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树林的食物网是微塑料和聚化乙烯污染物积聚的热点

Eduardo Antonio Lozano-Hernández¹, Nancy Ramírez-Álvarez², Lorena Margarita Rios Mendoza³

¹Universidad Autónoma de Baja California, Facultad de Ciencias Marinas, Carretera Tijuana-Ensenada 3917, Colonia Playitas, Ensenada, B.C., Mexico. C.P. 22860.

Environmental research

|June 2, 2024

概括

微塑料和PBDE污染了海藻森林生态系统,影响了海洋生物在热带层面. 这项研究揭示了它们的广泛存在,表明了对这些重要的海洋息地的潜在风险.

科学领域:

海洋生态海洋生态学
环境化学环境化学
生态毒理学生态毒理学

背景情况:

海藻森林是重要的海洋生态系统,支持生物多样性并提供必要的生态服务.
微塑料 (MP) 和聚乙 (PBDE) 造成的海洋污染对海洋健康构成越来越大的威胁.
了解海藻森林食物网中的污染物生物积累对于评估生态系统健康至关重要.

研究的目的:

分析海藻森林中各热层的微塑料和PBDE度.
为了比较Todos Santos湾这些污染物的空间和时间变化.
调查林生态系统中微塑料的潜在食物转移.

主要方法:

抽取水的样本,主要生产者 (Macrocystis pyrifera),放牧者 (Strongylocentrotus purpuratus),捕食者 (Semicossyphus pulcher) 和海藻碎片.
使用福里埃变换红外显微光谱学减弱的总反射率 (μ-FTIR-ATR) 识别和量化微塑料.
在采集的样本中分析聚二乙烯 (PBDE) 度.

主要成果:

在所有分析样本中检测到微塑料,聚纤维是最丰富的类型.
在不同地点和时间观察到海藻和海藻碎片中微塑料度的显著变化.
PBDE也无处不在,在海中发现的度最高.

结论:

在托多斯桑托斯湾 (Todos Santos Bay) 的海藻森林的食物网被微塑料和PBDE严重污染.
聚合物相似性表明,在食物网内可能存在微塑料的食物转移.
这些污染物的广泛存在表明对林生态系统及其服务存在潜在风险.

关键词:

在FTIR-ATR中.纤维是一种纤维.树林是一种树林.海洋污染造成的海洋污染一个PBDE就是一个PBDE.热带转移 - 热带转移

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