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在南极半岛沿线的鱼中微型垃圾污染

Mariona Gonzalez-Pineda¹, Humbert Salvadó², Pere Monràs-Riera¹

¹Department of Evolutionary Biology, Ecology and Environmental Sciences & Biodiversity Research Institute (IRBio), University of Barcelona, Av. Diagonal 643, Catalonia, Barcelona, 08028, Spain.

Environmental pollution (Barking, Essex : 1987)

|August 27, 2025

概括

微垃圾 (ML) 污染影响南极,其中超过一半含有颗粒. 最常见的是纤维素纤维, 表明人类活动甚至影响了遥远的生态系统.

科学领域:

海洋生物学
环境科学
污染研究

背景情况:

南极地生态系统面临全球变化和人类活动的威胁.
污染,尤其是微型垃圾,是南极海洋生命的新兴威胁.
之前的研究已经在南极海洋生态系统中检测到ML,

研究的目的:

描述和量化南极半岛沿线的微型垃圾 (ML).
调查ML在不同研究地点的分布和丰度,包括欺骗岛.
确定被研究生物体摄入的ML颗粒的类型和大小.

主要方法:

从南极半岛 (62°南至67°南) 的多个地点采集Cnemidocarpa verrucosa的样本.
分析虫内脏中的ML含量,量化每克和每个人.
识别和描述ML颗粒,包括微塑料和纤维素纤维,并进行尺寸分析.

主要成果:

超过50%的Cnemidocarpa verrucosa含有至少一个ML颗粒.
平均ML数量为0. 14±0. 26个物品/克和1. 62±1. 79个物品/个体.
微塑料占ML的37%,黑色/蓝色纤维素纤维 (100-500μm) 是最常见的. 在约翰逊湾,乌拉圭岛和欺骗岛内的Murature发现了更高的ML负载.

结论:

人类活动是ML在不同地点变化的主要驱动因素,环境因素也起着作用.
这项研究是首次评估南极虫的ML污染,是南极半岛最南端的地底无脊椎动物ML研究.
这些发现可以为保护南极海洋本托斯免受人类污染和改善生态系统管理提供信息.

关键词:

人为影响纤维素残留物海洋鱼微塑料南大洋连衣

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