Main Article Content
Abstract
In this study, pollution zoning was mapped across all coastal areas of the Persian Gulf for three elements: seawater, sediments, and the Tigertooth croaker (Otolithes ruber). Four sampling regions were designated along the coast, from which 80 seawater samples, 80 sediment samples, and 40 fish samples were collected. In the present study, Inverse Distance Weighting (IDW) was used to map variations in heavy metals across different stations through spatial analysis using ArcGIS 10.7. To measure the levels of metals in the samples, Inductively Coupled Plasma Mass Spectrometry (ICP-MS) was employed. Results indicated that, in seawater, the concentrations of nickel (Ni), vanadium (V), and lead (Pb) decrease from the western to the eastern coasts. Similar results were observed for these metals in the sediments. This study is the first to produce a pollution map of the Persian Gulf coast, considering both sediment and seawater parameters. It is hoped that this method, or other modeling techniques, will replace traditional pollution detection methods in future research. This study could also pave the way for the development of other zoning models.
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The authors transfer the copyrights of their papers to the Iranian Society of Ichthyology. However, the information could be used in accordance with the Creative Commons licence (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
References
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- Adam J.; White Stephanie, S.; Kienast, Markus Kienast, Jessica C. & Garwood, Paul S. 2022. Hill; Analysis of common pre-treatments in grain-size analysis (using a grain-size standard). Journal of Sedimentary Research 92(4): 371-380.
- Allami, H.; Afzali, A. & Mirzaei, R. 2020. Determination and investigation of heavy metal concentrations in sediments of the Persian Gulf coasts and evaluation of their potential environmental risk. Analytical Methods in Environmental Chemistry Journal 3(04): 60-71.
- Bibak, M.; Sattari, M.; Agharokh, A.; Tahmasebi, S. & Imanpour Namin, J. 2018. Assessing some heavy metals pollutions in sediments of the northern Persian Gulf (Bushehr province). Environmental Health Engineering and Management Journal 5(3):175-179.
- Bibak, M.; Sattari, M.; Agharokh, A.; Tahmasebi, S. & Imanpour Namin, J. 2020. Marine macro algae as a bio-indicators of heavy metal pollution in the marine environments. Persian Gulf. Indian Journal of Geo-Marine Sciences 49(3): 3570363.
- Bibak, M.; Sattari, M.; Tahmaseb, S.; Kafaei, R.; Sorial, G.A. & Ramavandi, B. 2021. Trace and Major Elements Concentration in Fish and Associated Sediment–Seawater, Northern Shores of the Persian Gulf. Biological Trace Element Research 199: 2717-2729.
- Bibak, M.; Tahmasebi, S. & Sattari, M. 2023. Using empirical negative cumulative extropy and image quality assessment to determine the accumulation of elements in marine organisms. Marine Environmental Research 185: 0141-1136.
- Bibak, M.; Tahmasebi, S.; Sattari, M.; Kafaei, R. & Ramavandi, B. 2021. Empirical cumulative entropy as a new trace elements indicator to determine the relationship between algae-sediment pollution in the Persian Gulf, southern Iran. Environmental Science and Pollution Research 28: 4634-4644.
- Birch, G.F. 2007. A short geological and environmental history of the Sydney estuary, Australia. In: Birch, G.F (Ed.), Water, Wind, Art and Debate. Sydney University Press, the Sydney University, Australia, pp. 217-246, 433p.
- Birch, G.F.; McCready, S.; Long, E.R.; Taylor, S.E. & Spyrakis, G. 2008a. Contaminant chemistry and toxicity of sediments in Sydney Harbour, Australia: spatial extent and chemistry–toxicity relationships. Marine Ecology Progress Series 363: 71-87.
- Birch, G.F.; Russell, A.T. & Mudge, S.M. 2008b. Normalisation techniques in forensic assessment of contaminated environments. In: Ball, A.S. & Mudge, S.M. (Eds.), Methods in Environmental Forensics. Taylor and Francis Group, Boca Raton, FL, USA.
- Chen, M.; Jung, J.; Lee, Y.K.; Kim, T.W. & Hur, J. 2019. Production of tyrosine-like fluorescence and labile chromophoric dissolved organic matter (DOM) and low surface accumulation of low molecular weight-dominated DOM in a productive Antarctic sea, Marine Chemistry 213: 40-48.
- Damir, N.; Coatu, V.; Danilov, D.; Lazăr, L. & Oros, A. 2024. From Waters to Fish: A Multi-Faceted Analysis of Contaminants’ Pollution Sources, Distribution Patterns, and Ecological and Human Health Consequences. Fishes 9: 274.
