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Öğe An assessment on biometric differentiation depend on distribution of the Anatolian Jird Meriones tristrami (Mammalia: Rodentia) Subpopulations in Turkey(Kahramanmaras Sutcu Imam Univ Rektorlugu, 2021) Yigit, Nuri; Colak, Ercument; Saygili Yigit, Fulya; Colak, Reyhan; Cetinturk, DeryaThe Anatolian Jird Meriones tristrami is a widespread rodent species in Anatolian steps. In the study, to determine the relationships between the subpopulations of species and to clarify their distributions, 233 adults samples representing Turkey under the 12 groups, according to their recorded geographical localities, were compared biometrically. For this purpose, measurements of the four external morphological and twenty-seven cranial characters of the groups were analyzed statistically. Despite the high similarity of their biometric characters due to their belonging to the same species, subpopulations were separated from each other with small differences. In the cluster tree (UPGMA), Manisa and Kastamonu subpopulations were noticeably similar with Karaman and Ankara subpopulations. Kilis and Sanliurfa subpopulations were linked to the Western and Central Anatolian groups, and these two subpopulations were observed to be close to the groups that include Malatya and Kayseri samples. Igdir subpopulation was among the Central and Western Anatolia and Southeastern Anatolia groups. The existence of these biometric relationships in the groups supports the hypothesis that the spread of this species to the west of Anatolia should have been by following a route from the north rather than the south of Central Anatolia. In addition, it is predicted that biometric differentiation between subspecies is formed by the effect of geographical features of Anatolia.Öğe Genetic differentiation of the Meriones tristrami (Mammalia: Rodentia) subpopulations in Turkey - inferring allozyme variations(TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2016) Yigit, Nuri; Saygili Yigit, Fulya; Colak, Ercument; Colak, Reyhan; Cetinturk, DeryaAllozyme variations of Tristram's jird Meriones tristrami, which is distributed in the steppe and semiarid areas of Turkey, were studied using 24 loci of 83 specimens from ten locations in Turkey. Seven loci were found to be polymorphic. According to the patterns of allozyme variation, the percentage of polymorphic loci was 12.5. F-ST was found to be 0.44, indicating high genetic variations among M. tristrami; accordingly the Nm value (0.3157) appeared quite low. The UPGMA dendrogram, based on genetic distance, showed that the populations established two very close subclusters, and supported the idea that the westernmost population connected to the northern part of the central Anatolian population. As expected, the eastern population appeared to be more divergent due to geographic distance. Our findings supported that genetic isolation among these subpopulations might be caused by geographic isolation.