上面和地下:连接洞穴和表面甲壳类动物沿着喀斯特河流延伸的微塑料模式。

IF 7.3 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Environmental Pollution Pub Date : 2025-11-01 Epub Date: 2025-08-06 DOI:10.1016/j.envpol.2025.126939
Anita Jemec Kokalj, Cene Fišer, Christian Laforsch, Martin G J Löder
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引用次数: 0

摘要

尽管在水生生态系统中对微塑料污染进行了深入研究,但很少考虑到地下生境,特别是在生物群暴露方面。我们进行了一项试点采样活动,以调查来自同一功能饲养协会的地表和洞穴生物中微塑料污染的差异。在斯洛文尼亚喀斯特地区的Pivka下沉河中采集了一对片足类动物(地表种群-水足鼠)和一对等足类动物(地表种群和洞穴种群-水足鼠)的标本。我们使用了最先进的分析管道,包括塑料保存净化,严格的化学检测和自动化分析,包括质量保证/质量控制。在表面和洞穴甲壳类动物中都发现了微塑料颗粒。检测到的大多数塑料颗粒都是碎片,有一小部分纤维,没有球体。20 ~ 50 μm颗粒所占比例最大,其次是50 ~ 100 μm颗粒。然而,有一些纤维更大(500 μm),但在以前在甲壳类动物中发现的食物颗粒的大小范围内。颗粒总数(高达70粒/池)似乎与采集动物的栖息地类型(地表-地下)无关,而与动物的分类群和摄食策略有关。这些对有限数量样本的初步结果表明,微塑料摄入存在分类群特异性风险,这表明应监测不同分类群,以获得地下水生物群微塑料污染的整体概况。这份简短的通报强调需要开展更广泛的取样活动,以地下水生物群为重点,涵盖更多的生物。未来的研究还应包括监测水和沉积物,以便在环境中微塑料的存在与它们在生物体中的积累之间建立更好的联系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Above and in the underground: Linking microplastic patterns in cave and surface crustaceans along a karst river stretch.

Above and in the underground: Linking microplastic patterns in cave and surface crustaceans along a karst river stretch.

Although microplastic contamination is intensively studied in aquatic ecosystems, subterranean habitats are rarely considered especially with respect to the exposure of biota. We conducted a pilot sampling campaign to investigate differences in microplastic contamination in surface and cave dwelling organisms from the same functional feeding guild. Samples from a pair of amphipods (surface- Synurella ambulans, cave- Niphargus stygius) and a pair of isopods (surface and cave population Asellus aquaticus) were obtained from the sinking river Pivka in the Slovenian karst region. We used a state-of-the-art analytical pipeline that included plastic-conserving purification, rigorous chemical detection and automated analysis including quality assurance/quality control. Microplastic particles were found in both surface and cave crustaceans. Most of the plastic particles detected were fragments, with a small proportion of fibres and no spheres. The largest proportion of particles found in the organisms fell within the size range of 20-50 μm, followed by the range of 50-100 μm. However, a few fibres were larger (> 500 μm) but were in the size range of food particles previously found in crustaceans. The total number of particles (reaching up to 70 particles/pool of specimens) seem not to be related to the type of habitat where the animals were collected (surface-subterranean), but rather to the taxon and feeding strategy of the animals. These preliminary results on a limited number of samples imply a taxon-specific risk of microplastic ingestion suggesting that different taxa should be monitored to obtain a holistic overview of microplastic contamination of groundwater biota. This short communication emphasizes the need for more extensive sampling campaigns focusing on groundwater biota and covering a larger number of organisms. Future studies should also include monitoring water and sediments to establish a better link between the presence of microplastics in the environment and their accumulation in organisms.

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来源期刊
Environmental Pollution
Environmental Pollution 环境科学-环境科学
CiteScore
16.00
自引率
6.70%
发文量
2082
审稿时长
2.9 months
期刊介绍: Environmental Pollution is an international peer-reviewed journal that publishes high-quality research papers and review articles covering all aspects of environmental pollution and its impacts on ecosystems and human health. Subject areas include, but are not limited to: • Sources and occurrences of pollutants that are clearly defined and measured in environmental compartments, food and food-related items, and human bodies; • Interlinks between contaminant exposure and biological, ecological, and human health effects, including those of climate change; • Contaminants of emerging concerns (including but not limited to antibiotic resistant microorganisms or genes, microplastics/nanoplastics, electronic wastes, light, and noise) and/or their biological, ecological, or human health effects; • Laboratory and field studies on the remediation/mitigation of environmental pollution via new techniques and with clear links to biological, ecological, or human health effects; • Modeling of pollution processes, patterns, or trends that is of clear environmental and/or human health interest; • New techniques that measure and examine environmental occurrences, transport, behavior, and effects of pollutants within the environment or the laboratory, provided that they can be clearly used to address problems within regional or global environmental compartments.
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