Sinking of floating plastic debris caused by biofilm development in a freshwater lake
文献类型：期刊论文
| 作者 | Chen, Xianchuan1,2; Xiong, Xiong1; Jiang, Xiaoming3; Shi, Huahong4; Wu, Chenxi1 |
| 刊名 | CHEMOSPHERE
 |
| 出版日期 | 2019-05-01 |
| 卷号 | 222页码:856-864 |
| ISSN号 | 0045-6535 |
| 关键词 | Plastic debris Lake Biofilm Buoyancy Seasonality |
| DOI | 10.1016/j.chemosphere.2019.02.015 |
| 通讯作者 | Wu, Chenxi(chenxi.wu@ihb.ac.cn) |
| 英文摘要 | Plastic pollution has been increasingly reported in both marine environment and inland waters, but their fate is not well understood. Several studies have showed that the surface of plastic debris can be colonized by microbes, leading to the sinking of floating plastic debris in marine environment. In this work, development of biofilm on polypropylene sheet (squares with a side length of 5 and 10 mm) and their buoyancy changes were studied in a freshwater lake in four seasons. Results showed that biofilm development have different growth rate and distinct algae composition in different seasons, which are mainly related to the difference in temperature, nutrient levels, and suspend solids in lake water. Biofilm development was much quicker on small plastics in all seasons. At the end of the experiment, all plastics lost buoyancy in summer while only a small portion lost buoyance in other seasons. Sinking of the floating plastics can be attributed to the development of biofilm and the trapped minerals. Our results demonstrated that biofilm development can cause the sinking of floating plastics in fresh lakes but the time required to lose buoyance can differ seasonally. Floating plastics will remain in water for a longer time in cold season but sink in a short time in warm season. Future research is required to determine the influence of plastic types and shapes, and quantitative relation between environmental variables and the sinking behavior of the fouled plastics should be established for a better prediction of their fate in the freshwater environment. (C) 2019 Elsevier Ltd. All rights reserved. |
| WOS关键词 | MICROPLASTIC POLLUTION ; MARINE-ENVIRONMENT ; PERIPHYTON ; TEMPERATURE ; ORGANISMS ; INGESTION ; COMMUNITY ; SEDIMENTS ; COASTAL ; BIOMASS |
| 资助项目 | National Natural Science Foundation of China[41877394] ; State Key Laboratory of Freshwater Ecology and Biotechnology[2016FBZ11] |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| WOS记录号 | WOS:000462109200097 |
| 资助机构 | National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology |
| 源URL | [http://ir.ihb.ac.cn/handle/342005/27866]  |
| 专题 | 水生生物研究所_水环境工程研究中心 |
| 通讯作者 | Wu, Chenxi |
| 作者单位 | 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 3.Xian Univ Technol, Inst Water Resources & Hydroelect Engn, Xian 710048, Shaanxi, Peoples R China 4.East China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Xianchuan,Xiong, Xiong,Jiang, Xiaoming,et al. Sinking of floating plastic debris caused by biofilm development in a freshwater lake[J]. CHEMOSPHERE,2019,222:856-864. |
| APA | Chen, Xianchuan,Xiong, Xiong,Jiang, Xiaoming,Shi, Huahong,&Wu, Chenxi.(2019).Sinking of floating plastic debris caused by biofilm development in a freshwater lake.CHEMOSPHERE,222,856-864. |
| MLA | Chen, Xianchuan,et al."Sinking of floating plastic debris caused by biofilm development in a freshwater lake".CHEMOSPHERE 222(2019):856-864. |
入库方式： OAI收割
来源：水生生物研究所
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