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ISSN 1000-0615

主管 中国科学技术协会

主办 中国水产学会

人工养殖斑鰶不同月龄表型性状的主成分与判别分析

2024. 人工养殖斑鰶不同月龄表型性状的主成分与判别分析. 水产学报, 48(3): 039613. doi: 10.11964/jfc.20211113153
引用本文: 2024. 人工养殖斑鰶不同月龄表型性状的主成分与判别分析. 水产学报, 48(3): 039613. doi: 10.11964/jfc.20211113153
PING Hongling, ZHANG Tao, SHI Huilai, FU Tiezhong, HE Jie, LI Bin, LU Bin, YU Xuejun. 2024. Principal component and discriminant analyses of morphological traits of cultured Konosirus punctatus at different stage. Journal of Fisheries of China, 48(3): 039613. doi: 10.11964/jfc.20211113153
Citation: PING Hongling, ZHANG Tao, SHI Huilai, FU Tiezhong, HE Jie, LI Bin, LU Bin, YU Xuejun. 2024. Principal component and discriminant analyses of morphological traits of cultured Konosirus punctatus at different stage. Journal of Fisheries of China, 48(3): 039613. doi: 10.11964/jfc.20211113153

人工养殖斑鰶不同月龄表型性状的主成分与判别分析

  • 基金项目:

    国家重点研发计划(2019YFD0901204, 2019YFD0901205); 浙江省重点研发计划(2019C02056);舟山市科技计划项目 (2017C32071)

详细信息
    作者简介:

    平洪领 (照片),从事海水鱼类繁育与发育研究,E-mail:pinghongling@126.com

    通讯作者: 史会来,从事海水鱼类遗传育种研究,E-mail:shihuilai1980@163.com
  • 中图分类号: S 965.3

Principal component and discriminant analyses of morphological traits of cultured Konosirus punctatus at different stage

  • Fund Project: 国家重点研发计划(2019YFD0901204, 2019YFD0901205); 浙江省重点研发计划(2019C02056);舟山市科技计划项目 (2017C32071)
More Information
  • 为研究斑鰶不同月龄表型性状的生长规律和特征,及最佳生长季节各性状与月龄的关系。采用主成分和判别分析的方法对2、4、6和8月龄斑鰶的全长、体长、头长、躯干长、尾柄长、眼径、体高、尾柄高、体宽、眼间距和体重等11个性状进行分析。结果显示,斑鰶不同月龄各性状指标间呈现不同程度的正相关,各月龄的体重与全长、体长、体高和体宽的相关系数均较大,眼径和眼间距2个性状与其他性状之间的相关系数均较小,8月龄各性状对体重的相关系数均小于2、4和6月龄。斑鰶不同月龄性状的主成分有所不同,各月龄第一主成分均以增重、增长的生长发育特性为主;第二主成分为2月龄指向体宽的发育情况,4、6和8月龄指向眼径发育情况;第三主成分为2和4月龄反映头部发育情况,6月龄反映眼径发育情况,8月龄反映体宽的发育情况。通过逐步判别分析法,剔除掉3个性状指标,建立各月龄的判别函数式,总的判别准确率为99.3%,2、4和8月龄的判别准确率达到100%。斑鰶2~8月龄的体长与体重的关系为W=0.017L2.929 (R2=0.981)。研究表明,全长、体长、体高和体宽是影响斑鰶生长发育最重要的表型性状指标,建立了不同生长阶段的判别函数式,生长方式为等速生长 (2~8月龄)。本研究为斑鰶的选择育种工作提供理论依据和建议测量指标。
  • 加载中
  • 图 1  不同月龄斑鰶各性状的相关系数

    Figure 1.  Correlation coefficient between the traits of K. punctatus at different ages

    图 2  不同月龄斑鰶表型性状的特征值和累计贡献率

    Figure 2.  Eigenvalue and cumulative contribution rate of morphological traits of K. punctatus at different ages

    图 3  斑鰶的体长与体重的关系

    Figure 3.  Relationship between body length and body weight of K. punctatus

    表 1  不同月龄斑鰶体重与表型性状的描述性统计

    Table 1.  Descriptive statistics for the body mass and morphometric traits of K. punctatus at different ages

