Abstract
The right-bank Polissia of Ukraine is one of the most wooded regions of Ukraine. Its forests affect the climate of Eastern Europe. At the same time as performing many useful functions, the forests of the region also perform significant environmental contributions to carbon accumulation. Determination of the quantitative indicators of carbon deposition and the proportion of participation of different forest stands in these processes is extremely relevant in current environmental conditions. To study the density of phytomass and deposited carbon we used the methodology of data collection and analysis developed by P. I. Lakida. In the process of research on the accumulation of trunk wood and carbon deposition of the main wood-forming tree species in the forests of Right-Bank Polissia, the components of phytomass and its density were calculated. It was established that the forests of the study region cover an area of 1946.4 thousand hectares, the productivity of trunk wood stock is 419.5 million m3. Among the wood-forming tree species pinewood is the largest in the volume of the deposited carbon and produced phytomass. The planting of oak by area and total stock of trunk wood is inferior to planting pine. Carbon density in oak stands is higher comparing to other tree species and the total density in all study areas. The excess is in the range of 9.6 % (Rivne region) to 22.4 % ("Zhytomyroblagrolis" forests). The density of the oak phytomass exceeds the average indicators of the forests phytomass density of the region as a whole and its largest values are recorded in the oak forests of Rivne region (21.1 kg/m2). The results of the research indicate the expediency of expanding the area of valuable tree species, first of all, the oak plantations taking into account its considerable bioproductivity and the ability to provide a high level of phytomass and carbon density. In the future it is promising to explore the possibility of carbon deposition by all the components of forest ecosystems.
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