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Analysis of morphological differences in five large yellow croaker (Larimichthys crocea) populations

文献类型： 外文期刊

作者： Zhang, Yu-Qing 1 ; Guo, Hua-Yang 1 ; Liu, Bao-Suo 1 ; Zhang, Nan 1 ; Zhu, Ke-Cheng 1 ; Zhang, Dian-chang 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Key Lab South China Sea Fishery Resources Exploita, Minist Agr & Rural Affairs, Guangzhou 510300, Guangdong, Peoples R China

2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Guangdong, Peoples R China

3.Dalian Ocean Univ, Coll Fisheries, Dalian 116023, Peoples R China

4.Sanya Trop Fisheries Res Inst, Sanya 572018, Peoples R China

5.Guangdong Prov Engineer Technol Res Ctr Marine Bio, Guangzhou, Guangdong, Peoples R China

关键词： Larimichthys crocea; Morphological difference; Multivariate analysis

期刊名称：ISRAELI JOURNAL OF AQUACULTURE-BAMIDGEH （ 影响因子：0.6； 五年影响因子：0.6 ）

ISSN： 0792-156X

年卷期： 2024 年 76 卷

页码：

收录情况： SCI

摘要： To explore the morphological and phenotypic characteristics and differences among different populations of Larimichthys crocea, traditional morphological measurements were carried out on three wild populations from Zhoushan, Xiamen and Zhanjiang and two farmed populations from Ningde and Wenzhou. Seven morphological parameters of five L. crocea populations were compared and analyzed. The results of one-way ANOVA showed significant differences in trunk and caudal stalk among the five populations. The contribution rates of the first five principal components to the total difference among different populations were 29.984%, 18.462%, 17.234%, 12.167%, and 9.904%, respectively, and the cumulative contribution rates were 87.751%. Trunk can be used to distinguish different geographic populations best. The cluster analysis results showed that the distance between wild populations was the closest, while the distance between farmed populations was far. The step discriminant method established the classification discriminant function of 5 populations. The discriminant accuracy P1 was 78.3%-92.7%, the discriminant accuracy P2 was 76.4%-96.5%, and the comprehensive recognition rate was 99.3%. The discriminant accuracy of this method was high, and it could provide a reference for the differentiation of different populations of L. crocea. This study provided basic morphological data for identifying a large yellow croaker population, protecting germplasm resources, and breeding improved varieties.

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