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Journal ArticleDOI

Trophic level transfer of microplastic: Mytilus edulis (L.) to Carcinus maenas (L.).

01 Jun 2013-Environmental Pollution (Environ Pollut)-Vol. 177, Iss: 177, pp 1-3
TL;DR: This study is the first to show 'natural' trophic transfer of microplastic, and its translocation to haemolymph and tissues of a crab, and has implications for the health of marine organisms, the wider food web and humans.
About: This article is published in Environmental Pollution.The article was published on 2013-06-01. It has received 1090 citations till now. The article focuses on the topics: Mytilus & Carcinus maenas.
Citations
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Journal ArticleDOI
10 Dec 2014-PLOS ONE
TL;DR: The total number of plastic particles and their weight floating in the world's oceans is estimated from 24 expeditions across all five sub-tropical gyres, costal Australia, Bay of Bengal and the Mediterranean Sea conducting surface net tows and visual survey transects of large plastic debris.
Abstract: Plastic pollution is ubiquitous throughout the marine environment, yet estimates of the global abundance and weight of floating plastics have lacked data, particularly from the Southern Hemisphere and remote regions. Here we report an estimate of the total number of plastic particles and their weight floating in the world’s oceans from 24 expeditions (2007–2013) across all five sub-tropical gyres, costal Australia, Bay of Bengal and the Mediterranean Sea conducting surface net tows (N5680) and visual survey transects of large plastic debris (N5891). Using an oceanographic model of floating debris dispersal calibrated by our data, and correcting for wind-driven vertical mixing, we estimate a minimum of 5.25 trillion particles weighing 268,940 tons. When comparing between four size classes, two microplastic ,4.75 mm and meso- and macroplastic .4.75 mm, a tremendous loss of microplastics is observed from the sea surface compared to expected rates of fragmentation, suggesting there are mechanisms at play that remove ,4.75 mm plastic particles from the ocean surface.

3,091 citations

Journal ArticleDOI
TL;DR: This review critically evaluates the current literature on the presence, behaviour and fate of microplastics in freshwater and terrestrial environments and, where appropriate, draws on relevant studies from other fields including nanotechnology, agriculture and waste management.

1,864 citations


Cites background from "Trophic level transfer of microplas..."

  • ...Microplastics are now commonly defined as particles with 171 the largest dimension smaller than 5 mm, although no lower size limit has been specifically defined 172 (Arthur and Baker, 2009; Duis and Coors, 2016; Faure et al., 2012)....

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Journal ArticleDOI
TL;DR: The issue of microplastics in freshwater systems is reviewed to summarise current understanding, identify knowledge gaps and suggest future research priorities.

1,688 citations


Cites background from "Trophic level transfer of microplas..."

  • ...Benthic marine invertebrates that ingest microplastics include sea cucumbers (Graham and Thompson, 2009), mussels (Browne et al., 2008; Farrell and Nelson, 2013), lobsters (Murray and Cowie, 2011), amphipods, lugworms, and barnacles (Thompson et al., 2004; Browne et al., 2013; Wright et al., 2013a)....

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  • ...vertebrates that ingest microplastics include sea cucumbers (Graham and Thompson, 2009), mussels (Browne et al., 2008; Farrell and Nelson, 2013), lobsters (Murray and Cowie, 2011), amphipods, lugworms, and barnacles (Thompson et al....

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Journal ArticleDOI
TL;DR: The presence of marine microplastics in seafood could pose a threat to food safety, however, due to the complexity of estimating microplastic toxicity, estimations of the potential risks for human health posed by microplastically in food stuffs is not (yet) possible.

1,378 citations


Cites background from "Trophic level transfer of microplas..."

  • ...Microplastics can either be ingested directly or indirectly through the consumption of lower trophic level prey (Farrell and Nelson, 2013)....

