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生态危险度评定与环境毒理学的联系十分紧密，是当今环境科学的众多学科中发展最为迅速的一个新兴分支学科。本文综合美国环保署（ＥＰＡ）、加拿大环保局和欧州共同体的生态危险度评定指导原则和有关文献，结合作者在这方面的亲身经验，概括地介绍了生态危险度评定的主要内容和基本过程，以及生态危险度评定的实际应用。
The link between ecological risk assessment and environmental toxicology is very close and is one of the most rapidly emerging emerging branch disciplines in many environmental sciences. Based on the author’s personal experience in this area, the author summarizes the main content and basic process of ecological risk assessment based on the guidelines of ecological risk assessment of the EPA, Canadian Environmental Protection Agency and the European Community, As well as the practical application of ecological risk assessment.