Discussion on Some Essential Concepts of Ecotoxicology and Environmental Toxicology
关于生态毒理学与环境毒理学几个基本概念的见解

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.