Genetic polymorphism and natural selection within populations of Haloxylon aphyllum under Kyzylkum saline desert environments
Haloxylon aphyllum (black saxaul) is tree-like shrub with photosynthetic succulent shoots, hemixerophyte, halophyte with C4 type of photosynthesis and the main edificators of Central Asia deserts. Increase of the anthropogenic impacts on the natural and human disturbed desert ecosystems leads to negative changes in the botanical diversity of plant associations, to decreasing of species genetic diversity, and as a result reduces the productivity and functioning of arid ecosystems. A significant factor in the stability of desert woody plants is their intraspecific polymorphism. The spatial organization of populations of desert species carries important information about the results of their interaction with environmental factors and among themselves.