Risk Assessment of Plastic Pollution to Migratory Species in the Mekong and Ganga River Basins


The report “Risk assessment of plastic pollution to migratory species in the Mekong and Ganga River Basins” maps plastic hotspots and assesses the risk of plastic pollution on migratory species in these two river basins. It focuses on the impacts of plastic pollution on freshwater and terrestrial species protected under the Convention on the Conservation of Migratory Species of Wild Animals (CMS).

While many studies examine the impact plastic pollution poses to marine wildlife, the impacts on freshwater species are much less well studied. The report, therefore, provides an important tool to assess potential risks on such species that can be used globally.

Both river basins are home to 605 species protected under CMS including freshwater species, land animals, and birds. Many of them are listed as threatened or endangered by the IUCN.

In the Asia-Pacific region discarded fishing gear is a particular threat to the 23 species studied in both rivers. The report – prepared by the Commonwealth Scientific and Industrial Research Organization (CSIRO) for CMS – concludes with recommendations to address this global threat from plastic pollution.

This report is the result of a collaboration between CMS and the UN Environment Programme as part of the Japan-funded CounterMEASURE II project to identify sources and pathways of plastic pollution in river systems in Asia.

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Published DateMarch 2022
Publication LanguageEnglish
PublisherCMS Secretariat
TypeTechnical Reports
CMS InstrumentCMS