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微塑料对尼科硫积累和土壤-虫系统中的细菌群体的影响

Qingchuan Gao¹, Xiaohui Lu¹, Jinfeng Li¹

¹College of Forestry, Northeast Forestry University, Harbin 150040, China.

Journal of hazardous materials

|January 5, 2024

概括

微塑料 (MP) 改变农药迁移,减少土壤和虫中的微生物多样性. 即使MP度很低,也会影响土壤健康和陆地生态系统.

科学领域:

环境科学环境科学
生态毒理学生态毒理学
土壤科学土壤科学

背景情况:

微塑料 (MP) 是普遍存在的土壤污染物,通常与农药一起发生.
关于MPs和农药对陆地生物和土壤微生物群落的联合影响的数据有限.

研究的目的:

调查国会议员对尼科硫农药在土壤和虫中的命运的影响.
评估MPs对土壤和地肠道微生物社区结构和多样性的影响.

主要方法:

有控制的实验室实验使土壤和地暴露在尼科硫 (10μg/g) 和不同度的MPs (0.01%,0.1%,1%) 中30天.
在土壤和土组织中的残留尼科硫的量化.
使用测序技术分析土壤和地肠道微生物群落结构和多样性.

主要成果:

与单次农药处理相比,较高的MP度 (1%) 显著降低了土壤尼科硫度.
暴露在1%的MPs中的地显示出尼科硫的积累明显更高.
1%的国会议员降低了土壤和虫肠道中的微生物丰富性和多样性,改变了社区组成.

结论:

微塑料可以改变农药在陆地生态系统中的迁移和生物可用性.
国会议员对土壤微生物多样性和虫肠道微生物群产生负面影响,可能会产生级联生态效应.

关键词:

细菌社区是一种细菌社区.降解降解是一种降解.土虫土虫是一种虫.尼科硫的使用方法聚乙烯微塑料中的聚乙烯微塑料

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