- Fdez-Ortiz de Vallejuelo, M.; Linero, O.S.; Gredilla, A.; Arana, G.; Soto, M. & de & Diego, A. 2019. Long Term Monitoring of Metal Pollution in Sediments as a Tool to Investigate the Effects of Engineering Works in Estuaries. A Case Study, the Nerbioi-Ibaizabal Estuary (Bilbao, Basque Country). Marine Pollution Bulletin 145: 555-563.
- Forouhar Vajargah, M. & Bibak, M. 2022. Pollution zoning on the southern shores of the Caspian Sea by measuring metals in Rutilus kutum tissue. Biological Trace Element Research 200: 4465-4475.
- Forstner, U. & Calmano, W. 1998. Characterization of dredged materials. Water Science and Technology 38(11): 149-157.
- Gautam, S.; Yadav, A. & Tsai, C.J. 2016. A review on recent progress in observations, sources, classification and regulations of PM2.5 in Asian environments. Environmental Science and Pollution Research 23: 21165-21175.
- He, Z.L.; Yang, X.E. & Stoffella, P.J. 2005. Trace elements in agroecosystems and impacts on the environment, Journal of Trace Elements in Medicine and Biology 19: 125-140.
- Herawati, N.; Suzuki, S.; Hayashi, K.; Rivai, I.F. & Koyama, H. 2000. Cadmium, copper, and zinc levels in rice and soil of Japan, Indonesia, and China by soil type, Bulletin of Environmental Contamination and Toxicology 64(2000): 33-39.
- Huang, X.P.; Zhang, J.P. & Jiang, Z.J. 2015. Eco-environmental Effects of Nutrients Input Caused by Human Activities on the Semienclosed Bay and Its Management Strategy. Advanced Earth Sciences 30: 961-969.
- Ke, C.L.; Cao, K.M.; & Bi, X. 2016. Polycyclic aromatic hydrocarbons in surface sediments and marine organisms from the Daya Bay, South China. Marine Pollution Bulletin 103: 325-332.
- Ke, S.; Cheng, X-Y. & Zhang, N. 2015. Cadmium contamination of rice from various polluted areas of China and its potential risks to human health. Environmental Monitoring and Assessment 187: 408.
- Kearney, J. & Fisher, J. 2017. Integrating Marine Ecological and Economic Objectives: The Role of Marine Spatial Planning. Marine Policy 75: 1-8.
- Keshavarzi, B.; Hassanaghaei, M.; Moore, F.; Rastegari Mehr, M.; Soltanian, S.; Lahijanzadeh, A.R. & Sorooshian, A. 2018. Heavy metal contamination and health risk assessment in three commercial fish species in the Persian Gulf. Marine Pollution Bulletin 129: 245-252.
- Kim, J.J.; Kim, Y.S. & Kumar, V. 2019. Heavy metal toxicity: An update of chelating therapeutic strategies. Journal of Trace Elements in Medicine and Biology 54: 226-231.
- Leung, H.M.; Leung, A.O.W.; Wang, H.S.; Ma, K.K.; Liang, Y.; Ho, K.C.; Cheung, K.C.; Tohidi, F. & Yung, K.K.L. 2014. Assessment of heavy metals/metalloid (As, Pb, Cd, Ni, Zn, Cr, Cu, Mn) concentrations in edible fish species tissue in the Pearl River Delta (PRD), China. Marine Pollution Bulletin78: 235-245.
- Li, H.; Lin, L.; Ye, S.; Li, H. & Fan, J. 2017. Assessment of nutrient and heavy metal contamination in the seawater and sediment of Yalujiang estuary. Marine Pollution Bulletin 117: 499-506.
- Li, L.Q.; Hu, H.; Lv, X.L. & Liu, Q. 2020. Contents and Ecological Risk Assessment of Heavy Metals in Surface Sediments of the Central Bohai Sea and the Northern Yellow Sea. Trans. Journal of Oceanology and Limnology 1: 84-92.
- Łuczyńska, J.; Paszczyk, B. & Łuczyński, M.J. 2018. Fish as a bioindicator of heavy metals pollution in aquatic ecosystem of Pluszne Lake, Poland, and risk assessment for consumer's health. Ecotoxicology and Environmental Safety 153: 60-67 31.
- Markus, A. 2011. Role of GIS as a Tool for Environmental Planning and Management. International Journal of Research in Environmental Science 1(2): 8-9.
