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Micro- and mesoplastic pollution along the coast of Peru
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Micro- and mesoplastic debris abundance along the Peruvian coast was driven more by specific source locations than by season, with strong correlation between meso- and microplastic concentrations suggesting ongoing fragmentation, and low concentrations of Cu and Pb heavy metals detected on mesoplastic surfaces.
Peru suffers from poor solid waste and coastal management, as well as evidenced plastic pollution in various forms. However, studies in Peru focusing on small plastic debris (i.e., meso- and microplastics) are still limited and inconclusive. Thus, the present study investigated the abundance, characteristics, seasonality, and distribution of small plastic debris along the coast of Peru. The abundance of small plastic debris is predominantly driven by specific locations, where a source of contamination is present, rather than presenting seasonal patterns. Meso- and microplastics were strongly correlated in both seasons (summer and winter), suggesting meso-plastic constantly breaking down as microplastic sources. Additionally, heavy metals (e.g., Cu, Pb) were found in low concentrations (mean concentrations < 0.4%) on the surface of some mesoplastics. Here, we provided a baseline on the multiple factors involving small plastic debris on the Peruvian coast and preliminarily identify associated contaminants.
More Papers Like This
Small plastic debris along the coast of Peru
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Small plastic debris including meso- and microplastics were surveyed along Peru's coastline, finding contamination at all sampled sites with significant variability by season and location. Higher concentrations were found near urban centers and river mouths, reflecting poor solid waste management and land-based inputs. The study provides the most comprehensive baseline data yet for plastic pollution along the Peruvian coast.
Pollution by microplastic in highly crowded sandy beaches in Lima, Peru
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Researchers surveyed microplastic contamination at three heavily visited sandy beaches in Lima, Peru, finding fragments and fibers of polypropylene and polyethylene as the most common particles, with abundance varying by season and beach characteristics.
Microplásticos en tres playas arenosas de la costa central del Perú
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This study characterizes microplastic contamination across three sandy beaches along the central coast of Peru, documenting the types, sizes, and distribution of particles present. The findings contribute to the growing body of evidence on microplastic pollution in South American coastal ecosystems, which remain comparatively understudied relative to European and North American coastlines.
Abundance and distribution of microplastics on sandy beaches of Lima, Peru
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This survey assessed microplastic pollution on four popular sandy beaches of Lima, Peru, sampling both intertidal and supralittoral zones. Microplastics were found at all sites, with fragments being the most common morphology, and concentrations varying across beach zones and locations.
Presencia de microplásticos en cuatro playas arenosas de Perú
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Microplastic fragments were found on four sandy beaches along the Peruvian coast, with the most contaminated beach having over 500 fragments per square meter. The findings document microplastic contamination in South American Pacific coastal environments where little prior data existed.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.