评估在阿尔及利亚东部海岸沿海沙沉积物中的微塑料污染:分布模式,丰富度和潜在来源
Zouhir Zeghdani1,2, Mohamed Rida Mohamedi3, Nadhir Bouchema4
1Laboratoire de Zoologie Appliquée et D'ecophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Université de Béjaia, Béjaia, Algeria.
概括
微塑料污染在阿尔及利亚海上有很大的差异. 碎片是最常见的类型,海污染对海洋生物摄入纤维的风险很小.
科学领域:
- 环境科学 环境科学
- 海洋生物学 海洋生物学
- 生态毒理学 生态毒理学
背景情况:
- 微塑料 (MP) 是普遍存在的环境污染物,具有生态和健康问题.
- 了解MP在沿海生态系统上的分布对于风险评估至关重要.
研究的目的:
- 在阿尔及利亚贝贾亚湾的三个海上量化和描述微塑料污染.
- 评估海污染造成的海洋生物摄入纤维的可能性.
主要方法:
- 在Sidi Ali Labher,Aokas和Oueddas海进行现场采样 (2024年4月至5月).
- 通过NaCl漂浮和真空过来分离微塑料.
- 对MP密度,类型和污染指数 (MPPI,PPI,FIPI) 的定量分析.
主要成果:
- 碎片是最丰富的MP类型,其次是纤维,泡,薄膜和颗粒.
- 微塑料污染指数 (MPPI) 表示Aokas (17.18) 的污染程度高,Sidi Ali Lebhar (9.28) 的污染程度中等,Oueddas (4.22) 的污染程度低.
- 纤维摄入潜在指数 (FIPI) 值表明沙污染对海洋生物的风险很小.
结论:
- 在研究的海中,微塑料污染水平在各个海之间有很大差异.
- 在这个地区,海污染不太可能是海洋生物摄入纤维的主要来源.
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