- Masindi, V.; & Muedi, K.L. 2018. Environmental contamination by heavy metals, in: Heavy Metals, In Tech.
- Mirza, R.; Moeinaddini, M.; Pourebrahim, S. & Zahed, M.A. 2019. Contamination, ecological risk and source identification of metals by multivariate analysis in surface sediments of the khouran straits, the Persian Gulf. Marine Pollution Bulletin 145: 526-535
- Norouzi, M. 2020. Evaluating the accumulation and consumption hazard risk of heavy metals in the fish muscles of species living in the waters of the Persian Gulf, Iran. Pollution 6(4): 849-862.
- Peng, Z.; Dong, M.L.; Hai, T.L.; Hong, D.F.; Chu, G.H.; Yu, S.Z.; Hong, B.Z.; Li, Z.; Jun, J.Z. & Hua, W. 2015. Distribution of radionuclides in a marine sediment core off the waterspout of the nuclear power plants in Daya Bay, northeastern South China Sea. Journal of Environmental Radioactivity 145: 102-112.
- Ranjbar Jafarabadi, A.; Mitra, S.; Raudonytė-Svirbutavičienė, E. & Riyahi Bakhtiari, A. 2020. Large-scale evaluation of deposition, bioavailability and ecological risks of the potentially toxic metals in the sediment cores of the hotspot coral reef ecosystems (Persian Gulf, Iran). Journal of Hazardous Materials 400: 122988.
- Sattari, M.; Bibak, M.; Bakhshalizadeh, S.; & Vajargah, M.F. 2020. Element Accumulations in Liver and Kidney Tissues of Some Bony Fish Species in the Southwest Caspian Sea. Journal of Cell and Molecular Research 12(1): 33-40
- Sattari, M.; Imanpour Namin, J.; Bibak, M.; ForouharVajargah, M.; & Mazareiy, M.H. 2020. Trace elements contamination in Alosa braschnikowi of the southern basins of Caspian Sea-Guilan Province. Journal of Animal Ecology 12(3): 115-122.
- Sattari, M.; Majidi, S.; Bibak, M.; & ForouharVajargah, M. 2020. Investigating the relationship between some element concentrations in liver and muscle of Vimba persa and growth indices during different seasons in the southwest coasts of the Caspian Sea. Aquaculture Research & Development 14(3): 43-53.
- Sepahi, A.; Gorgin, S.; Patimar, R. & Sadough Niri, A. 2023. Selectivity of tigertooth croaker (Otolithes ruber) gillnet in fishing grounds of Oman Sea, Iran. Indian Journal of Fisheries 70(2).
- Sharifinia, M.; Taherizadeh, M.; Namin, J.I. & Kamrani, E. 2018. Ecological risk assessment of trace metals in the surface sediments of the Persian Gulf and Gulf of Oman: evidence from subtropical estuaries of the Iranian coastal waters. Chemosphere 191: 485-493.
- Tchounwou, P.B.; Yedjou, C.G.; Patlolla, A.K. & Sutton, D.J. 2012. Heavy metal toxicity and the environment. Experientia Supplementum 101: 133-164.
- United Nations Environment Program. 2023. Coastal zone management. UNEP. Retrieved from https://www.unep.org.
- Ural, M.; Arca, S. & Ornekci, G.N. 2012. Metal accumulation in sediment, water, and freshwater fish in a Dam Lake. Toxicological & Environmental Chemistry 94(1): 49-55.
- Walker, C.H.; Sibly, R.M. & Hopkin, S.P. 2012. in: Principles of Ecotoxicology; Group, T. And F., Ed.; 4th Edition, CRC Press, 201.
- Wang, X.Y.; Zhao, L.L. & Xu, H.Z. 2018. Spatial and seasonal characteristics of dissolved heavy metals in the surface seawater of the Yellow River Estuary, China. Marine Pollution Bulletin 137: 465-473.
- Zhan, H.Q.; Rong, J.S.; Zong, H.Y.; Ting, T.H.; Chun, H.L.; Shu, M.X.; Shan, N.X. & Qing, Y.L.; Wei, Y. 2019. Nutrient release from fish cage aquaculture and mitigation strategies in Daya Bay, Southern China. Marine Pollution Bulletin 146: 399-407.
- Zhang, L.; Yan, W.; Xie, Z.; Cai, G.; Mi, W. & Xu, W. 2020. Bioaccumulation and changes of trace metals over the last two decades in marine organisms from Guangdong coastal regions, South China. Journal of Environmental Sciences 98: 103-108.
