Microplastic pollution in the Indian Ocean: Passageways and the contamination of the open ocean and its marine environment
作者机构：Department of ZoologyThe Open University of NawalaNawala 11222Sri Lanka Department of ZoologyUniversity of PeradeniyaPelledenier 20400Sri Lanka
出 版 物：《Toxicology Advances》 (毒理学前沿)
年 卷 期：2023年第5卷第2期
页 面：21-33页
主 题：micro plastics Indian Ocean contamination floating litter
摘 要：Microplastics(MPs)are man-made litter receiving current conversation of interest as a silent pollutant to *** impact is high on the coastal waters,sediment and organisms of the marine *** is a pertinent requirement to investigate the microplastic MP contamination in the marine environment of the Asian region aiming at the world’s 3rd largest ocean,the Indian *** the different samples,Indian Ocean water and deep-sea sediment samples have mostly been investigated covering the Southwestern Sumatran region(Eastern Indian Ocean)which is a well-known domestic and industrial shipping *** of the tested samples were in the form of granules,fibers and fragments of 100-500μm and 38-6,330μm in size range respectively in deep-sea sediment samples and in ocean water ***,the prominent MPs types were PVC(polyvinyl chloride),PP(polypropylene)synthetic micro debris,Poly methyl methacrylate PMMA plastic micro debris,PTFE(polytetrafluoroethylene),and *** plastic debris has also been found on surface ocean waters in the Eastern Indian Oceanic region as an emergent floating *** size range and the percentage abundance were documented as 0.5-5 mm and 50%***,the Western Indian Oceanic region has reported the highest percentage abundance of MPs in ocean waters(10.48%).These MPs were assumed to derive from fiber or fishing line material,regional fishery activities and the sewage disposal debris of tourist-based coastline anthropogenic *** polymer-specific sources that release this potential pollutant were not yet accurately *** review article elaborates on the topic by reviewing the MPs’pervasiveness,identifying different passageways and sources of discharging MPs to the Indian Ocean and finally the ecological and socio economic risks of the ***,it may highlight the knowledge gaps which more research studies should be focused on.
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