نوع مقاله : زیست شناسی (جانوری)
نویسندگان
گروه زیست شناسی، دانشکده علوم، دانشگاه گلستان، گرگان، صندوق پستی: 155
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Of the 22 species of amphibians in Iran, 15 species of frogs and toads (Anura), belonging to 8 genera and 5 families and the other are the salamanders (caudata). This study was conducted on the Pelophylax ridibundus, is known as the Marsh frog. Specimens collected from the Tonekabon city (Mazandaran Province. Then 21 morphometric and most important morphological characters were studied in the laboratory. Behavioral study and habitat survey also examined samples during collection. The results of study of 95 specimens (37 females,86 males) during one years of field work showed that this species has a olive green dorsal with separated dark spots which are rarely seen in the hands. Ventral surface is white and contains several black spots which are seen only in some specimens. The sex ratio of male to female was 2 to 1 in this study. The results of statistical study showed that the data are normal and there areall the variables between males and femalessignificant difference the level of 0.05.
کلیدواژهها [English]