Functional Activity of the Antioxidant System of Genus Plants in the Republic of Buryatia (Russia) and Its Significance in Plant Adaptation.

Plants are sessile organisms and any changes in environmental factors activate various responses and defense mechanisms. plants widely inhabit harsh conditions of arid and semiarid ecosystems. Using two species-a subshrub, , and an annual-biennial herb, -the functioning of the antioxidant system of plants in semiarid territories have been examined.

Essential Oils of Plants (Asteraceae): Conservatism and Lability of the Composition.

Plants of arid regions have adapted to harsh environments during the long span of their evolution and have developed a set of features necessary for their survival in water-limited conditions. Willd. (Asteraceae) is a widely distributed species possessing significant cenotic value in steppe ecosystems due to its high frequency and abundance.