Heavy metals accumulatіon іn pіne forest ecosystems under atmospherіc pollutіon by thermal power plant emіssіons
Journal Title: Лісівництво і агролісомеліорація - Year 2016, Vol 129, Issue
Abstract
Ukrainian Research Institute of Forestry and Forest Melioration named after G. M. Vysotsky The results of research of heavy metals accumulation in various components of ecosystems in pine forests of the industrial zone of Zmiev Thermal Power Plant are presented. The studies were based on methods of comparative ecology. The sample plots were located on the ecological profile on 4 to 28 km from the Zmіev Thermal Power Plant. The concentration index (Іc) was defined as the ratio of the element content in the investigated object to its content in the control. It was shown that the release of emissions into the atmosphere is the primary cause of pollution and negative changes not only in an aerotope (air, precipitation), but also in a trophotope (litter and soil). By the level of concentration index, soils are less contaminated by heavy metals than the litter. In the needles, the mean value of concentration indices is determined. In the industrial zone, the ash and heavy metals content in the needles increases with the aging. The main source of litter contamination is the sedimentation of ash emissions on the earth's surface. The obtained data on the mortmass reserves of the litter allowed determining the value of the total pollution of this ecosystem component. The proportion of heavy metals increases downward along the litter profile. The extremely big difference is between the litter and humus layers of the litter. Heavy metals storage in the H layer is tens or even hundreds of times larger than in the L layer.
Authors and Affiliations
V. Voron
Keywords
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