- Ziyaadini, M.; Yousefiyanpour, Z.; Ghasemzadeh, J. & Zahedi, M. 2017. Biota-sediment accumulation factor and concentration of heavy metals (Hg, Cd, As, Ni, Pb and Cu) in sediments and tissues of Chiton lamyi (Mollusca: polyplacophora: Chitonidae) in Chabahar Bay, Iran. Iran. Iranian Journal of Fisheries Sciences 16(4): 1123-1134.
References
Abdollahi, A.A.; Babazadeh, H.; Yargholi, B. & Taghavi, L. 2020. Zoning the Rate of Pollution in Domestic River Using Spatial Multi - Criteria Evaluation Model" Civil and Environmental Engineering 116(1): 49-62.
Adam J.; White Stephanie, S.; Kienast, Markus Kienast, Jessica C. & Garwood, Paul S. 2022. Hill; Analysis of common pre-treatments in grain-size analysis (using a grain-size standard). Journal of Sedimentary Research 92(4): 371-380.
Allami, H.; Afzali, A. & Mirzaei, R. 2020. Determination and investigation of heavy metal concentrations in sediments of the Persian Gulf coasts and evaluation of their potential environmental risk. Analytical Methods in Environmental Chemistry Journal 3(04): 60-71.
Bibak, M.; Sattari, M.; Agharokh, A.; Tahmasebi, S. & Imanpour Namin, J. 2018. Assessing some heavy metals pollutions in sediments of the northern Persian Gulf (Bushehr province). Environmental Health Engineering and Management Journal 5(3):175-179.
Bibak, M.; Sattari, M.; Agharokh, A.; Tahmasebi, S. & Imanpour Namin, J. 2020. Marine macro algae as a bio-indicators of heavy metal pollution in the marine environments. Persian Gulf. Indian Journal of Geo-Marine Sciences 49(3): 3570363.
Bibak, M.; Sattari, M.; Tahmaseb, S.; Kafaei, R.; Sorial, G.A. & Ramavandi, B. 2021. Trace and Major Elements Concentration in Fish and Associated Sediment–Seawater, Northern Shores of the Persian Gulf. Biological Trace Element Research 199: 2717-2729.
Bibak, M.; Tahmasebi, S. & Sattari, M. 2023. Using empirical negative cumulative extropy and image quality assessment to determine the accumulation of elements in marine organisms. Marine Environmental Research 185: 0141-1136.
Bibak, M.; Tahmasebi, S.; Sattari, M.; Kafaei, R. & Ramavandi, B. 2021. Empirical cumulative entropy as a new trace elements indicator to determine the relationship between algae-sediment pollution in the Persian Gulf, southern Iran. Environmental Science and Pollution Research 28: 4634-4644.
Birch, G.F. 2007. A short geological and environmental history of the Sydney estuary, Australia. In: Birch, G.F (Ed.), Water, Wind, Art and Debate. Sydney University Press, the Sydney University, Australia, pp. 217-246, 433p.
Birch, G.F.; McCready, S.; Long, E.R.; Taylor, S.E. & Spyrakis, G. 2008a. Contaminant chemistry and toxicity of sediments in Sydney Harbour, Australia: spatial extent and chemistry–toxicity relationships. Marine Ecology Progress Series 363: 71-87.
Birch, G.F.; Russell, A.T. & Mudge, S.M. 2008b. Normalisation techniques in forensic assessment of contaminated environments. In: Ball, A.S. & Mudge, S.M. (Eds.), Methods in Environmental Forensics. Taylor and Francis Group, Boca Raton, FL, USA.
Chen, M.; Jung, J.; Lee, Y.K.; Kim, T.W. & Hur, J. 2019. Production of tyrosine-like fluorescence and labile chromophoric dissolved organic matter (DOM) and low surface accumulation of low molecular weight-dominated DOM in a productive Antarctic sea, Marine Chemistry 213: 40-48.
Damir, N.; Coatu, V.; Danilov, D.; Lazăr, L. & Oros, A. 2024. From Waters to Fish: A Multi-Faceted Analysis of Contaminants’ Pollution Sources, Distribution Patterns, and Ecological and Human Health Consequences. Fishes 9: 274.
Fdez-Ortiz de Vallejuelo, M.; Linero, O.S.; Gredilla, A.; Arana, G.; Soto, M. & de & Diego, A. 2019. Long Term Monitoring of Metal Pollution in Sediments as a Tool to Investigate the Effects of Engineering Works in Estuaries. A Case Study, the Nerbioi-Ibaizabal Estuary (Bilbao, Basque Country). Marine Pollution Bulletin 145: 555-563.
