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The Distribution of Insecticides, Pesticides and Polychlorinated Biphenyls in the Sediments of the Barents Sea

Authors: Polina Lemenkova;

The Distribution of Insecticides, Pesticides and Polychlorinated Biphenyls in the Sediments of the Barents Sea

Abstract

Current paper reviews the problem of the ecological sustainability of the Barents Sea. One of the most dangerous groups of anthropogenic pollutants in the Arctic seas is organochlorine compounds, represented by the following species: hexochlorocyclohexane (a-HCH, g-HCH), pesticides (DDT, DDD, DDE) and polychlorobiphenyls (PCB). Of this group of pollutants, polychlorinated biphenyls (PCBs) are briefly reviewed. More than 70 thousand tons of PCBs have been discharged to the environment. Most of them are concentrated in the ocean waters. At the same time, the accumulation of this substance in the waters is 1.5 times higher than that in the continental ecosystems which makes ocean areas more vulnerable towards environmental pollution. The oceans can be considered as the ultimate reservoir for the accumulation of these pollutants. The paper briefly reports the main problems of the pollution by insecticides, pesticides and polychlorobiphenyls in the bottom sediments of the Barents Sea.

В настоящей статье рассматривается проблема экологической устойчивости Баренцева моря. Одной из наиболее опасных групп антропогенных загрязнителей в арктических морях являются хлорорганические соединения, представленные следующими видами: гексохлорциклогексан (а-ГХГ, г-ГХГ), пестициды (ДДТ, ДДД, ДДЭ) и полихлорированные дифенилы (ПХД). Из этой группы загрязнителей рассматриваются полихлорированные бифенилы (ПХД). Более 70 тысяч тонн ПХБ было сброшено в окружающую среду. Большинство из них сосредоточены в водах океана. В то же время накопление этого вещества в водах больше, чем в континентальных экосистемах, что делает его более уязвимым для загрязнения окружающей среды. Океаны могут рассматриваться в качестве основного резервуара для накопления этих загрязнителей. В статье представлены проблемы загрязнения инсектицидами, пестицидами и полихлорированными бифенилами в донных отложениях Баренцева моря.

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Italy
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Keywords

Marine Pollution, Marine Sustainability, Ocean Observations, Arctic Ocean, Sustainable Development, Environmental Monitoring, Environmental Management, Marine environment biomonitoring, [SDU.STU.OC] Sciences of the Universe [physics]/Earth Sciences/Oceanography, geography, Marine ecology, Barents Sea, Arctic Ocean, [SDU.STU.GC] Sciences of the Universe [physics]/Earth Sciences/Geochemistry, [CHIM] Chemical Sciences, Marine environments, Marine & Freshwater Sciences, Marine environment, environmental monitoring, [SDU.STU.GL] Sciences of the Universe [physics]/Earth Sciences/Glaciology, [SDU.OCEAN] Sciences of the Universe [physics]/Ocean, Atmosphere, marine ecology, Marine environment monitoring, Ocean observation, [SDU.ENVI] Sciences of the Universe [physics]/Continental interfaces, environment, [SDU.STU.AG] Sciences of the Universe [physics]/Earth Sciences/Applied geology, environmental assessment, [SDU.STU.HY] Sciences of the Universe [physics]/Earth Sciences/Hydrology, [SDU.STU.ST] Sciences of the Universe [physics]/Earth Sciences/Stratigraphy

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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