Effect of polystyrene microplastics and temperature on growth, intestinal histology and immune responses of brine shrimp
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Effect of polystyrene microplastics and temperature on growth, intestinal histology and immune responses of brine shrimp Artemia franciscana* HAN Xuekai#, ZHENG Yuyu#, DAI Chaoling, DUAN Hu, GAO Meirong, Md Rayhan ALI, SUI Liying** Asian Regional Artemia Reference Center, Tianjin Key Laboratory of Marine Resources and Chemistry, College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China Received Mar. 24, 2020; accepted in principle May 18, 2020; accepted for publication Jun. 28, 2020 © Chinese Society for Oceanology and Limnology, Science Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Microplastics pollution and seawater temperature rise have been the major environmental issues, threatening the survival and biodiversity of marine organisms. This study evaluated the combined effect of temperature and polystyrene microplastics (MP) on Artemia, a filter-feeding crustacean that is widely used for environmental toxicology studies. Brine shrimp Artemia franciscana were exposed to three MP concentrations (0, 0.2, and 2.0 mg/L) and three temperatures (22, 26, and 30 °C) for 14 d. In general, higher MP concentration and temperature led to a decreased survival rate and growth. Two-way ANOVA analysis indicated that the survival rate of Artemia was significantly impacted by both MP concentration and temperature (P0.05). Growth of Artemia was significantly impacted by temperature (P
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