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Impact of petroleum hydrocarbon and heavy metal pollution on coral reefs and mangroves: a review

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Abstract

Pollution by polycyclic aromatic hydrocarbons, lead, mercury, arsenic, cadmium, and chromium is impairing marine ecosystems. Here, we review the effect of these contaminants on coral reefs and mangrove ecosystems, with focus on reef fishes, algae, corals, and oil spills. We also discuss the effects of natural hydrocarbons. Some polycyclic aromatic hydrocarbons display carcinogenic and mutagenic properties. Heavy metals are highly toxic to most marine living organisms, causing reproductive failure, deoxyribonucleic acid damage, and neurological problems. Heavy metals accumulate through the food chain, ending up in humans who eat seafood. Mangroves and coral reefs can be severely impacted with diminished water quality, reduced biodiversity, compromised fish habitats, decreased fish catches, and damaged seagrass beds, ultimately affecting other coastal habitats.

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Acknowledgements

Prof. J. Cui acknowledges Science and Technology Innovation 2030 (2023ZD04062), the Youth Innovation Program of Chinese Academy of Agricultural Sciences (Y2023QC23), Young Elite Scientists Sponsorship Program by China Association for Science and Technology (2022QNRC001), Agricultural Science and Technology Innovation Program of Chinese Academy of Agricultural Sciences and China Agriculture Research System. Prof. M.Y. Choi acknowledges the Korea Basic Science Institute (National research Facilities and Equipment Center) grant funded by the Ministry of Education. (No. 2019R1A6C1010042, 2021R1A6C103A427). The authors Prof. M.Y. Choi and Dr. J. Theerthagiri acknowledges the financial support from National Research Foundation of Korea (NRF), (2022R1A2C2010686, 2022R1A4A3033528, 2021R1I1A1A01060380, 2019H1D3A1A01071209, 2021R1C1C2010726).

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PE, PP, JC, and MYC contributed to conceptualization, critical thinking, and writing original draft. XG, HS, and AR contributed to discussion and review editing. ASK, PD, and NRVG contributed to data collection. JT, AM, and MYC contributed review, proofread, and supervision.

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Correspondence to Punniyakotti Parthipan, Xueke Gao, Jinjie Cui or Myong Yong Choi.

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Elumalai, P., Parthipan, P., Gao, X. et al. Impact of petroleum hydrocarbon and heavy metal pollution on coral reefs and mangroves: a review. Environ Chem Lett 22, 1413–1435 (2024). https://doi.org/10.1007/s10311-024-01728-0

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  • DOI: https://doi.org/10.1007/s10311-024-01728-0

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