Anthropogenic marine debris in the coastal environment: A multi-year comparison between coastal waters and local shores

Thiel, Martín; Hinojosa, Iván A.; Miranda, Leonardo de Sousa; Pantoja, José F.; Rivadeneira, Marcelo M.; Vásquez, Nelson

doi:10.1016/j.marpolbul.2013.01.005

Cited by 295 publications

(118 citation statements)

References 86 publications

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“…Visual observation studies in southern Chilean fjords revealed 1-250 items km −2 >2 cm during seven oceanographic cruises from 2002 to 2005 (Hinojosa and Thiel 2009;Hinojosa et al 2011;Thiel et al 2013). Typically, densities in the northern areas ranged from 10 to 50 items km −2 .…”

Section: Floating Marine Debrismentioning

confidence: 99%

“…Data expressed as quantities per linear distance are more difficult to compare because the results depend on beach size/width. Plastic accounts for a large part of litter on beaches from many areas with up to 68 % in California (Rosevelt et al 2013), 77 % in the south east of Taiwan (Liu et al 2013), Eriksson et al (2013) 86 % in Chile (Thiel et al 2013), and 91 % in the southern Black Sea (Topçu et al 2013). However, other types of litter or specific types of plastic may also be important in some areas, in terms of type (Styrofoam, crafted wood) or use (fishing gear).…”

Section: Beachesmentioning

confidence: 99%

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Global Distribution, Composition and Abundance of Marine Litter

Galgani

Hanke

Maes

2015

Marine Anthropogenic Litter

384

338

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Marine debris is commonly observed everywhere in the oceans. Litter enters the seas from both land-based sources, from ships and other installations at sea, from point and diffuse sources, and can travel long distances before being stranded. Plastics typically constitute the most important part of marine litter sometimes accounting for up to 100 % of floating litter. On beaches, most studies have demonstrated densities in the 1 item m −2 range except for very high concentrations because of local conditions, after typhoons or flooding events. Floating marine debris ranges from 0 to beyond 600 items km −2 . On the sea bed, the abundance of plastic debris is very dependent on location, with densities ranging from 0 to >7700 items km −2 , mainly in coastal areas. Recent studies have demonstrated that pollution of microplastics, particles <5 mm, has spread at the surface of oceans, in the water column and in sediments, even in the deep sea. Concentrations at the water surface ranged from thousands to hundred thousands of particles km −2 . Fluxes vary widely with factors such as proximity of urban activities, shore and coastal uses, wind and ocean currents. These enable the presence of accumulation areas in oceanic convergence zones and on the seafloor, notably in coastal canyons. Temporal trends are not clear with evidences for increases, decreases or without changes, depending on locations and environmental conditions. In terms of distribution and quantities, proper global estimations based on standardized approaches are still needed before considering efficient management and reduction measures.

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Section: Floating Marine Debrismentioning

confidence: 99%

Section: Beachesmentioning

confidence: 99%

Global Distribution, Composition and Abundance of Marine Litter

Galgani

Hanke

Maes

2015

Marine Anthropogenic Litter

384

338

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“…Plastics are the most abundant material collected in studies of marine debris floating on the ocean surface (e.g., Law et al 2010) and collected in beach surveys and beach cleanups (e.g., Thiel et al 2013, Ocean Conserv. 2014, and they are commonly observed on the seafloor (e.g., Galgani et al 2000).…”

Section: Plastics and Marine Debrismentioning

confidence: 99%

Plastics in the Marine Environment

Law

2017

Annu. Rev. Mar. Sci.

721

348

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Plastics contamination in the marine environment was first reported nearly 50 years ago, less than two decades after the rise of commercial plastics production, when less than 50 million metric tons were produced per year. In 2014, global plastics production surpassed 300 million metric tons per year. Plastic debris has been detected worldwide in all major marine habitats, in sizes from microns to meters. In response, concerns about risks to marine wildlife upon exposure to the varied forms of plastic debris have increased, stimulating new research into the extent and consequences of plastics contamination in the marine environment. Here, I present a framework to evaluate the current understanding of the sources, distribution, fate, and impacts of marine plastics. Despite remaining knowledge gaps in mass budgeting and challenges in investigating ecological impacts, the increasing evidence of the ubiquity of plastics contamination in the marine environment, the continued rapid growth in plastics production, and the evidence-albeit limited-of demonstrated impacts to marine wildlife support immediate implementation of source-reducing measures to decrease the potential risks of plastics in the marine ecosystem.

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“…Once in the ocean, plastic particles can both sink and float, becoming dispersed over long distances via tides and currents (Thiel et al, 2013). Significant quantities of plastic are now in all oceanic basins (Eriksen et al, 2014) and freshwater systems (Eerkes-Medrano et al, 2015), accounting for >80% of debris items recorded at-sea, on beaches, and along river banks (Gregory and Ryan, 1997;Hammer et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Ingestion of marine debris by Wedge-tailed Shearwaters (Ardenna pacifica) on Lord Howe Island, Australia during 2005–2018

Lavers

Hutton²,

Bond

2018

Marine Pollution Bulletin

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Annual rates of plastic production have been increasing rapidly since the 1950s. Inadequate or improper disposal of plastic products has contributed to a significant increase in plastic debris in the world's oceans and a corresponding increase in the number of species negatively affected by this debris. Here we investigate trends in the type, amount, and colour of ingested plastic over time, and determine whether ingested plastic contributes to reduced health of Wedge-tailed Shearwaters (Ardenna pacifica) on Lord Howe Island, Australia. The results show no clear influence of ingested plastic on body condition, while trends in the prevalence, number, and mass of plastic items ingested per bird during 2005 and 2013-2018 were more variable. There was some evidence adult birds are selecting plastic by colour. Future monitoring of this pan-tropical seabird would provide a unique opportunity to gather data from multiple sites, concurrently.

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Anthropogenic marine debris in the coastal environment: A multi-year comparison between coastal waters and local shores

Cited by 295 publications

References 86 publications

Global Distribution, Composition and Abundance of Marine Litter

Global Distribution, Composition and Abundance of Marine Litter

Plastics in the Marine Environment

Ingestion of marine debris by Wedge-tailed Shearwaters (Ardenna pacifica) on Lord Howe Island, Australia during 2005–2018

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