评估与秘鲁塔克纳环境负债相关的潜在有毒元素和生态风险
César Julio Cáceda Quiroz1, Gisela July Maraza Choque1, Gabriela de Lourdes Fora Quispe1
1Project of Bioremediation, Jorge Basadre Grohmann National University, Faculty of Sciences, Professional School of Biology-Microbiology, Tacna, Perú.
PloS one
|November 25, 2025
概括
采矿环境负债 (MELs) 在全球范围内构成重大污染风险. 这项研究发现废弃的矿山中存在有毒元素和化物造成的严重污染,突出了迫切的整治需求.
科学领域:
- 环境科学 环境科学
- 地质化学 地质化学
- 生态毒理学 生态毒理学
背景情况:
- 采矿环境负债 (MELs) 是从采矿活动中废弃的地点.
- 这些地点存在环境污染的重大风险,是全球性的挑战.
- 靠近生态系统和社区增加了生态和社会风险.
研究的目的:
- 评估MEL中潜在有毒元素 (PTEs) 的污染水平和相关的生态风险.
- 用多个环境指数来评估污染的严重程度.
- 为紧急的整治工作提供初步风险评估.
主要方法:
- 使用EPA 6020A方法与ICP-MS对PTE的分析.
- 自由化物 (EPA 9013A) 和六价 (EPA 7199) 的确定.
- 应用多个环境指数,主要组件分析 (PCA) 和斯皮尔曼相关性分析.
主要成果:
- 高度的,,和自由化物超过了监管标准.
- 在评估区域中,存在严重污染和高生态风险的一致迹象.
- PCA揭示了多个污染源,相关性分析表明PTE的常见分散途径.
结论:
- 由于PTE和化物度高,MEL带来了重大的环境和社会风险.
- 紧急,可持续的整治战略和国际政策对于管理这些环境遗产至关重要.
- 全面的基线评估对于有效的MEL管理和减轻环境影响至关重要.
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