Title: Identifying Sources of Marine Litter
Authors: VEIGA Joana MiraFLEET DavidKINSEY SueNILSSON PerVLACHOGIANNI ThomaisWERNER StefanieGALGANI FrancoisTHOMPSON RichardDAGEVOS JeroenGAGO JesusSOBRAL PaulaCRONIN Richard
Editors: HANKE Georg
Publisher: Publications Office of the European Union
Publication Year: 2016
JRC N°: JRC104038
ISBN: 978-92-79-64521-1 (print)
978-92-79-64522-8 (pdf)
ISSN: 1018-5593 (print)
1831-9424 (online)
Other Identifiers: EUR 28309 EN
OP LB-NA-28309-EN-C (print)
OP LB-NA-28309-EN-N (online)
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC104038
DOI: 10.2788/956934
10.2788/018068
Type: EUR - Scientific and Technical Research Reports
Abstract: Marine litter is a global problem causing harm to marine wildlife, coastal communities and maritime activities. It also embodies an emerging concern for human health and safety. The reduction of marine litter pollution poses a complex challenge for humankind, requiring adjustments in human behaviour as well as in the different phases of the life-cycle of products and across multiple economic sectors. The Marine Strategy Framework Directive (MSFD) requires European Member States to monitor marine litter and implement programmes of measures to reduce its occurrence. A crucial step in monitoring and effectively addressing marine litter is the identification of the origin and the pathways that lead to litter entering the marine environment. A given site or region can be subject to litter pollution from a number of sources, which can be local, regional or even distant, as litter can be transported to a specific area by ocean currents and wind drift. For this reason, pinpointing the origin of the different items that make up marine litter is a difficult task and will always have an inherent degree of associated uncertainty. Plastic food packaging recorded in the marine environment, for example, can consist of a diverse selection of items, which can be generated from a number of sources, which in turn can be sea-based or land-based and originate from near or distant regions. A wide variety of methods have been used over the years to determine the sources of marine litter, from simple counts of items believed to originate from a given source to more complex statistical methods. This report provides a brief overview of the main methods used and outlines one of the most promising approaches for determining sources – a Matrix Score Technique based on likelihoods, which considers the possibility that specific items originate from more than one source. Furthermore, it presents a series of other parameters that can be used to analyse data-sets, with regard to the use, origin and risk of items recorded in the marine or coastal environments. These can further support decision-making when considering preventive measures. Finally, recommendations to help the process of identification of sources are given, from the early stage of data collection and site characterization to bringing in the knowledge of local stakeholders to better determine where litter is coming from and what needs to be done to prevent it.
JRC Directorate:Sustainable Resources

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