    性状
    traits
    2月龄 2 month4月龄 4 month6月龄 6 month8月龄 8 month
    mean±SDCV/%mean±SDCV/%mean±SDCV/%mean±SDCV/%
    X11/g 2.54±0.60 23.62 9.89±1.55 15.67 18.92±2.48 13.10 28.04±3.85 13.74
    X1/mm 70.13±4.83 6.89 101.32±5.43 5.35 129.63±5.02 3.87 155.49±6.11 3.93
    X2/mm 56.95±4.03 7.07 84.98±4.87 5.73 111.96±3.42 3.05 129.22±5.60 4.34
    X3/mm 18.17±1.52 8.36 23.36±1.21 5.16 32.98±1.18 3.58 33.79±1.38 4.08
    X4/mm 22.52±1.73 7.68 37.41±2.53 6.76 52.75±1.62 3.07 52.55±3.78 7.20
    X5/mm 16.47±1.52 9.22 25.91±1.67 6.44 37.12±2.03 5.47 43.00±2.14 4.98
    X6/mm 5.29±0.39 7.37 6.20±0.31 4.92 12.44±0.34 2.74 8.35±0.34 4.09
    X7/mm 16.66±1.32 7.92 25.07±1.54 6.16 36.68±1.52 4.13 38.32±1.77 4.63
    X8/mm 5.32±0.44 8.27 8.22±0.58 7.10 14.59±0.39 2.69 11.36±0.59 5.19
    X9/mm 5.62±0.67 11.92 9.99±0.76 7.57 17.22±1.08 6.26 12.34±0.88 7.14
    X10/mm 4.01±0.39 9.72 8.68±0.56 6.41 15.53±0.70 4.49 11.51±0.85 7.39
    下载: 导出CSV

    表 4  判别函数式对观测样本的预测分类及准确率

    Table 4.  Predicted classification of discriminant functions for observed specimens and its accuracy in percentage

    月龄
    months
    数量/尾
    number
    准确率/%
    accuracy rate
    预测分类 predicted classification
    2月龄
    2 months
    4月龄
    4 months
    6月龄
    6 months
    8月龄
    8 months
    2100100.0100000
    485100.008500
    69096.703870
    892100.000092
    合计 total36799.3100888792
    下载: 导出CSV

    表 2  不同月龄斑鰶入选主成分的特征向量

    Table 2.  Principal component eigenvector of K. punctatus different ages

    月龄
    months
    主成分
    principal
    component
    特征向量 rincipal component eigenvector
    X11X1X2X3X4X5X6X7X8X9X10
    2月龄 2 months 1 0.966 0.969 0.979 0.929 0.780 0.898 0.805 0.959 0.850 0.740 0.696
    2 0.051 −0.148 −0.107 0.105 −0.487 −0.109 −0.116 0.117 0.183 0.597 −0.055
    3 −0.089 −0.075 −0.074 −0.138 −0.249 0.113 0.230 0.006 −0.210 −0.015 0.648
    4月龄 4 months 1 0.972 0.964 0.959 0.785 0.859 0.785 0.063 0.912 0.795 0.826 0.655
    2 0.004 −0.105 −0.046 0.044 −0.045 0.064 0.969 −0.040 −0.057 −0.105 0.331
    3 0.086 0.071 0.027 0.295 −0.343 0.085 0.198 0.069 −0.028 0.214 −0.623
    6月龄 6 months 1 0.863 0.948 0.961 0.652 0.754 0.875 0.412 0.419 0.522 0.850 −0.403
    2 0.403 0.075 −0.132 −0.579 0.368 −0.182 0.826 0.109 −0.015 −0.331 0.392
    3 0.109 0.071 0.074 −0.107 −0.116 0.174 −0.774 −0.033 0.204 0.232 0.492
    8月龄 8 months 1 0.900 0.934 0.879 0.801 0.674 0.806 0.609 0.903 0.844 0.780 0.620
    2 −0.179 −0.053 −0.082 0.401 −0.436 −0.033 0.629 −0.130 −0.187 −0.187 0.516
    3 0.245 −0.286 −0.354 −0.213 0.026 0.387 0.082 0.062 0.128 0.529 0.316
    下载: 导出CSV

    表 3  斑鰶不同月龄性状的主成分

    Table 3.  Principal component of traits of K. punctatus different ages

    月龄
    months
    第一主成分
    first principal component
    第二主成分
    second principal component
    第三主成分
    third principal component
    2月龄 2 months 增长、增重因子 体宽发育 头部发育
    4月龄 4 months 增长、增重因子 眼径发育 头部发育
    6月龄 6 months 增长、增重因子 眼径发育 眼径发育
    8月龄 8 months 增长、增重、增高因子 眼径发育 体宽发育
    下载: 导出CSV
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出版历程
收稿日期:  2021-11-11
修回日期:  2021-12-25
刊出日期:  2024-03-01

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