Toxicity and bioaccumulation of fipronil in the nontarget arthropodan fauna associated with subalpine mosquito breeding sites

被引：47

作者：

Chaton, PF ^{[1
]}

Ravanel, P ^{[1
]}

Tissut, M ^{[1
]}

Meyran, JC ^{[1
]}

机构：

[1] Univ Grenoble 1, Lab Ecosyst & Changements Environm, Ctr Biol Alpine, F-38041 Grenoble 9, France

来源：

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY | 2002年 / 52卷 / 01期

关键词：

fipronil; biocidal activity; bioaccumulation; aquatic environment; Diptera; Crustacea;

D O I：

10.1006/eesa.2002.2166

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In order to examine ecological impact of fipronil use for larval culicine control in natural hydrosystems, toxicity and bioaccumulation of this new insecticide were analyzed on aquatic species representative of the nontarget arthropodan fauna (non-culicine larval Diptera: Chaoboridae, Chironomidae; planktonic Crustacea: Cladocera, Copepoda, Ostracoda) associated with target larval mosquito populations in the subalpine breeding sites. Standard toxicological bioassays using fipronil aqueous solutions from I to 2000 nM indicated different sensitivity levels among species. Insecticide bioaccumulation analyses, using [C-14]fipronil solutions in simplified laboratory ecosystem, also indicated large differences among species. These differences may come from biological parameters characteristic of each species. Taking into account these nontarget effects of fipronil, a possible strategy of use of this insecticide for integrated mosquito control management was proposed, which is based upon selective dietary absorption of the insecticide by larval Culicidae. (C) 2002 Elsevier Science (USA).

引用

页码：8 / 12

页数：5

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