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Testing a monitoring strategy for floating microlitter with manta-trawl sampling in Danish coastal waters

2023 Score: 30 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Jakob Strand Jakob Strand Márta Simon, Jakob Strand Márta Simon, Márta Simon, Márta Simon, Jakob Strand Márta Simon, Jakob Strand Jakob Strand Jakob Strand Jakob Strand Jakob Strand Márta Simon, Jakob Strand Jakob Strand Zhanna Tairova, Zhanna Tairova, Jakob Strand Jakob Strand Jesper Philip Aagaard Christensen, Jakob Strand Jakob Strand Márta Simon, Márta Simon, Jakob Strand Jesper Philip Aagaard Christensen, Zhanna Tairova, Jakob Strand Jakob Strand Jakob Strand Márta Simon, Jakob Strand Jakob Strand Márta Simon, Jakob Strand Jakob Strand Jakob Strand Jakob Strand Jakob Strand Jakob Strand Jakob Strand Jakob Strand Jakob Strand Jakob Strand Jakob Strand Jakob Strand Jakob Strand

Summary

This Danish monitoring project developed and tested a coastal sampling strategy for floating microplastics using manta-trawls at beach litter monitoring sites. The study found relatively low microplastic concentrations in Danish marine surface waters, providing baseline data and an evaluated monitoring protocol for ongoing national microplastic surveillance.

Study Type Environmental

The objective of the present project was to develop and test a coastal monitoring <br/>strategy for floating microlitter and microplastic (MP) in Danish marine surface waters using manta-trawl as sampling gear. 15 samples collected in transects along beach litter monitoring sites and analysed for MP > 300 µm. The median MP concentration was 0.057 particles m-3 and the maximum concentration was 0.213 particles m-3 indicating relatively low contamination levels of the seven investigated marine surface waters. This corresponded to a median value of 14630 MP per km2 and a maximum value of 43639 MP per km2. Other aspects considered include recommendation on sampling minimum of 100 m3 sample volume, to analyse replicate samples and that sampling should be planned in spring/early summer.

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