Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6358507 | Marine Pollution Bulletin | 2014 | 7 Pages |
Abstract
The concentrations of 16 individual and total polycyclic aromatic hydrocarbons (âPAHs) in sediments, roots and leaves of three mangrove swamps in Shenzhen, China, namely Futian, Baguang and Waterlands, were determined. The mean concentration of âPAHs in Futian (4480 ng gâ1) was significantly higher than that in Baguang (1262 ng gâ1) and Waterlands (2711 ng gâ1). Among the 16 PAHs, the concentration of naphthalene was the highest. Based on the ratios of phenanthrene/anthracene and fluoranthene/pyrene, PAHs in Futian and Waterlands came from petrogenic and pyrolytic sources, while Baguang was mainly from pyrolytic. More PAHs were accumulated in leaves, as reflected by its higher mean concentration of âPAHs (3697 ng gâ1) and bioconcentration factor of PAHs (BCF) (>1.5) than that in roots. The BCF values in plants collected from Futian were significantly higher than that from Waterlands. These results indicated that more attention should be paid to the PAH contamination in Futian.
Related Topics
Physical Sciences and Engineering
Earth and Planetary Sciences
Oceanography
Authors
Fenglan Li, Xiaokang Zeng, Junda Yang, Kai Zhou, Qijie Zan, Anping Lei, Nora F.Y. Tam,