Ecological effect assessment by species sensitivity distribution for 38 pesticides with various modes of action.

IF 1.5 4区 农林科学 Q2 ENTOMOLOGY Journal of Pesticide Science Pub Date : 2021-11-20 DOI:10.1584/jpestics.D21-034
Takashi Nagai
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Abstract

Species sensitivity distributions (SSDs) of 38 pesticides with various modes of action were analyzed as a higher-tier ecological effect assessment based on collected acute toxicity data. Then the 5% hazardous concentrations (HC5) based on each SSD were calculated as the predicted no-effect concentrations for aquatic ecosystems. The differences between HC5 and registration criteria were small (within ten-fold) for 35 of the 38 pesticides. However, there were more than ten-fold differences for a fungicide and two herbicides. These results suggest that the current effect assessment scheme could underestimate the effect of such pesticides. This could be caused by differences in sensitivity of specific properties of the mode of action.

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38种不同作用方式农药的物种敏感性分布生态效应评价。
根据收集到的急性毒性数据,对 38 种具有不同作用模式的农药的物种敏感性分布(SSD)进行了分析,作为更高层次的生态效应评估。然后,根据每个 SSD 计算出 5%的有害浓度(HC5),作为水生生态系统的预测无效应浓度。在 38 种农药中,有 35 种农药的 HC5 与登记标准之间的差异很小(在 10 倍以内)。然而,一种杀真菌剂和两种除草剂的 HC5 与登记标准之间的差异超过十倍。这些结果表明,目前的效果评估方案可能低估了这些农药的效果。这可能是由于作用模式的特定属性的敏感性不同造成的。
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来源期刊
Journal of Pesticide Science
Journal of Pesticide Science 农林科学-昆虫学
CiteScore
4.30
自引率
4.20%
发文量
28
审稿时长
18-36 weeks
期刊介绍: The Journal of Pesticide Science publishes the results of original research regarding the chemistry and biochemistry of pesticides including bio-based materials. It also covers their metabolism, toxicology, environmental fate and formulation.
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