, of which the first three principal components could explain seven morphological features. The principal component scatter plot showed that the NH, CH, and LL populations had similar morphology. Using the stepwise discriminant method to establish the classification and discrimination functions of the seven populations, the discrimination accuracy of the DL population was 93.3% for P1 and 87.5% for P2, which was the highest, and the comprehensive discrimination rate was 71.4%. The clustering relationship diagram showed that the populations were divided into three branches, and the CH and NH populations were closest. In contrast, the DL and HF populations were farthest from the other populations. One-way ANOVA showed significant differences (<em>P</em><0.05) among all traits of the populations, and the morphological differences between the HX and DL populations were the largest. The results of this study showed specific differences in the external morphology of golden pompano among different populations.
dc.format.extent12 pages
dc.identifier.doihttps://doi.org/10.46989/001c.75267
dc.identifier.issn0792-156X
dc.identifier.urihttps://hdl.handle.net/10524/69577
dc.relation.ispartofThe Israeli Journal of Aquaculture - Bamidgeh
dc.subjectCluster analysis
dc.subjectDifferent populations
dc.subjectMorphological difference
dc.subjectPrincipal component analysis
dc.subjectTrachinotus ovatus
dc.titleAnalysis of morphological differences among different populations of golden pompano (<em>Trachinotus ovatus</em>)
dc.typeArticle
dc.type.dcmiText
prism.volume75

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Volume 75, Issue 1, 2023