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Measuring plastic pellet (nurdle) abundance on shorelines throughout the Gulf of Mexico using citizen scientists: Establishing a platform for policy-relevant research
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Researchers used a citizen science program called 'Nurdle Patrol' to monitor plastic pellet (nurdle) abundance on shorelines throughout the Gulf of Mexico, finding pellets on beaches across multiple states and identifying industrial plastic handling facilities as likely point sources. The study demonstrates how citizen science can generate large-scale spatial data on a specific and trackable form of microplastic pollution.
There is an increasing awareness of microplastics within the global problem of marine plastic pollution. In 2018, small plastic pellets or "nurdles" were observed on the beaches of Corpus Christi, Texas. A citizen science project, "Nurdle Patrol," was established by the Mission-Aransas National Estuarine Research Reserve to monitor the presence of nurdles, with volunteer interest enabling this project to expand across the Gulf of Mexico region. This case study describes the sampling methodology, the policy framework, and initial quantitative data from the citizen science project on nurdle distribution along the Gulf coast. A total of 2042 Nurdle Patrol surveys have been conducted by 744 citizen scientists covering shorelines from Mahahual, Mexico to Fort Jefferson, Florida. All 20 of the highest standardized nurdle counts were recorded at sites in Texas. Results can inform decision-maker response across regulatory scales and further research on nurdle pollution.
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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.
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.
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 for Assessment of Microplastics on Beaches: A Case Study in Mexico
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Researchers used a citizen science approach involving 26 volunteers to assess microplastic abundance and type on Mexican beaches, providing broad geographic coverage at lower cost than traditional monitoring. Participants used standardized materials and training to collect and identify microplastics, generating a representative database that also raised public awareness of coastal plastic pollution.
Distribuição espacial, aporte e dispersão de grânulos de plástico em zonas costeiras
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Brazilian researchers mapped the spatial distribution, input, and dispersal of plastic granules (nurdles and pellets) in coastal zones, documenting how pre-production plastic pellets contaminate beaches and nearshore waters. The study contributes to understanding primary microplastic pollution from plastic manufacturing and shipping losses.
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