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Journal ArticleDOI
TL;DR: This study shows that despite the efficient removal rates of MP achieved by this modern treatment plant when dealing with such a large volume of effluent even a modest amount of microplastics being released per liter of Effluent could result in significant amounts of micro Plastics entering the environment.
Abstract: Municipal effluent discharged from wastewater treatment works (WwTW) is suspected to be a significant contributor of microplastics (MP) to the environment as many personal care products contain plastic microbeads. A secondary WwTW (population equivalent 650 000) was sampled for microplastics at different stages of the treatment process to ascertain at what stage in the treatment process the MP are being removed. The influent contained on average 15.70 (±5.23) MP·L–1. This was reduced to 0.25 (±0.04) MP·L–1 in the final effluent, a decrease of 98.41%. Despite this large reduction we calculate that this WwTW is releasing 65 million microplastics into the receiving water every day. A significant proportion of the microplastic accumulated in and was removed during the grease removal stage (19.67 (±4.51) MP/2.5 g), it was only in the grease that the much publicised microbeads were found. This study shows that despite the efficient removal rates of MP achieved by this modern treatment plant when dealing with su...

1,191 citations

References
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Journal ArticleDOI
07 May 2004-Science
TL;DR: It is shown that microscopic plastic fragments and fibers are also widespread in the marine environment and may persist for centuries.
Abstract: Millions of metric tons of plastic are produced annually. Countless large items of plastic debris are accumulating in marine habitats worldwide and may persist for centuries ([ 1 ][1]–[ 4 ][2]). Here we show that microscopic plastic fragments and fibers ([Fig. 1A][3]) are also widespread in the

4,067 citations


"Trophic level transfer of microplas..." refers background in this paper

  • ...Particles can also accumulate in sediment (Thompson et al., 2004), suggesting that these would be available to many benthic species....

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  • ...Invertebrates with a range of feeding methods have been shown to ingest microplastic including; filter feeders (mussels, barnacles), deposit feeders (lugworms) and detritivores (amphipods, sea cucumbers) (Browne et al., 2008; Thompson et al., 2004; Graham and Thompson, 2009)....

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Journal ArticleDOI
TL;DR: Model calculations and experimental observations consistently show that polyethylene accumulates more organic contaminants than other plastics such as polypropylene and polyvinyl chloride, and PCBs could transfer from contaminated plastics to streaked shearwater chicks.
Abstract: Plastics debris in the marine environment, including resin pellets, fragments and microscopic plastic fragments, contain organic contaminants, including polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons, petroleum hydrocarbons, organochlorine pesticides (2,2′-bis(p-chlorophenyl)-1,1,1-trichloroethane, hexachlorinated hexanes), polybrominated diphenylethers, alkylphenols and bisphenol A, at concentrations from sub ng g–1 to µg g–1. Some of these compounds are added during plastics manufacture, while others adsorb from the surrounding seawater. Concentrations of hydrophobic contaminants adsorbed on plastics showed distinct spatial variations reflecting global pollution patterns. Model calculations and experimental observations consistently show that polyethylene accumulates more organic contaminants than other plastics such as polypropylene and polyvinyl chloride. Both a mathematical model using equilibrium partitioning and experimental data have demonstrated the transfer of contaminants from plastic to organisms. A feeding experiment indicated that PCBs could transfer from contaminated plastics to streaked shearwater chicks. Plasticizers, other plastics additives and constitutional monomers also present potential threats in terrestrial environments because they can leach from waste disposal sites into groundwater and/or surface waters. Leaching and degradation of plasticizers and polymers are complex phenomena dependent on environmental conditions in the landfill and the chemical properties of each additive. Bisphenol A concentrations in leachates from municipal waste disposal sites in tropical Asia ranged from sub µg l–1 to mg l–1 and were correlated with the level of economic development.

2,114 citations


"Trophic level transfer of microplas..." refers background in this paper

  • ...PCBs can transfer from plastic to streaked shearwater chicks (Teuten et al., 2009) and hydrophobic contaminants have been found to be transported to sediment-dwelling organisms via plastic (Teuten et al., 2007)....

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  • ...Plastic contains organic contaminants, either added during manufacture or adsorbed from the seawater (Teuten et al., 2009)....

