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Learn the fundamental principles and applications of ecotoxicology in this comprehensive Chinese-language course, exploring environmental pollutants, their migration and transformation processes, and their effects on organisms and ecosystems. Master the concepts of toxicological effects at molecular, individual, community, and ecosystem levels while studying experimental approaches using microcosms, mesocosms, and field studies. Examine risk assessment methodologies for harmful pollutants, including mixture effects and whole effluent toxicity testing, and investigate China's environmental criteria research. Apply ecotoxicological principles to contemporary environmental challenges such as personal care products (PCPs), microplastic pollution in aquatic environments, and the emergence and spread of antibiotic resistance genes.