Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Department of Ecology, Jinan University, Guangzhou, 510632, China.
Bull Environ Contam Toxicol. 2014 Aug;93(2):204-8. doi: 10.1007/s00128-014-1310-x. Epub 2014 Jun 3.
The aim of this paper was to examine the sublethal toxic effects of nonylphenol ethoxylate (NP10EO), its primary degradation product nonylphenol (NP), and their mixture on Moina macrocopa. Chronic toxicity tests were carried out by using sublethal chemical concentrations. Results showed that all treatments reduced the survivorship, body length, and reproduction of M. macrocopa with NP being 10 %-20 % more toxic to M. macrocopa than NP10EO. Results also indicated that the toxic effects of NP10EO and NP mixture on M. macrocopa were more severe than that of any single chemical alone. At the highest concentration in this experiment, 0.337 mg L(-1) NP10EO plus 0.0154 mg L(-1) NP treatment caused the survivorship of M. macrocopa to zero, neonates number of reproductions to zero, 45.5 % reduction in the body length, and 88 % reduction in the total neonates number.
本文旨在研究壬基酚乙氧基化物（NP10EO）、其主要降解产物壬基酚（NP）及其混合物对大型溞（Moina macrocopa）的亚致死毒性效应。通过使用亚致死化学浓度进行慢性毒性试验。结果表明，所有处理均降低了大型溞的存活率、体长和繁殖率，NP 对大型溞的毒性比 NP10EO 高 10%-20%。结果还表明，NP10EO 和 NP 混合物对大型溞的毒性效应比任何单一化学物质单独作用更为严重。在本实验的最高浓度下，0.337mg/L NP10EO 加 0.0154mg/L NP 处理导致大型溞的存活率为零，繁殖的幼体数量为零，体长减少 45.5%，总幼体数量减少 88%。
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