Short-term toxicity of polystryrene microplastics on mysid shrimps Neomysis japonica

3rd International Conference on Energy Materials and Environment Engineering

能源学;生态环境科学

Wang, Mingxin^1 ; Wang, Xiao^1 ; Luo, Xianxiang^1 ; Zheng, Hao^1

Key Laboratory of Marine Environment and Ecology, Ministry of Education and College of Environmental Science and Engineering, Ocean University of China, Qingdao

266100, China^1

关键词: Green fluorescence;    Marine invertebrates;    Microplastics;    Physicochemical property;    Plastic debris;    Polystyrene beads;    Spherical shape;    Uniform size;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/61/1/012136/pdf
DOI  :  10.1088/1755-1315/61/1/012136

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Plastic debris especially microplastics (MPs) have become a global concern for the aggravating pollution in the oceans. In this study, the physico-chemical properties of fluorescently labeled polystyrene (PS) beads and the effects of PS-MPs on the survival of mysid shrimps (Neomysis japonica) were investigated. PS-MPs were identified to have spherical shape, uniform size and stable green fluorescence. The results showed that PS beads had little effects on the mortality of shrimps under a short-term (72 h) exposure with concentrations of 50 μg L-1and 500 μg L-1. However, PS-MPs had severe short-term toxicity on the survival of mysid shrimps, resulting in 30% mortality especially in a 72 h exposure with the higher concentration of 1000 μg L-1. These findings provide new insights into the toxic effects of MPs on marine invertebrates.