Lisovets' O. The biological and ecological characteristic of associations Poa pratensis L. and Poa angustifolia L. in conditions steppe of Dnipro river region (rational use, protection and reproduction)

The associations and coenopopulations Poa pratensis and Poa angustifolia. The biogeocoenological and ecological substantiation of rational use, protection and reproduction the plant associations Poa pratensis and Poa angustifolia in the Dnipro river steppe region. The methods of route and permanent geobotanical works, statistical analysis used. The sinecological characteristic of these cereals is given, the ecomorphical structure them phytocenoses is investigated. With the help of the complete correlation analysis the morphological and ecological organization of communities Poa angustifolia is opened. The coenopopulations of this kind are investigated in structural and dynamic aspects. The recommendations for creation and effective application in culture Poa pratensis and Poa angustifolia in steppe of Dnipro river region are worked out.