Forouhar Vajargah, M. & Bibak, M. 2022. Pollution zoning on the southern shores of the Caspian Sea by measuring metals in Rutilus kutum tissue. Biological Trace Element Research 200: 4465-4475.
Forstner, U. & Calmano, W. 1998. Characterization of dredged materials. Water Science and Technology 38(11): 149-157.
Gautam, S.; Yadav, A. & Tsai, C.J. 2016. A review on recent progress in observations, sources, classification and regulations of PM2.5 in Asian environments. Environmental Science and Pollution Research 23: 21165-21175.
He, Z.L.; Yang, X.E. & Stoffella, P.J. 2005. Trace elements in agroecosystems and impacts on the environment, Journal of Trace Elements in Medicine and Biology 19: 125-140.
Herawati, N.; Suzuki, S.; Hayashi, K.; Rivai, I.F. & Koyama, H. 2000. Cadmium, copper, and zinc levels in rice and soil of Japan, Indonesia, and China by soil type, Bulletin of Environmental Contamination and Toxicology 64(2000): 33-39.
Huang, X.P.; Zhang, J.P. & Jiang, Z.J. 2015. Eco-environmental Effects of Nutrients Input Caused by Human Activities on the Semienclosed Bay and Its Management Strategy. Advanced Earth Sciences 30: 961-969.
Ke, C.L.; Cao, K.M.; & Bi, X. 2016. Polycyclic aromatic hydrocarbons in surface sediments and marine organisms from the Daya Bay, South China. Marine Pollution Bulletin 103: 325-332.
Ke, S.; Cheng, X-Y. & Zhang, N. 2015. Cadmium contamination of rice from various polluted areas of China and its potential risks to human health. Environmental Monitoring and Assessment 187: 408.
Kearney, J. & Fisher, J. 2017. Integrating Marine Ecological and Economic Objectives: The Role of Marine Spatial Planning. Marine Policy 75: 1-8.
Keshavarzi, B.; Hassanaghaei, M.; Moore, F.; Rastegari Mehr, M.; Soltanian, S.; Lahijanzadeh, A.R. & Sorooshian, A. 2018. Heavy metal contamination and health risk assessment in three commercial fish species in the Persian Gulf. Marine Pollution Bulletin 129: 245-252.
Kim, J.J.; Kim, Y.S. & Kumar, V. 2019. Heavy metal toxicity: An update of chelating therapeutic strategies. Journal of Trace Elements in Medicine and Biology 54: 226-231.
Leung, H.M.; Leung, A.O.W.; Wang, H.S.; Ma, K.K.; Liang, Y.; Ho, K.C.; Cheung, K.C.; Tohidi, F. & Yung, K.K.L. 2014. Assessment of heavy metals/metalloid (As, Pb, Cd, Ni, Zn, Cr, Cu, Mn) concentrations in edible fish species tissue in the Pearl River Delta (PRD), China. Marine Pollution Bulletin78: 235-245.
Li, H.; Lin, L.; Ye, S.; Li, H. & Fan, J. 2017. Assessment of nutrient and heavy metal contamination in the seawater and sediment of Yalujiang estuary. Marine Pollution Bulletin 117: 499-506.
Li, L.Q.; Hu, H.; Lv, X.L. & Liu, Q. 2020. Contents and Ecological Risk Assessment of Heavy Metals in Surface Sediments of the Central Bohai Sea and the Northern Yellow Sea. Trans. Journal of Oceanology and Limnology 1: 84-92.
Łuczyńska, J.; Paszczyk, B. & Łuczyński, M.J. 2018. Fish as a bioindicator of heavy metals pollution in aquatic ecosystem of Pluszne Lake, Poland, and risk assessment for consumer's health. Ecotoxicology and Environmental Safety 153: 60-67 31.
Markus, A. 2011. Role of GIS as a Tool for Environmental Planning and Management. International Journal of Research in Environmental Science 1(2): 8-9.
Masindi, V.; & Muedi, K.L. 2018. Environmental contamination by heavy metals, in: Heavy Metals, In Tech.
Mirza, R.; Moeinaddini, M.; Pourebrahim, S. & Zahed, M.A. 2019. Contamination, ecological risk and source identification of metals by multivariate analysis in surface sediments of the khouran straits, the Persian Gulf. Marine Pollution Bulletin 145: 526-535
Norouzi, M. 2020. Evaluating the accumulation and consumption hazard risk of heavy metals in the fish muscles of species living in the waters of the Persian Gulf, Iran. Pollution 6(4): 849-862.
