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Analysis of microplastic concentrations in water and bottom sediments as a new aspect of ecological monitoring
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This study examined the spatial distribution of microplastic particles in the water column and bottom sediments of Lake Ladoga in Russia, using data from 2018-2019. The findings provide baseline data on microplastic contamination in one of Europe's largest freshwater lakes.
Abstract In this article we consider some features of spatial distribution of microplastic particles in water column and bottom sediments of Lake Ladoga based on results of research conducted in 2018-2019. This new type of contamination poses new threats to ecological conditions of water bodies. Considering the growing relevance of this problem, it is important to estimate genesis and scale of this contamination and its spatial and temporal distribution for developing recommendations for managing conditions of water bodies. It is advisable to add microplastic research including analysing microplastic concentrations and chemical composition of the particles to the system of ecological monitoring.
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The Evaluation of Microplastic Particles in the Water Area of Lake Ladoga
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Microplastics were detected in both surface water and bottom sediments of Lake Ladoga, Russia's largest lake, during sampling from 2018 to 2021. Secondary microplastics predominated, indicating fragmentation of larger plastic waste as the primary contamination source. The study establishes baseline data for freshwater microplastic monitoring in a major European lake.
The Vertical Distribution of Microplastics in the Water Column of Lake Ladoga
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Researchers measured the vertical distribution of microplastics in the water column of Lake Ladoga, Russia's largest lake, collecting samples at multiple depths and characterizing particle types and concentrations. Microplastic concentrations were highest in surface waters but significant quantities were found at depth, with fibres predominating throughout the water column.
Microplastics in Lake Onego sediments: occurrence and accumulation patterns.
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Researchers characterized the occurrence and spatial accumulation patterns of microplastics in sediment samples from Lake Onego, Europe's second largest lake, finding contamination across the lake bed with higher concentrations in depositional zones. The study provides baseline data on microplastic sedimentation in this important Russian freshwater body.
Study of microplastic content in fish in the Neva River and Lake Ladoga
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Researchers examined microplastic contamination in fish from the Neva River and Lake Ladoga in Russia, situating the findings within the global context of widespread plastic pollution in aquatic ecosystems. The study highlighted the difficulty of natural plastic decomposition and the ongoing accumulation of microplastics in freshwater systems, with UNESCO estimates of 8-10 million tonnes entering seas annually.
Microplastic Concentrations in Bottom Sediments of the Lakes of Specially Protected Natural Territories: Case Study of the Kizhskie Skerries, Lake Onega and Vodlozero Lake
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Researchers measured microplastic concentrations in bottom sediments of lakes within specially protected natural territories in Russia, including Vodlozero National Park and the Kizhi Museum-Reserve on Lake Onega. The study found microplastic contamination even in these nominally protected areas, characterising particle morphology, polymer types, and spatial distribution patterns.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.