4.7 Article

Impacts of leachates from single-use polyethylene plastic bags on the early development of clam Meretrix meretrix (Bivalvia: Veneridae)

期刊

MARINE POLLUTION BULLETIN
卷 142, 期 -, 页码 54-57

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2019.03.029

关键词

Plastic debris; Leachate; Toxicity; Clam; Larva

资金

  1. National Key Research and Development Program [2017YFB0903703]
  2. Natural Science Foundation of Guangdong Province [2018A030313136]
  3. Guangzhou Science and Technology Planning Project [201707010163]
  4. National Natural Science Foundation of China [41876129]
  5. Science and Technology Planning Project of Guangdong Province [2017B030314052]
  6. Institution of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences [ISEE2018PY03]

向作者/读者索取更多资源

Plastic debris in the oceans is a major and growing problem in global environmental pollution. There are increasing concerns that plastic debris is a source of contaminant, either added during manufacturing or adsorbed from the environment. However, there is little information about the acute toxicity of leachates from plastic debris on marine organisms. In this study, we conducted experiments to evaluate the toxicity of leachates from two single-use polyethylene plastic bags (PB1 and PB2) with the embryo and larvae of the commercial clam Meretrix meretrix. Results showed that fertilization of the embryos was not affected by plastic leachates, but the developments of D-veliger larvae, including survival, deformity, and shell height, were significantly affected by plastic leachates from both PB1 and PB2 compared to the controls of filtered seawater. We speculate that compounds leaching from plastic bags are responsible for the observed toxicity. Therefore, leaching toxicity from plastic debris should be considered when assessing the risks of plastic pollution in the oceans.

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