Marine debris in mangroves and on the seabed: Largely-neglected litter problems

Debrot, Adolphe O.; Meesters, H.W.G.; Bron, Patrick S.; León, Ramón de

doi:10.1016/j.marpolbul.2013.03.023

Cited by 73 publications

(47 citation statements)

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“…Most studies range from a local (Lee et al 2013) to a regional scale (Bravo et al 2009) and cover a broad temporal range. Information on sources, composition, amounts, usages, baseline data and environmental significance are often also gathered (Cordeiro and Costa 2010;Debrot et al 2013;Rosevelt et al 2013) as such data are easier collected. Most studies record all litter items encountered between the sea and the highest strandline on the upper shore.…”

Section: Beachesmentioning

confidence: 99%

Global Distribution, Composition and Abundance of Marine Litter

Galgani

Hanke

Maes

2015

Marine Anthropogenic Litter

433

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: Beachesmentioning

confidence: 99%

Global Distribution, Composition and Abundance of Marine Litter

Galgani

Hanke

Maes

2015

Marine Anthropogenic Litter

433

338

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“…In a similar fashion, AL abundance on ocean beaches are well-studied, but other marine habitats such as rocky coastlines, marshes, and mangroves are less frequently examined and can have considerable AL accumulations (Abu-Hilal and Al-Najjar, 2009;Debrot et al, 2013;Viehman et al, 2011). AL abundance on non-beach habitats such as upland grasses, marshes, or rocky shorelines have rarely been measured in the Great Lakes (but see Zbyszewski et al, 2014).…”

Section: Primary Source Of Al Was Direct Littering From Beach Visitorsmentioning

confidence: 99%

Abundance and environmental drivers of anthropogenic litter on 5 Lake Michigan beaches: A study facilitated by citizen science data collection

Hoellein

Westhoven

Lyandres³

et al. 2015

Journal of Great Lakes Research

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“…For the southeastern Caribbean, some recent data is available on anthropogenic marine litter but this is practically limited to intertidal (e.g. Debrot et al, 1999Debrot et al, , 2013a and shallow sublittoral habitats (Nagelkerken et al, 2001;Debrot et al, 2013b). These litter densities are generally extremely high compared to other regions of the world, but no data are yet available for deeper tropical waters in the Caribbean.…”

Section: Introductionmentioning

confidence: 99%