Holiaka D. Phytomass autochthonous willows in Chernihiv Polessye.

The dissertation focuses on the quality and quantity indicators of the components aboveground phytomass shrubs autochthonous willows: Salix cinerea L., Salix caprea L., Salix pentandra L. and Salix triandra L., also phytomass stems, thickets and roots S. cinerea in natural phytocenoses Chernihiv Polessye. The distribution peculiarities of investigated species and their bioecological properties are established. Methodological aspects estimation of aboveground and underground phytomass components of shrubby willows are highlighted. The mathematical models for evaluation of phytomass in absolutely dry condition of the shrubs are developed. The results of the statistical analysis of experimental data are given. Carried out theoretical basis and practical implementation of normative-informative support in the form of look-up tables to assess resource and environmental capacity of shrubs autochthonous species of willows. Identified application of remote sensing opportunities for formations identification of shrubby willows and evaluation of their biometric indicators.