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首页> 外文期刊>Journal of Environmental Science and Health >Historical trends analysis of 2004 to 2009 toxicity and pesticide data for California's central valley
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Historical trends analysis of 2004 to 2009 toxicity and pesticide data for California's central valley

机译:加利福尼亚中部山谷2004年至2009年毒性和农药数据的历史趋势分析

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摘要

The goals of this study were to conduct temporal trends analysis of 2004-2009 toxicity and pesticide data sets for four Central Valley Water Quality Coalitions in California. The general conclusions from analysis of 6 years of toxicity and pesticide data from these Central Valley Coalitions is that a significant decline has occurred with Ceriodaphnia toxicity, diazinon concentrations and chlorpyrifos concentrations. There was no data to support a significant increase in toxicity or pesticide concentrations from any of the data sets analyzed from 2004 to 2009. In addition, the percent of diazinon and chlorpyrifos samples exceeding water quality objectives of these organophosphate insecticides has also declined significantly from 2004 to 2009. Interpretation of all toxicity and pesticide data used in this analysis within a "weight of evidence context" suggests that water quality conditions have generally improved in the Central Valley Region of California from 2004 to 2009.
机译:这项研究的目的是对加利福尼亚的四个中央谷地水质联盟进行2004-2009年毒性和农药数据集的时间趋势分析。根据对这些中央谷地联盟的6年毒性和农药数据的分析得出的一般结论是,粉虱的毒性,二嗪农浓度和毒死rif浓度已显着下降。从2004年到2009年的任何数据集,都没有数据支持毒性或农药浓度的显着增加。此外,超出这些有机磷酸盐杀虫剂水质指标的二嗪农和毒死samples样品的百分比从2004年以来也大大下降了。到2009年。在“证据权重范围内”对本分析中使用的所有毒性和农药数据的解释表明,从2004年至2009年,加利福尼亚州中谷地区的水质状况总体上得到了改善。

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