著者
早坂 大亮 鈴木 一隆 是永 知子 諸岡(斎藤) 歩希 野村 拓志 深澤 圭太 Francisco Sánchez-Bayo 五箇 公一
出版者
日本農薬学会
雑誌
日本農薬学会誌 (ISSN:21870365)
巻号頁・発行日
vol.38, no.2, pp.101-107, 2013-08-20 (Released:2014-03-01)
参考文献数
36
被引用文献数
6 or 0

The effects of two successive annual treatments of imidacloprid and fipronil on dragonfly nymph communities, which are one of the best-known bioindicators in Japanese agroecosystems, were monitored in experimental paddies. The abundance of dragonfly nymphs was lower in both insecticides-treated fields than it was in the controls, particularly following fipronil treatments. Residues of both insecticides were found in the soil throughout the two years, and imidacloprid persisted in water up to three months following each treatment. A Principal Response Curve analysis (PRC) showed that the second annual treatments caused greater structural changes in dragonfly nymph communities than the initial treatments caused, particularly for fipronil. The community structures continued to change even after the insecticides dissipated from the water. This suggests that ecological impacts, and therefore risks, of imidacloprid and fipronil on dragonfly nymph communities depend more on soil residues than they do on waterborne residues. As expected, susceptibility of dragonfly nymphs to these two insecticides differed among species.

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オベンキョ。イミダクロプリドおよびフィプロニル....。https://t.co/fQ8eOIJzVl
イミダクロプリドおよびフィプロニルを有効成分とする育苗箱施用殺虫剤の連続施用がトンボ類幼虫の群集に及ぼす生態影響 >イミダクロプリド剤の暴露によりアキアカネの幼虫の成長率が低下するとともに羽化異常の割合が増加したと指摘 https://t.co/82hX21qTCA

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