来自墨西哥的矿区的不同昆虫食物协会中的和暴露
Carlos Alberto Rebolloso-Hernández1, Moisés Roberto Vallejo-Pérez2,3, Leticia Carrizales-Yáñez4
1Programa Multidisciplinario de Posgrado en Ciencias Ambientales, Universidad Autónoma de San Luis Potosí, 78000, San Luis Potosí, Mexico.
Environmental monitoring and assessment
|April 3, 2024
概括
墨西哥矿附近的昆虫显示高和污染,构成生态风险. 暴露途径包括土壤,空气和各种昆虫群体的食物来源.
科学领域:
- 环境毒理学环境毒理学
- 生态毒理学 生态毒理学
- 污染生物学 污染生物学
背景情况:
- 矿区可以将有毒的重金属释放到生态系统中.
- 和污染对包括昆虫在内的非目标生物构成风险.
- 了解昆虫暴露对于评估受采矿影响地区生态系统健康至关重要.
研究的目的:
- 评估墨西哥两处矿开采场地的各种昆虫食用协会的和暴露情况.
- 来自采矿场的昆虫中的污染物水平与参考场所进行比较.
- 确定陆地和水中环境中的昆虫的潜在暴露途径.
主要方法:
- 在La Laja和La Soledad的矿和一个参考地点进行现场采样.
- 使用便携式分析仪测量气度.
- 通过原子吸收光谱测量对环境和生物样本中的和进行量化.
主要成果:
- 在所有陆地生态系统组件中检测到和,包括在多个食物营养协会中的昆虫.
- 与参考地点相比,来自La Soledad矿的昆虫的含量 (29-80倍) 和含量 (13-62倍) 显著增加.
- 在El Cedral溪流中发现了高和水平,掠食性水生昆虫暴露于这两种污染物中.
结论:
- 在塞拉戈尔达生物圈保护区 (Sierra Gorda Biosphere Reserve) 居住在矿区的昆虫因和暴露而面临重大风险.
- 多种暴露途径,包括摄入和吸入,有助于昆虫中的污染物积累.
- 这些发现凸显了采矿活动造成的广泛污染和生态威胁.
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