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Using citizen science to understand floating plastic debris distribution and abundance: A case study from the North Cornish coast (United Kingdom).
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This citizen science study used a standardized methodology to monitor floating plastic debris off the Cornish coast of the UK, finding microplastic concentrations comparable to or higher than other European coastal regions. The study demonstrates that citizen science can generate useful, standardized data on plastic pollution in coastal waters.
Citizen science is now commonly employed to collect data on plastic pollution and is recognised as a valuable tool for furthering our understanding of the issue. Few studies, however, use citizen science to gather information on water-borne plastic debris. Here, citizen scientists adopted a globally standardised methodology to sample the sea-surface for small (1-5 mm) floating plastic debris off the Cornish coast (UK). Twenty-eight trawls were conducted along five routes, intersecting two Marine Protected Areas. Of the 509 putative plastic items, fragments were most common (64 %), then line (19 %), foam (7 %), film (6 %), and pellets (4 %). Fourier-transform infrared spectroscopy identified the most common polymer type as polyethylene (31 %), then nylon (12 %), polypropylene (8 %), polyamide (5 %) and polystyrene (3 %). This study provides the first globally comparative baseline of floating plastic debris for the region (mean: 8512 items km), whilst contributing to an international dataset aimed at understanding plastic abundance and distribution worldwide.
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The potential contribution of citizen science data in the study of coastal microplastic and mesoplastic distributions
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Researchers analyzed citizen science data from the Big Microplastic Survey to assess the potential contribution of volunteer-collected observations to understanding coastal microplastic and mesoplastic distribution patterns, evaluating data quality and spatial coverage relative to conventional scientific monitoring.
Citizen science initiatives and outcomes in plastic pollution monitoring and control in the southern Bay of Biscay.
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Researchers compiled seven years of citizen science marine litter data from the southern Bay of Biscay across beaches, floating zones, and seafloor surveys, finding plastics comprised 77–98% of recorded items and that small plastic pieces (0–2.5 cm) were the single most abundant object type across all three environments.
The sampling and analysis of coastal microplastic and mesoplastic: Development of a citizen science approach
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This study designed, developed, and tested a citizen science approach to microplastic and mesoplastic data collection on coastal beaches to address scale and coverage limitations of traditional research methods. Results showed non-expert participants could collect comparable data to researchers, expanding monitoring capacity across undersampled coastlines.
Floating microplastic loads in the nearshore revealed through citizen science
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Researchers used citizen science manta trawl deployments across 124 transects in the NW Mediterranean to characterize floating microplastic loads in nearshore coastal waters, finding substantial plastic pollution concentrated close to shore where emissions are highest.
The Surfing for Science citizen science project: 5 years monitoring floating microplastics in the nearshore
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Researchers reported five years of citizen science microplastic monitoring data from the Surfing for Science project, in which trained surfers and paddlers towed specially designed manta trawls in nearshore waters along the northern and northeastern Iberian Peninsula and Balearic Islands to track floating microplastic abundance and origin.
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