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首页> 外文期刊>International Journal of Zoology >Phenotypic Variation in Freshwater Murrel, Channa punctatus (Bloch, 1793) from Northern and Eastern Regions of India Using Truss Analysis
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Phenotypic Variation in Freshwater Murrel, Channa punctatus (Bloch, 1793) from Northern and Eastern Regions of India Using Truss Analysis

机译：利用桁架分析法研究印度北部和东部地区淡水樟树（Channa punctatus，1793年）的表型变异。

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摘要

Morphometric variation study was carried out using truss analysis in freshwater murrel, Channa punctatus (Bloch, 1793), to explore different phenotypic stocks of C. punctatus. Significant variation in the morphometric analysis was observed using the truss network and multivariate analysis of the three subpopulations of freshwater murrel, C. punctatus, from the two different regions of India. Principal component analysis accounted for a total variation of 91.95% by the first three principal components. PC 1 represented the variation due to size and PC 2 and PC 3 represented variations due to shape. The 95% confidence ellipses depicted the clear isolation between the samples in scatter graph of PC 1 on PC 2. The combined groups plot (DF 1 on DF 2) based on discriminant function analysis (DFA) also validated the existence of three different subpopulations. In group classification using DFA, 100 percent of all the samples were correctly classified into their original subpopulation. These results support the existence of multiracial composition of C. punctatus across the different geographical isolated sites and, thus, these findings indicate the presence of three different phenotypic stocks of C. punctatus.
机译：使用桁架分析法对淡水马鞭草（Channa punctatus）（Bloch，1793）进行形态计量学变异研究，以探索马尾藻的不同表型种群。使用桁架网络和来自印度两个不同地区的淡水穆雷尔马尾松三个亚种群的多变量分析，观察到形态分析的显着变化。前三个主成分的主成分分析占总变异的91.95％。 PC 1表示由于尺寸而引起的变化，PC 2和PC 3表示由于形状而引起的变化。 95％的置信椭圆表示PC 2在PC 1上的散点图中样品之间的清楚隔离。基于判别函数分析（DFA）的组合组图（DF 1在DF 2上）也验证了三个不同子种群的存在。在使用DFA进行的组分类中，所有样本的100％被正确地分类为其原始亚群。这些结果支持在不同的地理隔离位点存在马尾C的多种族组成，因此，这些发现表明存在三种不同的马尾表型种群。

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