caa a22 4500 445891084 CHVBK 20180317145616.0 cr unu---uuuuu 170323e20110901xx s 000 0 eng 10.1007/s10750-011-0748-7 doi (NATIONALLICENCE)springer-10.1007/s10750-011-0748-7 Detection of morphometric differentiation between isolated up- and downstream populations of Siah Mahi ( Capoeta capoeta gracilis ) (Pisces: Cyprinidae) in the Tajan River (Iran) [Elektronische Daten] [Hossein AnvariFar, Alireza Khyabani, Hamid Farahmand, Saber Vatandoust, Hassan AnvariFar, Shrinivas Jahageerdar] It has been postulated that the building of the Shahid-Rajaei dam on the Tajan River around 1995 has lead to the morphological divergence of Siah Mahi Capotes capoeta gracilis (Pisces) of up- and downstream populations due to the isolation. A 13-landmark morphometric truss network system was used to investigate the hypothesis. Univariate analysis of variance showed significant differences between the means of the two groups for 45 standardized morphometric measurements out of 78 characters studied. In linear discriminant function analysis (DFA), the overall assignment of individuals into their original groups was 87.6%. The proportion of individuals correctly classified into their original groups was 90.3% for upstream and 83.7% for downstream population. The principal component analysis (PCA) scatter plot of individual component scores between PC1 and PC2 showed 121 fish specimens grouped into two areas but with a relativity high degree of overlap between two populations. Clustering analysis based on Euclidean square distances among groups of centroids using an UPGMA resulted into two main clusters indicating two populations of C. c. gracilis. The present study indicated the presence of two morphologically different populations of C. c. gracilis in the Tajan River across the Shahid-Rajaei dam, probably due to their limited downstream dispersal and the elimination of upstream migration altogether, due the construction of the dam. Springer Science+Business Media B.V., 2011 Siah Mahi nationallicence Dam nationallicence Morphometric differentiation nationallicence Truss network system nationallicence Tajan River nationallicence AnvariFar Hossein Department of Fisheries, University of Applied Science and Technology, P.O. Box 4916694338, Golestan, Iran aut Khyabani Alireza University of Applied Science and Technology, Tehran, Iran aut Farahmand Hamid Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran aut Vatandoust Saber Department of Fisheries, Faculty of Natural Resources and Agriculture, Islamic Azad University of Babol, Mazandaran, Iran aut AnvariFar Hassan Department of Veterinary, Faculty of Veterinary, Islamic Azad University of Babol, Mazandaran, Iran aut Jahageerdar Shrinivas Fish Genetics and Biotechnology Division, Central Institute of Fisheries Education, Fisheries University Road, 400 061, Versova, Mumbai, India aut Hydrobiologia Springer Netherlands 673/1(2011-09-01), 41-52 0018-8158 673:1<41 2011 673 10750 https://doi.org/10.1007/s10750-011-0748-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10750-011-0748-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- AnvariFar Hossein Department of Fisheries, University of Applied Science and Technology, P.O. Box 4916694338, Golestan, Iran aut NATIONALLICENCE 700 1- Khyabani Alireza University of Applied Science and Technology, Tehran, Iran aut NATIONALLICENCE 700 1- Farahmand Hamid Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran aut NATIONALLICENCE 700 1- Vatandoust Saber Department of Fisheries, Faculty of Natural Resources and Agriculture, Islamic Azad University of Babol, Mazandaran, Iran aut NATIONALLICENCE 700 1- AnvariFar Hassan Department of Veterinary, Faculty of Veterinary, Islamic Azad University of Babol, Mazandaran, Iran aut NATIONALLICENCE 700 1- Jahageerdar Shrinivas Fish Genetics and Biotechnology Division, Central Institute of Fisheries Education, Fisheries University Road, 400 061, Versova, Mumbai, India aut NATIONALLICENCE 773 0- Hydrobiologia Springer Netherlands 673/1(2011-09-01), 41-52 0018-8158 673:1<41 2011 673 10750 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer