土壤和作物中潜在有毒元素污染的风险评估和相关性分析:典型地区的案例研究
Jiufen Liu1,2,3,4,5, Cang Gong6, Yinji Ba7
1China University of Geosciences, Beijing 100083, China.
Toxics
|July 25, 2025
概括
土壤被潜在有毒元素 (PTEs) 污染并不总是转化为通过作物对人类健康的高风险. 风险评估显示,虽然土壤中的 (Cd) 含量很高,但作物污染程度不同, (Cr) 造成了最大的健康问题.
科学领域:
- 环境科学 环境科学
- 毒理学 毒理学 毒理学
- 农业科学 农业科学
背景情况:
- 用潜在有毒元素 (PTEs) 污染土壤,通过作物吸收造成生态和人类健康风险.
- 现有的研究往往忽视了土壤和作物PTE污染之间的联系.
- 土壤PTE的区域差异可能与作物PTE水平和随后的人类健康风险没有直接关联.
研究的目的:
- 在一个工业污染地区调查来自PTE的土壤和作物污染风险.
- 分析土壤和作物中PTE度之间的相关性.
- 阐明土壤污染严重程度与人类健康风险之间的差异.
主要方法:
- 在典型的工业污染区对土壤和作物进行风险评估.
- 在土壤和各种作物中分析了PTE度.
- 使用相关性和回归分析来确定土壤和作物PTE之间的关系.
主要成果:
- (Cd) 是土壤中最严重的PTE污染物,但作物中的PTE含量仍低于食品安全限值.
- 农作物中的 (Cr) 构成了人类健康的最高风险 (HI),尽管Cd是最常见的土壤污染物.
- 土壤Cd与作物Cd,Cr和Ni水平呈现显著的正回归,表明复杂的PTE相互作用.
结论:
- 严重的土壤PTE污染并不总是等同于通过作物消费对人类健康的重大风险.
- 土壤PTE对作物PTE吸收的影响各不相同,需要不同的管理策略.
- 建议对高度可变的PTE进行本地化管理,对较少可变的PTE采取统一的方法.
更多相关视频
相关概念视频
Types of Toxins
2.0K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
2.0K
The Periodic Table and Organismal Elements
20.2K
Elements are the smallest units of matter that cannot be broken down further by chemical processes. There are 118 known elements, but not all of these are naturally occurring, and only a few of them are essential for life. Living matter is composed primarily of carbon, nitrogen, hydrogen, and oxygen, with smaller amounts of other elements like calcium, phosphorus, potassium, and sulfur. Other elements are also necessary for life but only in trace amounts.
Periodic Table Provides Information...
Periodic Table Provides Information...
20.2K


