Individual and Joint Toxicity of Three Chloroacetanilide Herbicides to Freshwater Cladoceran Daphnia carinata

被引：19
|
作者：
He, Hongzhi [1 ]
Chen, Guikui [1 ]
Yu, Jing [1 ,2 ]
He, Jinbo [1 ]
Huang, Xiaolong [1 ]
Li, Shufeng [1 ]
Guo, Qiu [1 ]
Yu, Tianhong [1 ]
Li, Huashou [1 ]
机构：
[1] South China Agr Univ, Key Lab Agroecol & Rural Environm, Guangdong Regular Higher Educ Inst, Key Lab Agroenvironm Trop,Minist Agr, Guangzhou 510642, Guangdong, Peoples R China
[2] Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab Fishery Ecol & Environm, Guangzhou 510300, Peoples R China
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2013年 / 90卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Daphnia carinata; Chloroacetanilide herbicides; Acute toxicity; COMPARATIVE SENSITIVITY; ALGAL TOXICITY; RIVER WATER; DEGRADATION; BUTACHLOR; MIXTURES; ATRAZINE;
D O I：
10.1007/s00128-012-0898-y
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Individual and joint toxicity of three chloroacetanilide herbicides to a freshwater cladoceran were studied. The 48 h-LC50 values of alachlor, acetochlor and butachlor to Daphnia carinata Dc42 were 11.1, 11.8 and 3.45 mg L-1, respectively. The toxicity was significantly (p < 0.05) related to hydrophobicity. The additive indexes of binary mixtures of three herbicides were less than zero and it showed antagonism. The body length of D. carinata treated with high concentration of herbicides was shorter than that of control group significantly (p < 0.05). It suggests that joint actions must be considered when assessing the acute toxicity of chloroacetanilide herbicides to D. carinata.
引用
收藏
页码：344 / 350
页数：7
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