5种污染物对4种淡水无脊椎动物物种的急性毒性

[Acute toxicity of 5 pollutants on 4 fresh-water invertebrate species].

作者信息

Bluzat R, Rodriguez-Ruiz F J, Seugé J

出版信息

C R Acad Hebd Seances Acad Sci D. 1976 Oct 18;283(9):1089-92.

Abstract

The animals stay in solutions for 4 days at different concentrations of each agent: regression lines (log concentration-probit) allow us to calculate the lethal concentration values for 50% of the animals tested (LC 50). Animals are affected by concentrations ranging from 0,003 to 9,0 X 10(-6) of insecticides, 2 to 16 X 10(-6) of herbicide, 9 to 50 X 10(-6) of detergents. As a general rule, the four studied species can be classified by decreasing sensibility in the following order: Gammarus, Cloeon, Chaoborus and Lymnea.

摘要

将动物置于每种药剂不同浓度的溶液中4天：回归线（对数浓度-概率单位）使我们能够计算出50%受试动物的致死浓度值（半数致死浓度，LC50）。动物受到浓度范围为0.003至9.0×10⁻⁶的杀虫剂、2至16×10⁻⁶的除草剂、9至50×10⁻⁶的洗涤剂的影响。一般来说，所研究的四个物种按敏感性降低的顺序可分类如下：钩虾、蜉蝣、摇蚊和椎实螺。