Phenotypic and geographic variation among populations of the Platyceps rhodorachis-ventromaculatus species complex (Ophidia: Colubridae) in Iran

سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 192

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شناسه ملی سند علمی:

JR_IJAB-18-2_006

تاریخ نمایه سازی: 10 مرداد 1402

چکیده مقاله:

Geographical diversity appears in the phenotype of different populations of a given species and specific geographical factors are directly or indirectly involved in this variation. Due to their wide distribution range, snakes of the genus Platyceps Blyth, ۱۸۶۰ are wonderful case studies for morphological evaluation. In this study, ۴۹ specimens of the Platyceps rhodorachis-ventromaculatus species complex in four different geographic areas from Iran were examined using morphological characters. The results of statistical analysis did not show any sexual dimorphism except in the character of Gular scales (P value = ۰.۰۳۸), but did show significant variation in the number of scales and in other morphological characters among populations in this group. Generally, four morphological clusters were distinguished with Sistan and Baluchistan population being the most distinct from the others. Additionally, there was a visible slope of changes in some morphological characters associated with latitude, so that body size of the specimens increases with increasing latitude.

نویسندگان

Seyed Hassan Moradi

Department of biology, Faculty of science, Razi University, Kermanshah, Iran

‪Eskandar Rastegar Pouyani‬

Department of Biology, Faculty of Science, Hakim Sabzevari University, Sabzevar, Iran

Seyyed Saeed Hosseinian Yousefkhani

Department of Animal Science, School of Biology, Damghan University, Damghan, Iran

Jamil Zargan

Department of Biology, Faculty of Science, Imam Hossein University, Tehran, Iran