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Journal ArticleDOI
TL;DR: The data indicate as plastic fragments into smaller particles, the potential for accumulation in the tissues of an organism increases and further work using a wider range of organisms, polymers, and periods of exposure will be required to establish the biological consequences of this debris.
Abstract: Plastics debris is accumulating in the environment and is fragmenting into smaller pieces; as it does, the potential for ingestion by animals increases. The consequences of macroplastic debris for wildlife are well documented, however the impacts of microplastic (< 1 mm) are poorly understood. The mussel, Mytilus edulis, was used to investigate ingestion, translocation, and accumulation of this debris. Initial experiments showed that upon ingestion, microplastic accumulated in the gut. Mussels were subsequently exposed to treatments containing seawater and microplastic (3.0 or 9.6 microm). After transfer to clean conditions, microplastic was tracked in the hemolymph. Particles translocated from the gut to the circulatory system within 3 days and persisted for over 48 days. Abundance of microplastic was greatest after 12 days and declined thereafter. Smaller particles were more abundant than larger particles and our data indicate as plastic fragments into smaller particles, the potential for accumulation in the tissues of an organism increases. The short-term pulse exposure used here did not result in significant biological effects. However, plastics are exceedingly durable and so further work using a wider range of organisms, polymers, and periods of exposure will be required to establish the biological consequences of this debris.

1,708 citations


"Trophic level transfer of microplas..." refers background or methods in this paper

  • ...Microspheres ingested by mussels were translocated from the gut into the circulatory system and persisted for over 48 days (Browne et al., 2008)....

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  • ...Microplastic is ingested by many marine invertebrates as the particles are in the size range of plankton (Browne et al., 2008)....

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  • ...Invertebrates with a range of feeding methods have been shown to ingest microplastic including; filter feeders (mussels, barnacles), deposit feeders (lugworms) and detritivores (amphipods, sea cucumbers) (Browne et al., 2008; Thompson et al., 2004; Graham and Thompson, 2009)....

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Journal ArticleDOI
TL;DR: Marine plastic debris is divided into two categories: macro, >5 mm and micro, <5 mm, which provide potential danger to marine ecosystems from the accumulation of plastic debris on the sea floor and the potential bioavailability of compounds added to plastics at the time of manufacture, as well as those adsorbed from the environment.

1,572 citations


"Trophic level transfer of microplas..." refers background in this paper

  • ...Effects include blockage of the digestive tract and false satiation (Moore, 2008)....

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  • ...Many of these effects have yet to be studied and the long-term consequences remain largely unknown (Moore, 2008)....

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Journal ArticleDOI
TL;DR: Field adsorption experiments using PP virgin pellets demonstrated significant and steady increase in PCBs and DDE concentrations throughout the six-day experiment, indicating that the source of PCBs, DDE, and nonylphenols is ambient seawater and that adsor adaptation to pellet surfaces is the mechanism of enrichment.
Abstract: Plastic resin pellets (small granules 0.1−0.5 centimeters in diameter) are widely distributed in the ocean all over the world. They are an industrial raw material for the plastic industry and are unintentionally released to the environment both during manufacturing and transport. They are sometimes ingested by seabirds and other marine organisms, and their adverse effects on organisms are a concern. In the present study, PCBs, DDE, and nonylphenols (NP) were detected in polypropylene (PP) resin pellets collected from four Japanese coasts. Concentrations of PCBs (4−117 ng/g), DDE (0.16−3.1 ng/g), and NP (0.13−16 μg/g) varied among the sampling sites. These concentrations were comparable to those for suspended particles and bottom sediments collected from the same area as the pellets. Field adsorption experiments using PP virgin pellets demonstrated significant and steady increase in PCBs and DDE concentrations throughout the six-day experiment, indicating that the source of PCBs and DDE is ambient seawater...

1,481 citations


"Trophic level transfer of microplas..." refers background in this paper

  • ...Plastic can concentrate contaminants, up to the order of 106 (Mato et al., 2001), potentially acting as both source and vector for the contaminants....

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