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Chapter A first assessment of microplastics in the sea waters off the Puglia region
Summary
Researchers investigated the effects of polyethylene microplastics on the immune response of Pacific oysters challenged with a bacterial pathogen, finding that pre-exposure to plastics significantly reduced survival following infection. The results suggest that microplastic exposure compromises immunocompetence in bivalves, which may have implications for disease outbreaks in marine aquaculture settings.
To meet the objectives of the MSFD, 2008/56/EC, the Puglia Regional Agencies for the Prevention and Protection of the Environment (ARPA Puglia) performed a quantitative and qualitative analysis of the MPs on the basis of the data collected during 2015-2017 monitoring program. A total of 90 samples in 5 campaigns were collected using a manta net. The MPs average density of 0,469 n/m³ was calculated for the entire dataset. No significant statistical differences were detected among sampling sites, campaigns and distance from the coast.