Impact of trophic levels on partitioning and bioaccumulation of polycyclic aromatic hydrocarbons in particulate organic matter and plankton
文献类型： 外文期刊
作者： Li, Haiyan 1 ; Duan, Dandan 1 ; Beckingham, Barbara 2 ; Yang, Yu 1 ; Ran, Yong 1 ; Grathwohl, Peter 2 ;
作者机构： 1.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem,Guangdong Prov Key La, Guangdong Hong Kong Macao Joint Lab Environm Poll, Guangzhou 510640, Peoples R China
2.Eberhard Karls Univ Tubingen, Ctr Appl Geosci, Holderlinstr 12, D-72074 Tubingen, Germany
3.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Guangzhou 510380, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
关键词： Polycyclic aromatic hydrocarbons; Phytoplankton; Trophic levels; Partition coefficient; Bioconcentration factor; Pearl River Delta
期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：5.553； 五年影响因子：5.907 ）
ISSN： 0025-326X
年卷期： 2020 年 160 卷
页码：
收录情况： SCI
摘要： The distribution and bioconcentration of polycyclic aromatic hydrocarbons (PAHs) in water, suspended particulate material (SPM), algae, and zooplankton samples from the Pearl River Delta (PRD), South China, were investigated. The PAHs in the water and SPM samples is significantly associated with chlorophyll a (Chl a), implying the important role of the aquatic productivity on PAH distribution. PAHs in the water or SPM samples were strongly correlated to dissolved organic carbon (DOC) or algal particulate organic carbon (A-POC). Moreover, the log bioconcentration factor (BCF) values (mL g(-1)) of PAHs in both the algae and zooplankton samples were linearly related to their log octanol-water coefficient (Kow) values. However, the slopes of these relationships were negatively correlated with Chl a, attributing to the difference in the dominant plankton species or the non-equilibrium exchange between air-water-biota. The above results indicate the important role of trophic levels on the distribution and bioaccumulation of PAHs.
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