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丰富的农田中重金属污染的风险评估和影响预测

Yuanzhe Ma¹, Fuxing Guo¹, Haode Zhu¹

¹College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, PR China.

The Science of the total environment

|August 7, 2024

概括

重金属污染,特别是,污染了富含的农田,造成健康风险和经济损失. 解决这种污染问题可以显著减轻这些负面影响.

科学领域:

农业科学农业科学
环境科学环境科学
公共卫生公共卫生

背景情况:

富含 (Se) 的农田对于全球减轻缺乏症至关重要.
这些地区的重金属污染威胁到农业安全和公共健康.
缺乏关于这个问题的定量数据和统计分析.

研究的目的:

评估和分析Se丰富的农田中重金属污染的来源,风险和影响.
为危险的重金属污染现象提供数据驱动的见解.
为在富含的农业系统中管理污染提供建议.

主要方法:

收集出版物的系统审查和定量分析.
在富含和非富含的农田中评估重金属度 (Cd,As,Pb,Zn).
环境风险评估和污染影响预测.

主要成果:

富含的农田显示重金属度明显高,特别是 (Cd).
缩和重金属污染与岩石中的重金属同质性有关.
严重的Cd污染和狭窄的Se利用范围限制了农田的可用性,造成健康风险和经济损失 (4000元/公2).

结论:

应对Cd污染可以恢复81%的经济损失,并减少致癌性 (60%) 和非致癌性 (10%) 的健康风险.
污染控制策略必须保持植物Se丰富,避免土壤Se的干扰.
结果为丰富的功能性农业和公共卫生安全提供了宝贵的信息.

关键词:

是的组成部分.经济损失经济损失评价评价评价功能性农业功能性农业是一种.

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