高度控制了空气污染的耐受性和工厂中的重金属积累
Pratik Kumar Dash1, Chandan Sahu2,3, Sradhanjali Basti1
1P.G. Department of Environmental Sciences, Sambalpur University, Jyoti Vihar, Sambalpur, India, 768019.
Environmental monitoring and assessment
|August 31, 2023
概括
高度显著影响植物对空气污染的耐受性. 较高的海拔降低了相对含水量,空气污染耐受性指数和植物中的重金属积累. 这突出了海拔高度.
科学领域:
- 环境科学 环境科学
- 植物生理学 植物生理学
- 生态毒理学 生态毒理学
背景情况:
- 植物对空气污染的反应受到各种因素的影响,但高度的影响仍未得到充分研究.
- 了解海拔影响对于评估植物对环境变化和污染的脆弱性至关重要.
- 以前的研究还没有完全阐明高度与植物对空气污染物的生化反应之间的关系.
研究的目的:
- 研究高度对植物空气污染耐受性指数 (APTI) 的影响.
- 评估高度如何影响植物物种中的重金属积累和沉积.
- 为了确定相对含水量 (RWC),重金属积累和沿着高度梯度的APTI之间的相关性.
主要方法:
- 在不同高度进行实地研究,以收集植物样本.
- 测量相对含水量 (RWC),酸,叶子提取物的pH值和叶绿素含量.
- 在植物组织中积累的重金属和在叶子表面沉积的量化.
主要成果:
- 随着海拔高度的增加,观察到RWC,APTI和重金属积累的显著下降 (p < 0.05).
- 亚酸,叶子pH值,叶绿素和颗粒沉积没有显示出统计学上显著的高度趋势.
- 金属积累的顺序是Ni > Zn > Cu > Pb > Cd > Co,颗粒沉积的顺序是Cu > Pb > Ni > Zn > Cd > Co.
结论:
- 高度显著影响植物的生物化学参数和重金属积累,支持研究的假设.
- 相对含水量 (RWC) 在植物对跨海拔梯度空气污染的耐受性中起着主导作用.
- 建议对微气象因素进行进一步的研究,以充分了解高度对植物对空气污染耐受性的影响.
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