Comparison of standard methodologies for plastic identification and quantification in field deployed oysters

, Ribeiro Francisca, Okoffo Elvis, O’brien Jake, O’brien Stacey, Harris Jonathan, Kazerson Sarit, Mueller Jochen, Galloway Tamara, Thomas Kevin.

Marine invertebrates are vulnerable to microplastic exposure and their use in monitoring programmes to assess environmental contamination is a common practise. Microplastic contamination in oysters is widespread but without standardized methodologies it is difficult to infer by how much or to compare between studies. Additionally, current methodology is insufficient for determining what fraction exists at a specific size range particularly for smaller sizes (

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