Quercus robur

Impact of environmental conditions on the vitality structure of the cenopopulations of the dominant tree tier in the forests of the southern part of the Volga Upland

Authors: Samsonova A. M.

The vitality structure of cenopulations of woody plants is formed under the influence of ecological, cenotic and anthropogenic influences. The study of the nature and degree of influence of the ecological parameters of the habitat will make it possible to predict the formation of the vitality structure of woody plants. The objects of study are individuals of the generative age state of three species of woody plants: Quercus robur, Tilia cordata, Acer platanoides. Environmental conditions of habitat were assessed by using range ecological scales.

Assessment of Tree Plantations in Residentialrecreational Area Sterlitamak Industrial Center

Authors: Ibragimova A. H., Tagirova O. V., Giniyatullin R. H., Kulagin A. Y.

The investigated stands of Betula pendula, Populus balsamifera, Tilia cordata, Larix sukaczewii, Picea abies. Karst in residential-recreational area of Sterlitamak industrial center. When collecting and processing factual material used generally accepted methods of studying of forest stands. Instrumental produced (diameter, height, age) and visual indication (the density of the crown, the degree of damage to leaves, dead branches) of diagnostic parameters. An estimation of the relative vitality of trees.