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Study on the microplastics release from fishing nets
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Abandoned fishing nets in the Venetian Lagoon shed measurable microplastic fragments when subjected to simulated marine weathering and washing, confirming that discarded fishing gear is an ongoing source of microplastic release into aquatic environments. Quantifying this emission pathway helps prioritize ghost gear recovery efforts as a pollution-reduction strategy.
In this work five samples of fishing nets abandoned in the Venetian Lagoon were analysed to characterize them by the chemical and morphological point of view. Then, two of these nets were selected because constituted by textile filament yarns to simulate in laboratory a further consumption due to marine environment and the possible release of microplastics fragments. The nets were washed merging different textile standard methods for quality control. Then the washing effluents were collected and filtered on filters of defined microporosity. The filters were analysed with SEM and a statistical counting was performed.
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