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Socioeconomics effects on global hotspots of common debris items on land and the seafloor


Hardesty, BD and Roman, L and Leonard, GH and Mallos, N and Pragnell-Raasch, H and Campbell, I and Wilcox, C, Socioeconomics effects on global hotspots of common debris items on land and the seafloor, Global Environmental Change. Part A pp. 1-14. ISSN 0959-3780 (2021) [Refereed Article]

Copyright Statement

2021 Published by Elsevier Ltd.

DOI: doi:10.1016/j.gloenvcha.2021.102360


Pollution of coastal environments by anthropogenic debris is a global problem that is increasingly in the public eye. We evaluated the influence of socioeconomic and geographic factors on common debris items at a global scale. We compared debris density and socioeconomic drivers of the ten most common items reported on land and the seafloor, analyzing data from 22,508 land-based and 7,290 seafloor clean-ups and surveys across 116 and 118 countries, respectively. We found debris hotspots for different items span numerous countries across all continents. This demonstrates that the debris problem is global and heterogeneous, pointing to the transboundary nature of the issue and necessitating sub-national approaches to implementing effective solutions. Food and beverage packaging items, predominantly made from single-use plastics, accounted for much of the debris. Hotspots of individual debris items were differentially driven by socioeconomic factors. In general, total debris counts increased with the value of infrastructure, and decreased with national wealth. Highly polluted sites occurred in high-infrastructure, low-wealth locations such as Athens, Greece; Tunis, Tunisia and Lima, Peru. Based on these findings, we identify specific opportunities for policy makers and citizens alike to focus efforts aimed at reducing debris entering the environment.

Item Details

Item Type:Refereed Article
Keywords:plastic pollution, global, marine debris, single use plastic, citizen science
Research Division:Environmental Sciences
Research Group:Pollution and contamination
Research Field:Pollution and contamination not elsewhere classified
Objective Division:Environmental Management
Objective Group:Marine systems and management
Objective Field:Marine systems and management not elsewhere classified
UTAS Author:Roman, L (Dr Lauren Roman)
ID Code:146622
Year Published:2021
Web of Science® Times Cited:5
Deposited By:Ecology and Biodiversity
Deposited On:2021-09-17
Last Modified:2021-11-16

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