Comparative analysis of pine needles to determine the purity of the atmospheric air of the city of Minsk and the city of Pinsk
Keywords:
pollution, atmospheric air, biomonitoring, phytoindication, Pinus sylvestris L.Abstract
In recent years, there has been a high technogenic load on the environment. This leads to the entry of a large amount of pollutants into the city's air basin, which negatively affects both the state of the natural environment and the health of the population.
The quality of atmospheric air is the most important characteristic of the ecological state of any territory, therefore, monitoring, assessment and forecast of its pollution, as well as the development of recommendations for decision-making in the field of atmospheric air quality management are important tasks of monitoring carried out at observation points for the state of atmospheric air included in the State Register of observation points of the National Environmental Monitoring System in the Republic Belarus.
The article presents the results of studies (2019-2020) on the assessment of air pollution in four districts of the city of Minsk, as well as the city of Pinsk and the surrounding area.
According to the results of the assessment of the state of pine needles, it should be noted that due to the lower man-made load on plants, the pollution indicators of the city of Pinsk and nearby area for damage and drying of pine needles are much better (the proportion of damaged needles (2-3 class) is from 2% to 8%, the proportion of shrunken needles (2-3 class) is from 3% to 5%), compared with the results for four districts of Minsk (the proportion of damaged needles (2-3 grade) – from 6% to 27%, the proportion of shrunken needles (2-3 grade) – from 5% to 30%).
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