Polycyclic aromatic hydrocarbons in bivalves from the Black Sea

IF 20.4 2区 环境科学与生态学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Maksim M. Donets, Aleksandra D. Borovkova, Maksim A. Belanov, Tatyana V. Boychenko, Vasiliy Yu. Tsygankov
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Abstract

Polycyclic aromatic hydrocarbons are ubiquitous occurring in the environment, they originate from various sources such as fossil fuels and combustion products, and some of them display toxic effects. Here, we review polycyclic aromatic hydrocarbons with emphasis on their sources and fate, environmental parameters based on their ratios, toxicity, socioeconomic impact of marine pollution, and polycyclic aromatic hydrocarbons in bivalves of the Back Sea, including Ukraine, Romania, Bulgaria, Turkey, and Russia. We observe that petrogenic pollution dominates in most regions, with phenanthrene being the predominant compound. Elevated polycyclic aromatic hydrocarbon levels were observed near major shipping routes, ports, and industrial zones, particularly along Turkey’s coast, the Constanța area in Romania, and Odessa in Ukraine. Lower contamination levels were recorded in less industrialized areas such as Bulgaria. Seasonal variations indicate higher polycyclic aromatic hydrocarbon concentrations during warmer months, likely influenced by increased recreational and shipping activities. Carcinogenic polycyclic aromatic hydrocarbons accounted for a substantial proportion of total pollutants in some areas, posing risks to marine biota and human health. While western and southern regions exhibit moderate to severe contamination, the eastern Black Sea remains understudied.

黑海双壳类动物中的多环芳烃
多环芳烃在环境中普遍存在,其来源多种多样,如化石燃料和燃烧产物,其中一些具有毒性作用。本文综述了多环芳烃的来源和命运,基于其比例的环境参数,毒性,海洋污染的社会经济影响,以及乌克兰,罗马尼亚,保加利亚,土耳其和俄罗斯等后海双壳类动物中的多环芳烃。我们观察到大部分地区以岩石污染为主,菲是主要的化合物。在主要航线、港口和工业区附近,特别是土耳其海岸、罗马尼亚Constanța地区和乌克兰敖德萨地区,观察到多环芳烃水平升高。在保加利亚等工业化程度较低的地区,污染水平较低。季节变化表明,多环芳烃浓度在温暖月份较高,可能受到娱乐和航运活动增加的影响。致癌性多环芳烃在某些地区的总污染物中占很大比例,对海洋生物群和人类健康构成风险。虽然西部和南部地区表现出中度到严重的污染,但黑海东部仍未得到充分研究。
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来源期刊
Environmental Chemistry Letters
Environmental Chemistry Letters 环境科学-工程:环境
CiteScore
32.00
自引率
7.00%
发文量
175
审稿时长
2 months
期刊介绍: Environmental Chemistry Letters explores the intersections of geology, chemistry, physics, and biology. Published articles are of paramount importance to the examination of both natural and engineered environments. The journal features original and review articles of exceptional significance, encompassing topics such as the characterization of natural and impacted environments, the behavior, prevention, treatment, and control of mineral, organic, and radioactive pollutants. It also delves into interfacial studies involving diverse media like soil, sediment, water, air, organisms, and food. Additionally, the journal covers green chemistry, environmentally friendly synthetic pathways, alternative fuels, ecotoxicology, risk assessment, environmental processes and modeling, environmental technologies, remediation and control, and environmental analytical chemistry using biomolecular tools and tracers.
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