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Accumulation and effects of microplastic fibers in American lobster larvae (Homarus americanus)
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2020
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Source: Marine Pollution Bulletin, 157, 111280
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Journal Title:Marine Pollution Bulletin
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Description:The effects of microplastic fibers (MPF) on the survival, molting and oxygen consumption rates of larval (I-III) and post-larval (IV) stages of the American lobster, Homarus americanus, were quantified as a function of MPF concentration and food availability. Only the highest MPF concentration decreased early larval survival. MPF did not affect the timing or rate of molting across MPF treatments. While all larval and post-larval stages accumulated MPF under the cephalothorax carapace, stage II larvae and stage IV post-larvae showed the highest and lowest accumulation, respectively. MPF ingestion increased with larval stage and with MPF concentration; under starvation conditions, stage I larvae only ingested them at low MPF concentrations. Oxygen consumption rates were lower only in later larval stages when exposed to high MPF concentrations. Combined, our results indicate that MPF interactions and effects on American lobster larvae are dependent on larval stage, MPF concentration, and presence of food.
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Source:Marine Pollution Bulletin, 157, 111280
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ISSN:0025-326X
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Rights Information:CC BY-NC-ND
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Compliance:Library
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