Environ Geochem Health https://doi.org/10.1007/s10653-018-0107-y ORIGINAL PAPER Effects of mangrove plant species on accumulation of heavy metals in sediment in a heavily polluted mangrove swamp in Pearl River Estuary, China . . . Minwei Chai Ruili Li Nora Fung Yee Tam Qijie Zan Received: 30 December 2017 / Accepted: 29 March 2018 Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract The present study compared accumulation accumulation, and S. apetala is more efﬁciently of heavy metals in a mangrove swamp dominated by working as a pollution barrier than K. obovata. Kandelia obovata with that by Sonneratia apetala in Pearl River Estuary, China. The results showed that Keywords Sonneratia apetala Kandelia obovata the concentrations of heavy metals at all sediment Sediment Heavy metal Pearl River Estuary depths in the S. apetala site were signiﬁcantly higher than that in K. obovata. The geo-accumulation index and potential ecological risk index also showed that S. apetala sediment had a higher contamination of heavy Introduction metals, especially Cd. S. apetala signiﬁcantly altered the biogeochemical cycles of Cd, lead (Pb), nickel (Ni) Mangroves are important intertidal estuarine wetlands and chromium (Cr). In S. apetala sediment, TOC that provide a unique ecological environment
Environmental Geochemistry and Health – Springer Journals
Published: Jun 6, 2018
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