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A review of current approaches for the study of microplastic contamination in crustaceans
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This review assessed current methodological approaches for studying microplastic contamination in crustaceans, evaluating techniques for extraction, identification, and quantification while highlighting gaps in standardization that limit cross-study comparisons and risk assessment for these ecologically important invertebrates.
Microplastics (MPs) are ubiquitous in marine environment, and a growing body of evidence suggests that they pose a threat to marine ecosystems. The ingestion of MPs causes a false sense of satiation and decline in nutritional status. After animal ingestion, MPs fragment into nanoplastics, returning to the environment through egestion and thereby becoming vectors of contaminant exposure (organic and inorganic) into marine food webs. Crustacea is one invertebrate group frequently investigated in studies of MP ingestion. Through a critical review of the current literature, we provide an overview of techniques utilized in research on the contamination of MPs on members of the Crustacea subphylum and thereby identify methodological limitations and future research needs.
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This review synthesized 56 studies on microplastic contamination and effects in bivalves, covering analysis methods, quantification approaches, and biological impacts. The authors found wide variation in reported contamination levels due to methodological differences, and concluded that standardized protocols are urgently needed to assess the food safety and ecological risks of microplastic-contaminated shellfish.
A critical view on microplastic quantification in aquatic organisms
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Researchers critically reviewed the methods used to quantify microplastics in aquatic organisms including zooplankton, bivalves, and fish. The study highlights that no standardized methodology exists for measuring microplastic contamination in biota, which makes comparing results across studies difficult and underscores the need for consistent analytical protocols.
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This review synthesizes global data on microplastic occurrence and distribution across marine organisms, comparing the advantages and limitations of different extraction and identification methods used in the field.
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This review compared the published methods for separating and identifying microplastics from seawater, sediment, and marine organisms, assessing their efficiency, processing time, and potential to damage particles. It highlights the lack of standardized protocols as a major barrier to comparing results across studies.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.