用几何形态计量学方法比较大菱鲆(Teleostei: Aphaniidae)种群的体型

F. Abolhasani, M. S. Heydarnejad, Seyedeh Narjes Tabatabaei, A. Bakhtiarifar, I. H. Segherloo
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引用次数: 0

摘要

本研究的主要目的是研究伊朗查哈尔马哈尔省和巴赫蒂亚里省6个水体中扎格罗斯齿鱼Aphanius vladykovi种群的形态变化和体型变化。为此,从Choghakhor和Gandoman湿地、Shalamzar、Balagholi和Brovi泉以及Beheshtabad河收集了240个标本。鱼的右侧有12个地标点被数字化。统计分析包括主成分分析(PCA)、判别函数分析(DFA)和聚类分析(CA),使用TPS软件包、SYSTAT 9和PAST软件进行。判别函数分析表明,不同地区雌鱼的体型差异比不同地区雄鱼的体型差异更明显(p <0.001)。此外,在男性和女性之间进行聚类分析,解决了两个聚类,这是相当相似的男性和女性。这些差异可能归因于扎格罗斯齿鱼对其栖息地的形态适应,但对观察到的形态差异的明确推断需要更多的遗传、生态和实验证据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparison of the body shape of Aphanius vladykovi populations (Teleostei: Aphaniidae) using geometric morphometric method
The main purpose of this study was to investigate the morphological changes and body shape variations of the Zagros Tooth-carp Aphanius vladykovi populations in six water bodies located in Chaharmahal and Bakhtiari province, Iran. For this purpose, 240 specimens were collected from the Choghakhor and Gandoman wetlands, the Shalamzar, Balagholi, and Brovi springs, and the Beheshtabad River. Twelve landmark points were digitized on the right side of the fish. Statistical analyses including Principal Component Analysis (PCA), Discriminant Function Analysis (DFA), and Cluster Analysis (CA) were performed using TPS package, SYSTAT 9, and PAST Software. Discriminant function analysis revealed that female fish in different localities show more pronounced body shape differences compared to males from different localities (p <0.001). In addition, in clustering analysis performed among males and among females, two clusters were resolved, which were fairly similar for males and females. These differences might be attributed to the morphological adaptation of the Zagros Tooth-carp to their habitats but a clear inference on the observed morphological divergence will be possible with more genetic, ecological, and experimental evidence.
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