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      Bioavailability of polycyclic aromatic hydrocarbons (PAHs) to short-neck clam (Paphia undulata) from sediment matrices in mudflat ecosystem of the west coast of Peninsular Malaysia.

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          Abstract

          The bioaccumulation and bioavailability of polycyclic aromatic hydrocarbons (PAHs) were characterized in sediment and Paphia undulata (short-neck clam) from six mudflat areas in the west coasts of Peninsular Malaysia. The concentrations of total PAHs varied from 357.1 to 6257.1 and 179.9 ± 7.6 to 1657.5 ± 53.9 ng g (-1) dry weight in sediment and short-neck clam samples, respectively. PAHs can be classified as moderate to very high level of pollution in sediments and moderate to high level of pollution in short-neck clams. The diagnostic ratios of individual PAHs and principal component analysis indicate both petrogenic and pyrogenic sources with significant dominance of pyrogenic source. The first PAHs biota-sediment accumulation factors and relative biota-sediment accumulation factors data for short-neck clam were obtained in this study, indicating a preferential accumulation of lower molecular weight PAHs. Evaluation of PAH levels in sediments and short-neck clams indicates that short-neck clam could be introduced as a good biomonitor in mudflats. The results also demonstrated that under environmental conditions, the sedimentary load of hydrocarbons appears to be one of the factors controlling their bioavailability to biota.

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          Author and article information

          Journal
          Environ Geochem Health
          Environmental geochemistry and health
          Springer Nature
          1573-2983
          0269-4042
          Jun 2017
          : 39
          : 3
          Affiliations
          [1 ] Faculty of Environmental Studies, Environmental Forensics Research Center (ENFORCE), Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia. mkf1759@yahoo.com.
          [2 ] Faculty of Environmental Studies, Environmental Forensics Research Center (ENFORCE), Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
          [3 ] Institute of Ocean and Earth Sciences (IOES), University of Malaya, 50603, Kuala Lumpur, Malaysia.
          [4 ] School of Biological Science, Universiti Sains Malaysia, 11800, Minden, Pulau Pinang, Malaysia.
          Article
          10.1007/s10653-016-9835-z
          10.1007/s10653-016-9835-z
          27216263
          da1a72aa-0bdb-47a1-be9d-3c03bfc11e79
          History

          Bioavailability,Biomonitor,Mudflat ecosystem,Paphia undulata (short-neck clam),Peninsular Malaysia,Polycyclic aromatic hydrocarbons (PAHs)

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