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A review on current knowledge and future prospects of organohalogen contaminants (OHCs) in Asian birds

Abstract : The release of harmful chemicals in the Asian environment has recently increased dramatically due to rising industrial and agricultural activities. About 60% of the global human population is currently living on the Asian continent and may thus be exposed to a large range of different chemicals. Different classes of organohalogen chemicals have indeed been reported in various environmental compartments from Asia including humans andwildlife, but this issue has received less attention in birds. In this article, we reviewed the available literature on levels of legacy persistent organic pollutants (POPs) and various flame retardants (FRs) in Asian avifauna to analyze the existing pool of knowledge as well as to identify the gaps that should be addressed in future research. Furthermore, we discussed the variation in levels of organohalogens based on differences in regions, trophic level, dietary sources and migratory behaviors of species including distribution patterns in different tissues of birds. Although the mass of published literature is very low and even absent in many important regions of Asia, we deduced from the reported studies that levels of almost all classes of organohalogens (OHCs) including FRs were highest in East Asian countries such as Japan, China and South Korea, except for HCHs that were found at maximum levels in birds of South India. Concentrations (ng/g LW) of different OHCs in Asian birds ranged between
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Submitted on : Wednesday, May 27, 2020 - 12:58:07 PM
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Naeem Akhtar Abbasi, Riffat Naseem Malik, Adrien Frantz, Veerle Leontina Bernard Jaspers. A review on current knowledge and future prospects of organohalogen contaminants (OHCs) in Asian birds. Science of the Total Environment, Elsevier, 2016, 542, pp.411-426. ⟨10.1016/j.scitotenv.2015.10.088⟩. ⟨hal-02633582⟩



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