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首页> 外文期刊>Estuarine Coastal and Shelf Science >Microplastics occurrence and spatial distribution in seawater and sediment of Haikou Bay in the northern South China Sea
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Microplastics occurrence and spatial distribution in seawater and sediment of Haikou Bay in the northern South China Sea

机译：南海北部海口海湾海水和海口湾沉积物的微塑料发生和空间分布

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摘要

This study investigated microplastics (MPs) pollution in Haikou Bay in the northern South China Sea (SCS). Eight sampling sites were selected on the basis of their functions as hotel-intensive areas, public beaches, harbors, municipal discharge sites, and public waters. A total of 1053 putative plastic particles of which 1019 were from seawater and 34 from sediment were collected using 333 mu m nylon Neuston nets and a bottom collector, respectively. The results showed that the abundance of MPs ranged from 0.26 to 0.84 items/m(3) (hereafter defined as n/m(3)) in the surface water and 0.66 +/- 0.58 n/50 g (d.w.)-17.00 +/- 6.56 n/50 g (d.w.) in the sediment of Haikou Bay. For the surface seawater samples, the predominant MPs were fibers (83.12%) in rayon (52.73%). For the sediment samples, MPs were predominantly in fibers (67.65%), while PE (28.41%), polyolefin (25.50%), rayon (23.53%) were frequently detected. MPs are widely found in coastal seawater and sediment, but with different abundance in different functional areas. A higher abundance of MPs was found in the seawaters of public beaches and sediments of sewage discharge ditches. Our results highlight the occurrence of MPs in Haikou Bay, and we also offer field study results for the evaluation of environmental risks posed by MPs in the northern SCS.
机译：本研究在南海北部海口湾（SCS）调查了Microplastics（MPS）污染。根据其职能选择八个采样网站，作为酒店 - 密集型地区，公共海滩，港口，市政场，市政场和公共水域。使用333μm尼龙Neuuston网和底部收集器收集来自海水和沉积物的1019的1053个推定的塑料颗粒。结果表明，在地表水中的0.26至0.84件（以下定义为N / M（3））的MPS的丰度范围为0.66 +/- 0.58N / 50g（DW）-17.00 + / - 6.56 n / 50 g（dw）在海口湾的沉积物中。对于地面海水样品，主要的MPS是人造丝（52.73％）的纤维（83.12％）。对于沉积物样品，MPS主要在纤维中（67.65％），而PE（28.41％），经常检测到聚烯烃（25.5.50％），人造丝（23.53％）。 MPS广泛发现在沿海海水和沉积物中，但在不同的功能区具有不同的丰富。在公共海滩海水和污水排放沟渠的沉积物中发现了较高丰富的MPS。我们的结果突出了海口湾的MPS发生，我们还提供现场研究结果，以评估北部SCS中的国会议员造成的环境风险。

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  • 来源
    《Estuarine Coastal and Shelf Science》 |2020年第jul5期|106757.1-106757.8|共8页
  • 作者

    Qi Huaiyuan; Fu Dongdong; Wang Zezheng; Gao Mengyi; Peng Licheng;

  • 作者单位

    Hainan Univ Coll Ecol & Environm Haikou 570228 Hainan Peoples R China|Hainan Univ Key Lab Agroforestry Environm Proc & Ecol Regulat Haikou 570228 Hainan Peoples R China;

    Hainan Univ Coll Ecol & Environm Haikou 570228 Hainan Peoples R China|Hainan Univ Key Lab Agroforestry Environm Proc & Ecol Regulat Haikou 570228 Hainan Peoples R China;

    Hainan Univ Coll Ecol & Environm Haikou 570228 Hainan Peoples R China|Hainan Univ Key Lab Agroforestry Environm Proc & Ecol Regulat Haikou 570228 Hainan Peoples R China;

    Hainan Univ Coll Ecol & Environm Haikou 570228 Hainan Peoples R China|Hainan Univ Key Lab Agroforestry Environm Proc & Ecol Regulat Haikou 570228 Hainan Peoples R China;

    Hainan Univ Coll Ecol & Environm Haikou 570228 Hainan Peoples R China|Hainan Univ Key Lab Agroforestry Environm Proc & Ecol Regulat Haikou 570228 Hainan Peoples R China;

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  • 正文语种 eng
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  • 关键词

    Microplastics; Spatial distribution; Seawater; Sediment; Haikou Bay;

    机译：微塑料;空间分布;海水;沉积物;海口湾;

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