Volume 5, Issue 2 (9-2018)                   nbr 2018, 5(2): 192-204 | Back to browse issues page

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Mouludi-Saleh A, Keivany Y. Morphological diversity in three species of Chubs (Squalius spp.) populations in Iranian Basins. nbr. 2018; 5 (2) :192-204
URL: http://nbr.khu.ac.ir/article-1-2976-en.html
, Keivany@cc.iut.ac.ir
Abstract:   (24 Views)
In this study, morphological variation of three species of Squalius in Iranian basin were studied. For this purpose, 709 specimens were captured from Caspian Sea, Urmia Lake, Namak Lake and Tigris basin during 2010-2011. After anesthetizing in clove oil solution and fixing in 10% neutralized formalin, specimens were transferred to the Isfahan University of Technology Ichthyology Museum (IUT-IM) for further studies. In the laboratory some 14 meristic characters were counted under a streomicroscope. Also, on the images in ImageJ software, 19 morphometric characteristics were measured, and in order to extract geometric morphometric data, 13 landmarks were defined and digitized on images taken in tpsDig2 software. To analyze the differences among the populations, Kolmogorov-Smirnov, Kruskal-Wallis, and ANOVA, Duncan test, PCA, CVA and cluster analysis methods were used. The results of PCA and CVA meristic and morphometric showed no significant differences between the studied populations. The populations of the species studied were significantly different in 11 meristic and 15 morphometric characteristics. Also, the major differences observed from the results of geometric morphometric were related to the position of the pectoral fin, body and head depth. In general, the studied populations had a high overlap, and we suggest to study the populations of genus Squalius by molecular methods.
 
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Type of Study: Original Article | Subject: Animal Biology
Received: 2017/10/3 | Revised: 2018/09/22 | Accepted: 2018/05/29 | Published: 2018/09/22 | ePublished: 2018/09/22

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