Monitoring the abundance of plastic debris in the marine environment.
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Ryan, Peter G.
Moore, Charles J.
Franeke, Jan A. van
Moloney, Coleen L.
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Plastic debris has significant environmental and economic impacts in marine systems. Monitoring is crucial to assess the efficacy of measures implemented to reduce the abundance of plastic debris, but it is complicated by large spatial and temporal heterogeneity in the amounts of plastic debris and by our limited understanding of the pathways followed by plastic debris and its long-term fate. To date, most monitoring has focused on beach surveys of stranded plastics and other litter. Infrequent surveys of the standing stock of litter on beaches provide crude estimates of debris types and abundance, but are biased by differential removal of litter items by beachcombing, cleanups and beach dynamics. Monitoring the accumulation of stranded debris provides an index of debris trends in adjacent waters, but is costly to undertake. At-sea sampling requires large sample sizes for statistical power to detect changes in abundance, given the high spatial and temporal heterogeneity. Anoth.....
JournalPhilosphical Transactions of the Royal Society B
Sustainable Development Goals (SDG)14
Best Practice TypeManual (incl. handbook, guide, cookbook etc)
Standard Operating Procedure
CitationRyan, P.G.; Moore, C.J.; van Franeker, J.A. and Moloney, C.L. (2009) Monitoring the abundance of plastic debris in the marine environment. Philosophical Transactions of the Royal Society, B, 364, pp.1999–2012. DOI::10.1098/rstb.2008.0207