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Macrodebris and microplastic distribution in the beaches of Rameswaram Coral Island, Gulf of Mannar, Southeast coast of India: A first report

机译:印度东南沿海马纳尔湾拉梅斯瓦拉姆珊瑚岛海滩上的大碎片和微塑性分布:首次报告

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This is the first study on the distribution and characteristics of plastic debris found in the sediments of Rameswaram Island, Gulf of Mannar, India. Studies on the distribution of plastics and microplastic content in highly populated coral islands and their impact on the coral ecosystem are very scarce. For this purpose, marine sediment samples were collected from 20 locations along the coastal areas of the study region. The distribution and characterization study was carried out by visual examination followed by FTIR spectroscopy. The results showed abundance of white-colored and irregular-shaped plastic debris in this study area. Polypropylene was identified as a dominant polymer variety, followed by polyethylene, polystyrene, nylon, and polyvinyl chloride. Tourist activities and fishing practices were found to be the possible sources of the microplastic debris. Additionally, the distribution of the plastics was found to be dominantly controlled by the aeolian process and the nature of the coast.
机译:这是对印度马纳尔湾拉梅斯瓦拉姆岛沉积物中发现的塑料碎片分布和特征的首次研究。关于人口稠密的珊瑚岛中塑料和微塑性含量的分布及其对珊瑚生态系统影响的研究非常匮乏。为此,从研究区域沿海地区的20个地点收集了海洋沉积物样本。分布和表征研究通过目视检查,然后进行FTIR光谱进行。结果表明,在该研究区域中有大量白色和不规则形状的塑料碎片。聚丙烯被认为是主要的聚合物品种,其次是聚乙烯,聚苯乙烯,尼龙和聚氯乙烯。发现游客活动和钓鱼活动可能是微塑料碎片的可能来源。另外,发现塑料的分布主要受风化过程和海岸的性质控制。

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