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岩沉积,而不是旅游活动,是高山石湖中微塑料风险的主要贡献者

Hanyong Zeng¹, Yijin Wang², Zhen Zhao²

¹China-Croatia "Belt and Road" Joint Laboratory on Biodiversity and Ecosystem Services, Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China; University of Chinese Academy of Sciences, Beijing 100049, China.

Journal of hazardous materials

|July 13, 2024

概括

微塑料 (MP) 在湖中构成风险. 石灰岩沉积,而不是旅游业,驱动这些风险,突出需要在世界遗产中进行独特的保护.

科学领域:

环境科学环境科学
微生物学微生物学
生态毒理学生态毒理学

背景情况:

微塑料 (MP) 形成塑料圈,使病原体传播,并带来环境/健康风险.
卡斯特石湖,通常是世界遗产,面临独特的MP风险由于旅游业.
在这些脆弱的生态系统中影响MP风险的因素仍未得到充分研究.

研究的目的:

在Jiuzhaigou和黄龙石岩湖中调查MP风险,微生物组,抗生素耐药性基因 (ARG) 和毒性因子基因 (VFG).
确定旅游业和岩沉积对MP相关风险的影响.
在独特的高山岩石湖环境中评估MP风险.

主要方法:

基因组分析分析微生物组,ARG和VFG.
对MP相关风险的地理分布分析.
结构方程建模以确定关键风险驱动因素.

主要成果:

黄龙地区的塑圈风险高于州地区,这与最初基于旅游业的假设相反.
特定污染物 (利波多糖易斯 (Lipopolysaccharide Lewis, fosD)) 在黄龙市上游下游显著增加.
石灰岩沉积被确定为阿尔卑斯山岩石湖中MP风险的主要驱动因素.

结论:

旅游业对PM风险的影响最小,可能是由于有效管理.
岩沉积在这些独特的生态系统中充当了重要的MP热点.
世界自然遗产岩湖的保护战略必须考虑到内在的地质特征,以减轻MP污染.

关键词:

抗生素耐药性基因是抗生素耐药性的基因.环境风险环境风险现场微塑料的使用情况旅游活动旅游活动梯形岩石沉积的沉积物是什么

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