Examination of barnacles’ potential to be used as bioindicators of persistent organic pollutants in coastal ecosystem: A Malaysia case study

Vaezzadeh, Vahab and Thomes, Margaret William and Kunisue, Tatsuya and Tue, Nguyen Minh and Zhang, Gan and Zakaria, Mohamad Pauzi and Affendi, Yang Amri and Yap, Fook Choy and Chew, Li Lee and Teoh, Hong Wooi and Lee, Choon Weng and Bong, Chui Wei (2021) Examination of barnacles’ potential to be used as bioindicators of persistent organic pollutants in coastal ecosystem: A Malaysia case study. Chemosphere, 263. p. 128272. ISSN 0045-6535

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Official URL: https://doi.org/10.1016/j.chemosphere.2020.128272

Abstract

Barnacles are ubiquitous in coastal ecosystems of different geographical regions worldwide. This is the first study attempting to assess the suitability of barnacles as bioindicators of persistent organic pollutants (POPs) in coastal environments. Barnacles were collected from the coasts around Peninsular Malaysia and analyzed for POPs including polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs) and organochlorine pesticides (OCPs). Among POPs, PCBs showed the highest concentrations with elevated contributions of CB28 and CB153. As for PBDEs, BDE47 was the most frequently detected congener, while BDE209 was detected in barnacles from two stations in Port Klang and the levels reached up to >70% of total PBDE concentrations. Concentrations of OCPs detected in barnacles were in the order of CHLs > DDTs > HCHs > HCB and 4,4′-DDE and cis- and trans-chlordane were the predominant OCP compounds. A comparison with previous studies in Malaysia showed consistent levels of POPs. Green mussels collected from selected barnacles’ habitats, for the sake of a comparison, showed almost similar profiles but lower concentrations of POPs. The spatial distribution of POPs observed in barnacles and comparison of POP levels and profiles with mussels indicated that barnacles can be useful bioindicators for monitoring POPs contamination in the coastal ecosystems. © 2020 Elsevier Ltd

Item Type: Article
Uncontrolled Keywords: Bivalve; POPs; Bioindicator; Barnacle; Mussel; Malaysia
Subjects: Q Science > QD Chemistry
Q Science > QH Natural history
Divisions: Faculty of Science > Institute of Biological Sciences
Deputy Vice Chancellor (Research & Innovation) Office > Institute of Ocean and Earth Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 May 2021 03:38
Last Modified: 07 May 2021 03:38
URI: http://eprints.um.edu.my/id/eprint/25968

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