Variability of alarm call in ground squirrels of major group (Rodentia, Sciuridae, Spermophilus) as a model of geographic species formation

The variability of alarm calls in ground squirrels of the major group was analyzed. Parameters of polynomial equations were used as variables for characterizing the frequency modulation of signals. The range of the populations discussed is from the Volga River to the Gobi Altai. Four main clusters of the populations were distinguished based on the results of multivariate analysis. They correspond with four species of ground squirrels: (1) Spermophilus carruthersi (Thomas 1912); (2) S. brevicauda (Brandt 1843); (3) S. erythrogenis (Brandt 1841); and (4) S. major (Pallas 1778). Brakes in the variability between the population groups (main clusters) are clearly marked by four geographical barriers: (1) Turgai; (2) Balkhash-Alakol; (3) Irtysh-Zaisan; and (4) Tarbagatai. Three of these barriers separating populations of the major group are in southeastern Kazakhstan. The results obtained correspond to the concept of geographical species formation (Meyr 1944).

Авторы
Журнал
Номер выпуска
8
Язык
Русский
Страницы
1008-1017
Статус
Опубликовано
Том
83
Год
2004
Организации
  • 1 Russ. Univ. of Peoples Friendship, Moscow 113093, Russian Federation
  • 2 Faculty of Geography, Moscow State University, Moscow 119899, Russian Federation
Ключевые слова
Rodentia; Sciuridae; Spermophilus; Spermophilus major
Дата создания
19.10.2018
Дата изменения
19.10.2018
Постоянная ссылка
https://repository.rudn.ru/ru/records/article/record/3572/