微生物生物指标的灵敏度在评估金属固定在炼厂影响的土壤中的成功
Elvira A Dovletyarova1, Marina V Slukovskaya2, Tatiana K Ivanova2
1Department of Landscape Design and Sustainable Ecosystems, Peoples Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya St., Moscow, 117198, Russian Federation.
Chemosphere
|May 10, 2024
概括
植物是成功地固定土壤金属的可靠指标,但微生物生物指标表现出不同的敏感性. 一些微生物指标准确地反映了金属固定性,而另一些则没有,强调了在污染环境中需要仔细选择的必要性.
科学领域:
- 环境科学 环境科学
- 土壤科学 土壤科学
- 微生物学 微生物学
背景情况:
- 植物毒性降低是判断土壤金属固定成功的关键.
- 使用微生物作为金属固定有效性的通用指标是有争议的.
- 受炉影响的土壤在评估生物指标可靠性方面存在挑战.
研究的目的:
- 评估微生物生物指标的灵敏度,以监测炼厂影响的土壤中的金属固定.
- 为了比较植物和微生物在指示金属固定成功的有效性.
- 为了评估天然的Fe-Mn结节作为金属固定剂.
主要方法:
- 在用Fe-Mn结节和对照土壤修改的土壤中种植多年生无草 (Lolium perenne).
- 测量工厂的反应,包括射线金属含量和生物质.
- 分析各种微生物指标,如社区层面的生理分析,微生物生物质碳,基本呼吸,细菌/真菌计数和酶活性.
主要成果:
- 植物的反应是金属不移成功的敏感和强有力的指标.
- 观察到可溶性金属度的减少,射线金属含量,以及植物生长的改善.
- 一些微生物生物指标 (社区层面的生理分析,微生物生物质碳,基本呼吸) 是敏感的,而另一些则不是强大的.
结论:
- 植物作为金属固定成功的可靠指标在受污染的土壤.
- 微生物生物指标的反应各不相同,需要仔细选择才能进行准确的评估.
- 需要进一步的研究来比较植物和微生物指标的金属固定有效性在受污染的环境中.
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