Abstract:
In article results of studying of age structure of populations of Crataegus ambigua are given in gorges of
Mangystau Region. It is revealed that populations of Crataegus ambigua in natural populations are characterized
by different age structure and a state. Hawthorn populations in the gorge Karasay, Akmysh, Kezim and
Tulkili Sai it is possible to characterize as the young developing with prevalence the pre-generative of individuals;
in gorges Kendirly, Zhemsemsay and Sultan Epe — as unstable and restored after a long drought; in
gorges Samal and Emdikorgan — as steady middle-aged with prevalence of young and middle-aged generative
plants; in the gorge Karakosayym — as degrading and unstable. Additional security actions in gorges
Karakozayym, Kendirly, Zhemsemsay and to Sultan Epe are necessary for preservation of populations of a
rare and endemic plant a hawthorn doubtful and restoration of a condition of populations.
