用地理空间方法绘制农药使用的时间趋势,并确定非职业人口的潜在暴露,使用地理空间方法
Elisa Jazan1, Timothy Griffin2, Mark Woodin3
1Department of Civil and Environmental Engineering, Tufts University School of Engineering, 200 College Ave, Medford, MA, 02155, USA. Elisa.Jazan@tufts.edu.
Scientific reports
|July 2, 2025
概括
农药暴露的风险正在上升,大豆上的2,4-D除草剂使用量显著增加. 地理空间分析显示,农田附近越来越多的人口面临潜在的暴露,突出了需要进一步研究的领域.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 地理空间分析的研究.
背景情况:
- 由于数据缺口和日益增加的农业化学品使用,估计农药暴露具有挑战性.
- 除草剂2,4-D被广泛用于大豆等作物,这引起了附近居民的担忧.
- 抗杂草和转基因作物有助于增加除草剂的应用,如2,4-D.
研究的目的:
- 为了分析2,4-D除草剂在伊利诺伊州大豆上使用的时空趋势.
- 识别面临非职业接触2,4-D.风险的人群.
- 利用地理空间方法来绘制潜在的农药暴露热点.
主要方法:
- 在伊利诺伊州 (2017年,2020年,2023年) 对大豆的2,4-D应用数据的地理空间分析.
- 计算2,4-D使用和大豆作物种植面积的县级变化率.
- 开发一种使用1公里区和网格化人口普查数据来评估人口风险的农药密度缓冲模型.
主要成果:
- 2017年至2023年间,伊利诺伊州各县对大豆2,4-D应用的中位数增加了341%.
- 从2017年到2023年,香县98.9-99.7%的人口生活在距离大豆作物的1公里范围内.
- 在2017年至2023年期间,潜在暴露率从人口的24.5%增加到44.5%,暴露于更高度 (30公斤) 的人数显著增加.
结论:
- 地理空间绘制有效地识别了面临非职业性2,4-D暴露风险的人群.
- 增加对大豆的2,4-D使用与附近人群潜在暴露风险的增加有关.
- 这种具有成本效益的GIS方法有助于针对未来的农药暴露的研究和公共卫生干预措施.
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