关于生态毒理学与环境毒理学几个基本概念的见解

对生态毒理学和环境毒理学的几个基本概念进行了论述.首先,论述生态毒理学和环境毒理学的定义和各自的研究范畴,提出二者区分的条件和方法;其次,对“毒物”和“非毒物”的概念进行论述,否定了“物质即毒物”的论点;第三,论述“靶器官”概念的局限性及其对学科发展的不利影响,提出以“敏感器官”概念代替“靶器官”的见解.

Discussion on Some Essential Concepts of Ecotoxicology and Environmental Toxicology

In this paper, some concepts of ecotoxicology and environmental toxicology were studied and discussed. Firstly, definiens of"ecotoxicology"and"environmental toxicology"and their respective researching field were described,also some methods/conditions were suggested how to confirm the distinction between ecotoxicology and environmental toxicology;Secondly, the concepts of"toxicant"and"untoxicant"were studied and discussed, the viewpoint of"substance namely toxicant"was negatived; Thirdly, disadvantage of"target organ"concept and its blight to researching and realizing toxic role of toxicant, the view that the"target organ"concept to be replaced by"sensitivity organ"was suggested.