Gamulya Y. The biogeocenological characteristics on halophytes oak forest (dubrav) of Steppe Pridneprovia, their preservation, renewal and rational use.

The dissertation is devoted to the problems of ecology and pedology of halophytic forest and forest soil in the Step zone on Ukraine. The review of the Ukrainian and foreign literature is represented. An analysis has been made of the halophytes oak forest (dubrava) on the Dnieper river tributaries. The methodology of studies of flood plain saline soil under the dubrav's biogeocenoses. Represents the valley rivers Orel' and Samara oak forest biogeocenoses investigations. There is described the characteristics of the vertical structe of forest biogeocoenosis. It was established that in the floodplain of steppe rivers the transformation of pedagenous processes the halophytes oak forest are specifically. The new halophytes Debra's types was proposed for addition to the Steppe Zone on Ukraine forest typology scheme. The application spheres nature protection and training courses.