Occurrence, spatial and temporal distribution, sources and ecological risk assessment of halogenated polycyclic aromatic hydrocarbons (HPAHs) in sediments of the East China Sea
文献类型：期刊论文
| 作者 | Zuo, Zi-Cen4; Liu, Shan-Shan2; He, Zhen4; Yang, Gui-Peng1,3,4 |
| 刊名 | ENVIRONMENTAL POLLUTION
 |
| 出版日期 | 2025-11-01 |
| 卷号 | 384页码:10 |
| 关键词 | Halogenated polycyclic aromatic hydrocarbons (HPAHs) Contamination characteristics Ecological risk assessment East China sea (ECS) |
| ISSN号 | 0269-7491 |
| DOI | 10.1016/j.envpol.2025.127021 |
| 通讯作者 | He, Zhen(zhenhe@ouc.edu.cn) |
| 英文摘要 | Halogenated polycyclic aromatic hydrocarbons (HPAHs) in marine environment have attracted increasing attention due to their persistence, bioaccumulation potential, and ecological toxicity. However, systematic investigations on their contamination levels, compositional distribution, and source apportionment in the surface sediments of the East China Sea (ECS) remain limited. In this study, 25 HPAHs were quantitatively analyzed in ECS surface sediments, revealing total concentrations ranging from 14.50 to 131.19 ng g(-1) dry weight (dw), with a mean value of 42.23 +/- 29.60 ng g(-1) dw. Notably, brominated PAHs (Br-PAHs: 30.74 +/- 24.46 ng g(-1) dw) exhibited significantly higher concentrations than chlorinated PAHs (Cl-PAHs: 11.49 +/- 6.18 ng g(-1) dw). Among the 25 HPAHs, 9-ClFle and 9-BrFle were identified as the most abundant compounds. Total HPAH concentrations across stations correlated positively with water depth, salinity, and dissolved oxygen, but negatively with temperature and chlorophyll a. Spatial patterns showed pronounced heterogeneity, with higher mean values in the south (65.85 ng g(-1) dw) than in the north (32.66 ng g(-1) dw). This distribution likely reflects combined influences of industrial emissions, hydrodynamic transport, and atmospheric deposition. Positive matrix factorization identified five sources: brominated flame retardant production (27.2 %), petrochemical and electronic waste (21.6 %), metal smelting (6.8 %), transport-related inputs (16.1 %), and regional atmospheric deposition (28.3 %). Ecological risk assessment using bioavailability-adjusted risk quotients (RQ(Biota)) indicated that brominated congeners posed higher potential risks than chlorinated ones, yet overall risks to aquatic organisms remained below the low-risk threshold. These findings underscore the anthropogenic-environmental interplay shaping HPAH distribution in ECS sediments and inform future management strategies. |
| WOS关键词 | POLYCHLORINATED-BIPHENYLS ; SURFACE SEDIMENTS ; RIVER ESTUARY ; POLLUTION ; PROFILES ; PARENT ; PBDES ; AIR |
| 资助项目 | National Natural Science Foundation of China[42276039] ; Natural Science Foundation of Shandong Province[ZR2021MD034] ; Taishan Scholars Project Special Fund Support[tspd20240805] |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:001589369200002 |
| 出版者 | ELSEVIER SCI LTD |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/203551]  |
| 专题 | 海洋研究所_海洋生态与环境科学重点实验室 |
| 通讯作者 | He, Zhen |
| 作者单位 | 1.Ocean Univ China, Inst Marine Chem, Qingdao 266100, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 3.Qingdao Marine Sci & Technol Ctr, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China 4.Ocean Univ China, Frontiers Sci Ctr Deep Ocean Multispheres & Earth, Key Lab Marine Chem Theory & Technol, Minist Educ, Qingdao 266100, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zuo, Zi-Cen,Liu, Shan-Shan,He, Zhen,et al. Occurrence, spatial and temporal distribution, sources and ecological risk assessment of halogenated polycyclic aromatic hydrocarbons (HPAHs) in sediments of the East China Sea[J]. ENVIRONMENTAL POLLUTION,2025,384:10. |
| APA | Zuo, Zi-Cen,Liu, Shan-Shan,He, Zhen,&Yang, Gui-Peng.(2025).Occurrence, spatial and temporal distribution, sources and ecological risk assessment of halogenated polycyclic aromatic hydrocarbons (HPAHs) in sediments of the East China Sea.ENVIRONMENTAL POLLUTION,384,10. |
| MLA | Zuo, Zi-Cen,et al."Occurrence, spatial and temporal distribution, sources and ecological risk assessment of halogenated polycyclic aromatic hydrocarbons (HPAHs) in sediments of the East China Sea".ENVIRONMENTAL POLLUTION 384(2025):10. |
入库方式： OAI收割
来源：海洋研究所
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