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Feeding type affects microplastic ingestion in a coastal invertebrate community

Marine Pollution Bulletin 2015 421 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Outi Setälä Outi Setälä Outi Setälä Outi Setälä Outi Setälä Outi Setälä Outi Setälä Outi Setälä Maiju Lehtiniemi, Maiju Lehtiniemi, Outi Setälä Maiju Lehtiniemi, Maiju Lehtiniemi, Outi Setälä Outi Setälä Joanna Norkko, Outi Setälä Maiju Lehtiniemi, Outi Setälä Outi Setälä Outi Setälä Outi Setälä Maiju Lehtiniemi, Outi Setälä Outi Setälä Outi Setälä Outi Setälä Outi Setälä Outi Setälä Outi Setälä Outi Setälä Outi Setälä Outi Setälä Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Outi Setälä Outi Setälä Maiju Lehtiniemi, Outi Setälä Maiju Lehtiniemi, Maiju Lehtiniemi, Outi Setälä Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Outi Setälä Maiju Lehtiniemi, Maiju Lehtiniemi, Outi Setälä Outi Setälä Outi Setälä Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Maiju Lehtiniemi, Outi Setälä Maiju Lehtiniemi, Outi Setälä

Summary

Researchers exposed a coastal Baltic Sea invertebrate community — including mussels, crustaceans, and deposit feeders — to microplastic beads at three concentrations and found that feeding mode strongly determined ingestion rates, with filter-feeding bivalves accumulating significantly more particles than deposit feeders or free-swimming crustaceans.

Marine litter is one of the problems marine ecosystems face at present, coastal habitats and food webs being the most vulnerable as they are closest to the sources of litter. A range of animals (bivalves, free swimming crustaceans and benthic, deposit-feeding animals), of a coastal community of the northern Baltic Sea were exposed to relatively low concentrations of 10 μm microbeads. The experiment was carried out as a small scale mesocosm study to mimic natural habitat. The beads were ingested by all animals in all experimental concentrations (5, 50 and 250 beads mL(-1)). Bivalves (Mytilus trossulus, Macoma balthica) contained significantly higher amounts of beads compared with the other groups. Free-swimming crustaceans ingested more beads compared with the benthic animals that were feeding only on the sediment surface. Ingestion of the beads was concluded to be the result of particle concentration, feeding mode and the encounter rate in a patchy environment.

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