Frequency of Iris Depigmentation in Urban Populations of Rana arvalis Frogs

Frequency of Iris Depigmentation in Urban Populations of Rana arvalis Frogs Russian Journal of Ecology, Vol. 35, No. 1, 2004, pp. 58–62. Translated from Ekologiya, No. 1, 2004, pp. 69–73. Original Russian Text Copyright © 2004 by Vershinin. SHORT COMMUNICATIONS Frequency of Iris Depigmentation in Urban Populations of Rana arvalis Frogs V. L. Vershinin Institute of Plant and Animal Ecology, Ural Division, Russian Academy of Sciences, ul. Vos’mogo Marta 202, Yekaterinburg, 620144 Russia Received August 30, 1999 Key words: amphibians, urbanization, iris depigmentation, anomalies, environmental mutagenicity. The absence of normal pigmentation of the iris is fering in the degree of anthropogenic transformation: widespread in many amphibian species, both anuran zone II, areas with multistory buildings; zone III, areas (Cain and Utesch, 1976) and urodelean (Dubois et al., with low buildings; zone IV, the park-forest belt; and C, 1973; Engelmann and Obst, 1976). This anomaly the control zone. Genetic analysis of the frogs has not apparently results from various nonhomologous muta- been performed, because this anomaly is mainly tions, including somatic mutations (Rostand, 1958; observed among postmetamorphic juveniles, as in the Dubois, 1979). In some species, such as axolotl and case of R. esculenta complex (Dubois, 1979). Hyla arborea, its manifestation may be determined by During the observation period, 10 953 Russian Journal of Ecology Springer Journals

Frequency of Iris Depigmentation in Urban Populations of Rana arvalis Frogs

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Kluwer Academic Publishers-Plenum Publishers
Copyright © 2004 by MAIK “Nauka/Interperiodica”
Life Sciences; Ecology
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