
Проанализированы особенности полиморфизма по признакам рисунка окраски спины остромордой лягушки Rana arvali s в 12 локалитетах Приволжского федерального округа. Выявлено возрастание доли полосатых особей (морфа striata) и снижение фенотипического разнообразия от Поволжья к Зауралью. Установлено, что в большинстве трансформированных местообитаний отмечается снижение показателя разнообразия полиморфизма.
Peculiarities of polymorphism on features of pattern of back color of moor frog Rana arvalis in 12 localities of Volga Federal district were analyzed. The increase of share of striped specimens (morph striata) and decrease of phenotypic variety from Volga region to Trans-Urals were detected. The decrease of diversity indices of polymorphism was established in majority of transformed habitats.
ПОЛИМОРФИЗМ, ОСТРОМОРДАЯ ЛЯГУШКА, ПРИВОЛЖСКИЙ ФЕДЕРАЛЬНЫЙ ОКРУГ
ПОЛИМОРФИЗМ, ОСТРОМОРДАЯ ЛЯГУШКА, ПРИВОЛЖСКИЙ ФЕДЕРАЛЬНЫЙ ОКРУГ
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