интродукция

INTRODUCTION OF AMPHIBIANS AND REPTILES IN THE CAUCASUS AND CRIMEA: AN OVERVIEW AND SOME ACTUAL DATA

An overview of the cases of introduction (both accidental and intentional) of amphibians and reptiles in the Caucasus and Crimea is provided. The introduction cases are systemized in accordance with the goals and ways of introduction and with regards to the expected scale of the impact and its nature. No negative consequences of the introduction of amphibian and reptile species in the Crimea and Caucasus are currently observed on any of the known examples. No cases of species naturalization, which the “invasion” term can be applied to, have been revealed.

RANA TEMPORARIA IN THE KAMCHATKA: FORMATION OF THE FIRST POPULATION

The results of our first short-term study of a unique Rana temporaria population in May, 2015, are reported. This population was formed in the southern Kamchatka as a result of releasing 150 immature frogs in the spring of 2005. The numbers of breeding females was 2,648 in 2015. The activity season duration at the release locality (4 months) is 2 months shorter than that at the original locality of the translocated frogs in Moscow district.