Storojenko V. Alder forests of the middle reaches of the Seversky Donets river basin and optimization of theircultivation

Object - processes of growth and formation of modal alder forests in middle reaches of the Siversky Donets basin; the aim - study of alder forest stands condition, the dynamics of their productivity and features of formation, and development of recommendations on optimization of their cultivation; methods - silviculture, forest taxation, mathematical and statistical, modeling, correlation and regression analysis; novelty - determined patterns of growth and formation of modal and optimal black alder forest stands for conditions of the middle reaches of the Siversky Donets basin; determined the regularities of the product and assortment structure of alder forest stands, the peculiarities of natural regeneration of alder forest stands in different types of forest site conditions, defined the physical and mechanical properties of alder wood in different age; developed recommendations on optimization of alder stands cultivation; the results - developed yield models and tables for modal and optimal coppice alder forest stands; determined patterns and dynamics of product and assortment structure, defined maturity ages for alder forest stands, studied wood quality indicators in alder forest stands of different age, developed proposals on reproduction and formation of alder forest in middle reaches of the Siversky Donets basin; sphere of application - forestry.