Macrolitter and microplastics along the East Pacific coasts - A homemade problem needing local solutions.

Mar Pollut Bull

Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo, Chile; Millennium Nucleus Ecology and Sustainable Management of Oceanic Island (ESMOI), Coquimbo, Chile; MarineGEO, Smithsonian Environmental Research Center, Edgewater, MD, USA. Electronic address:

Published: June 2024

AI Article Synopsis

  • * The primary sources of litter are local and land-based, such as tourism and inadequate waste management, particularly in low and mid-latitude continental areas, while some sea-based sources have been identified at high latitudes and oceanic islands.
  • * To tackle the pollution issue effectively, the study suggests that strategies should focus on local and preventive measures to reduce litter along the coasts of the East Pacific.

Article Abstract

The East Pacific (EP) region, especially the central and southern EP, has been fairly less studied than other world's regions with respect to marine litter pollution. This comprehensive literature review (257 peer-reviewed publications) showed that both macrolitter (mostly plastics) and microplastics tend to accumulate on EP shorelines. Moreover, they were also reported in all the other compartments investigated: sea surface, water column, seafloor and 'others'. Mostly local, land-based sources (e.g., tourism, poor waste management) were identified across the region, especially at continental sites from low and mid latitudes. Some sea-based sources (e.g., fisheries, long-distance drifting) were also identified at high latitudes and on oceanic islands, likely enhanced by the oceanographic dynamics of the EP that affect transport of floating litter. Our results suggest that effective solutions to the problem require local and preventive strategies to significantly reduce the levels of litter along the EP coasts.

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Source
http://dx.doi.org/10.1016/j.marpolbul.2024.116440DOI Listing

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