Peng, Z.; Dong, M.L.; Hai, T.L.; Hong, D.F.; Chu, G.H.; Yu, S.Z.; Hong, B.Z.; Li, Z.; Jun, J.Z. & Hua, W. 2015. Distribution of radionuclides in a marine sediment core off the waterspout of the nuclear power plants in Daya Bay, northeastern South China Sea. Journal of Environmental Radioactivity 145: 102-112.
Ranjbar Jafarabadi, A.; Mitra, S.; Raudonytė-Svirbutavičienė, E. & Riyahi Bakhtiari, A. 2020. Large-scale evaluation of deposition, bioavailability and ecological risks of the potentially toxic metals in the sediment cores of the hotspot coral reef ecosystems (Persian Gulf, Iran). Journal of Hazardous Materials 400: 122988.
Sattari, M.; Bibak, M.; Bakhshalizadeh, S.; & Vajargah, M.F. 2020. Element Accumulations in Liver and Kidney Tissues of Some Bony Fish Species in the Southwest Caspian Sea. Journal of Cell and Molecular Research 12(1): 33-40
Sattari, M.; Imanpour Namin, J.; Bibak, M.; ForouharVajargah, M.; & Mazareiy, M.H. 2020. Trace elements contamination in Alosa braschnikowi of the southern basins of Caspian Sea-Guilan Province. Journal of Animal Ecology 12(3): 115-122.
Sattari, M.; Majidi, S.; Bibak, M.; & ForouharVajargah, M. 2020. Investigating the relationship between some element concentrations in liver and muscle of Vimba persa and growth indices during different seasons in the southwest coasts of the Caspian Sea. Aquaculture Research & Development 14(3): 43-53.
Sepahi, A.; Gorgin, S.; Patimar, R. & Sadough Niri, A. 2023. Selectivity of tigertooth croaker (Otolithes ruber) gillnet in fishing grounds of Oman Sea, Iran. Indian Journal of Fisheries 70(2).
Sharifinia, M.; Taherizadeh, M.; Namin, J.I. & Kamrani, E. 2018. Ecological risk assessment of trace metals in the surface sediments of the Persian Gulf and Gulf of Oman: evidence from subtropical estuaries of the Iranian coastal waters. Chemosphere 191: 485-493.
Tchounwou, P.B.; Yedjou, C.G.; Patlolla, A.K. & Sutton, D.J. 2012. Heavy metal toxicity and the environment. Experientia Supplementum 101: 133-164.
United Nations Environment Program. 2023. Coastal zone management. UNEP. Retrieved from https://www.unep.org.
Ural, M.; Arca, S. & Ornekci, G.N. 2012. Metal accumulation in sediment, water, and freshwater fish in a Dam Lake. Toxicological & Environmental Chemistry 94(1): 49-55.
Walker, C.H.; Sibly, R.M. & Hopkin, S.P. 2012. in: Principles of Ecotoxicology; Group, T. And F., Ed.; 4th Edition, CRC Press, 201.
Wang, X.Y.; Zhao, L.L. & Xu, H.Z. 2018. Spatial and seasonal characteristics of dissolved heavy metals in the surface seawater of the Yellow River Estuary, China. Marine Pollution Bulletin 137: 465-473.
Zhan, H.Q.; Rong, J.S.; Zong, H.Y.; Ting, T.H.; Chun, H.L.; Shu, M.X.; Shan, N.X. & Qing, Y.L.; Wei, Y. 2019. Nutrient release from fish cage aquaculture and mitigation strategies in Daya Bay, Southern China. Marine Pollution Bulletin 146: 399-407.
Zhang, L.; Yan, W.; Xie, Z.; Cai, G.; Mi, W. & Xu, W. 2020. Bioaccumulation and changes of trace metals over the last two decades in marine organisms from Guangdong coastal regions, South China. Journal of Environmental Sciences 98: 103-108.
Ziyaadini, M.; Yousefiyanpour, Z.; Ghasemzadeh, J. & Zahedi, M. 2017. Biota-sediment accumulation factor and concentration of heavy metals (Hg, Cd, As, Ni, Pb and Cu) in sediments and tissues of Chiton lamyi (Mollusca: polyplacophora: Chitonidae) in Chabahar Bay, Iran. Iran. Iranian Journal of Fisheries Sciences 16(4): 1123-1134.