Interactions between marine megafauna and plastic pollution in Southeast Asia

Omeyer, Lucy C.M., Duncan, Emily M., Abreo, Neil Angelo S., Acebes, Jo Marie V., AngSinco-Jimenez, Lea A., Anuar, Sabiqah T., Aragones, Lemnuel V., Araujo, Gonzalo, Carrasco, Luis R., Chua, Marcus A.H., Cordova, Muhammad R., Dewanti, Lantun P., Espiritu, Emilyn Q., Garay, Jovanie B., Germanov, Elitza S., Getliff, Jade, Horcajo-Berna, Eva, Ibrahim, Yusof S., Jaafar, Zeehan, Janairo, Jose Isagani B., Gyi, Thanda Ko, Kreb, Danielle, Lim, Cheng Ling, Lyons, Youna, Mustika, Putu L.K., Neo, Mei Lin, Ng, Sirius Z.H., Pasaribu, Buntora, Pariatamby, Agamuthu, Peter, Cindy, Porter, Lindsay, Purba, Noir P., Santa Cruz, Ernesto T., Shams, Shahriar, Thompson, Kirsten F., Torres, Daniel S., Westerlaken, Rodney, Wongtawan, Tuempong, and Godley, Brendan J. (2023) Interactions between marine megafauna and plastic pollution in Southeast Asia. Science of the Total Environment, 874. 162502.

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Abstract

Southeast (SE) Asia is a highly biodiverse region, yet it is also estimated to cumulatively contribute a third of the total global marine plastic pollution. This threat is known to have adverse impacts on marine megafauna, however, understanding of its impacts has recently been highlighted as a priority for research in the region. To address this knowledge gap, a structured literature review was conducted for species of cartilaginous fishes, marine mammals, marine reptiles, and seabirds present in SE Asia, collating cases on a global scale to allow for comparison, coupled with a regional expert elicitation to gather additional published and grey literature cases which would have been omitted during the structured literature review. Of the 380 marine megafauna species present in SE Asia, but also studied elsewhere, we found that 9.1 % and 4.5 % of all publications documenting plastic entanglement (n = 55) and ingestion (n = 291) were conducted in SE Asian countries. At the species level, published cases of entanglement from SE Asian countries were available for 10 % or less of species within each taxonomic group. Additionally, published ingestion cases were available primarily for marine mammals and were lacking entirely for seabirds in the region. The regional expert elicitation led to entanglement and ingestion cases from SE Asian countries being documented in 10 and 15 additional species respectively, highlighting the utility of a broader approach to data synthesis. While the scale of the plastic pollution in SE Asia is of particular concern for marine ecosystems, knowledge of its interactions and impacts on marine megafauna lags behind other areas of the world, even after the inclusion of a regional expert elicitation. Additional funding to help collate baseline data are critically needed to inform policy and solutions towards limiting the interactions of marine megafauna and plastic pollution in SE Asia.

Item ID: 77871
Item Type: Article (Research - C1)
ISSN: 1879-1026
Copyright Information: © 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Date Deposited: 07 Mar 2023 02:32
FoR Codes: 31 BIOLOGICAL SCIENCES > 3103 Ecology > 310305 Marine and estuarine ecology (incl. marine ichthyology) @ 75%
41 ENVIRONMENTAL SCIENCES > 4105 Pollution and contamination > 410599 Pollution and contamination not elsewhere classified @ 25%
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