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Bioaccumulation and Cycling of Polycyclic Aromatic Hydrocarbons (PAHs) in Typical Mangrove Wetlands of Hainan Island, South China
Qiu, Yao-Wen; Qiu, Han-Lin; Li, Jun2; Zhang, Gan2
2018
Source PublicationARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
ISSN0090-4341
Volume75Issue:3Pages:464
AbstractMangrove wetlands are important coastal ecosystems in tropical and subtropical regions, and mangrove sediments and tissues often are the pollutant sinks due to their high organic matter contents. Polycyclic aromatic hydrocarbons (PAHs) in the mangrove sediments and tissues of nine species from three typical mangrove wetlands of Hainan Island were studied. The average concentration of PAHs in all mangrove tissues was 403 ng g(-1) dw, with PAHs concentrations in leaf, branch, root, and fruit of 566, 335, 314, and 353 ng g(-1) dw, respectively. PAHs levels were much higher in leaf than in other mangrove tissues, which may be caused partly by atmospheric deposition of PAHs. The dominant individual PAH compounds in mangrove tissues were phenanthrene (41.3%), fluoranthene (14.7%), and pyrene (11.4%), while in sediments were naphthalene (73.4%), phenanthrene (3.9%), and pyrene (3.6%), respectively. The biota-sediment accumulation factors of PAH congeners in the mangrove wetlands showed different patterns, with the most predominant of phenanthrene. The cycling of PAHs in the mangrove wetlands of Hainan Island also were estimated, and the results showed that the standing accumulation, the annual absorption, the annual net retention, the annual return, and the turnover period in all mangrove tissues of the community were 2228 A mu g m(-2), 869 A mu g m(-2) a(-1), 206 A mu g m(-2) a(-1), 663 A mu g m(-2) a(-1), and 3.4 a, respectively. These results indicated that mangroves are playing an important role in retaining PAHs. [GRAPHICS] .
DepartmentLTO
DOI10.1007/s00244-018-0548-4
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17571
Collection热带海洋环境国家重点实验室(LTO)
Affiliation1.Chinese Acad Sci, State Key Lab Trop Oceanog, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
2.Hubei Univ, Sch Mat Sci & Engn, Wuhan 430062, Peoples R China
3.Chinese Acad Sci, State Key Lab Organ Geochem, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Qiu, Yao-Wen,Qiu, Han-Lin,Li, Jun,et al. Bioaccumulation and Cycling of Polycyclic Aromatic Hydrocarbons (PAHs) in Typical Mangrove Wetlands of Hainan Island, South China[J]. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2018,75(3):464, 475.
APA Qiu, Yao-Wen,Qiu, Han-Lin,Li, Jun,&Zhang, Gan.(2018).Bioaccumulation and Cycling of Polycyclic Aromatic Hydrocarbons (PAHs) in Typical Mangrove Wetlands of Hainan Island, South China.ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,75(3),464.
MLA Qiu, Yao-Wen,et al."Bioaccumulation and Cycling of Polycyclic Aromatic Hydrocarbons (PAHs) in Typical Mangrove Wetlands of Hainan Island, South China".ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 75.3(2018):464.
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