Institute of Forensic Medicine and Laboratory Medicine, Jining Medical University, No.133 Hehua Road, Taibai Lake New District, Jining, Shandong, China.
Laboratory for Plankton, College of Marine Life Sciences, Ocean University of China, Qingdao, Shandong, China.
Environ Geochem Health. 2021 Nov;43(11):4759-4769. doi: 10.1007/s10653-021-00948-5. Epub 2021 May 11.
Tetrabromobisphenol-A (TBBPA) is a typical persistent organic pollutant (POP) that is harmful to the environment and organisms. It easily accumulates in organisms and is transmitted along the food chain or food web for long distances and long periods of time. The experiment was designed to assess the TBBPA pollution levels in marine environments via environmental sample testing and risk assessment. TBBPA levels in seawater and zooplankton samples at each station (n = 38) were detected, whereafter the bioaccumulation factor (BAF) and risk quotient (RQ) were calculated to evaluate the potential bioaccumulation and ecological risk of TBBPA to zooplankton, respectively. The results showed that TBBPA was widely detected in surface seawater and zooplankton samples in the Yellow Sea and Bohai Sea, with levels ranging from ND (non-detected) to 0.46 μg/L and ND to 9.83 μg/kg (wet weight), respectively. In both the Yellow Sea and Bohai Sea, the distance from the shore was one of the main factors affecting the TBBPA concentration in seawater, regardless of visibility. The BAF was significantly correlated with the TBBPA content in zooplankton samples (P < 0.01), which ranged from 372.32 to 29,941.55, indicating that TBBPA exhibits an obvious bioaccumulation risk to marine zooplankton. The ecological risk assessment indicated that TBBPA levels in seawater pose a high ecotoxicity risk to zooplankton (RQ > 1). This finding suggests that both the significant bioaccumulation of TBBPA in marine ecosystems and its potential ecological risks cannot be ignored.
四溴双酚 A（TBBPA）是一种典型的持久性有机污染物（POP），对环境和生物具有危害性。它容易在生物体内积累，并通过食物链或食物网进行长距离和长时间的传递。本实验旨在通过环境样品测试和风险评估来评估海洋环境中的 TBBPA 污染水平。检测了每个站位的海水和浮游动物样品中的 TBBPA 水平（n=38），然后计算生物积累因子（BAF）和风险商（RQ），以分别评估 TBBPA 对浮游动物的潜在生物积累和生态风险。结果表明，TBBPA 在黄海和渤海的表层海水中以及浮游动物样品中广泛检出，浓度范围分别为 ND（未检出）至 0.46μg/L 和 ND 至 9.83μg/kg（湿重）。在黄海和渤海，无论能见度如何，距岸距离都是影响海水中 TBBPA 浓度的主要因素之一。BAF 与浮游动物样品中 TBBPA 含量呈显著正相关（P<0.01），范围为 372.32 至 29,941.55，表明 TBBPA 对海洋浮游动物具有明显的生物积累风险。生态风险评估表明，海水中 TBBPA 水平对浮游动物具有高生态毒性风险（RQ>1）。这一发现表明，TBBPA 在海洋生态系统中的显著生物积累及其潜在的生态风险不容忽视。
