4.7 Article

Microplastic pollution in Marine Protected Areas of Southern Sri Lanka

期刊

MARINE POLLUTION BULLETIN
卷 168, 期 -, 页码 -

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2021.112462

关键词

Microplastics; Marine Protected Areas; Monsoon currents; Pollution

资金

  1. GRID-Arendal
  2. Norwegian Agency for Development Cooperation (NORAD), Ministry of Foreign Affairs

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The study found that microplastics are present in coastal and lagoon sediments and water in two Marine Protected Areas in Sri Lanka, with higher abundance in the Hikkaduwa Marine National Park. The most common shape and polymer type of microplastics were fragments and Polyethylene, respectively. This research provides a baseline for future studies and management of microplastic pollution in these environments.
Microplastics (MPs) are ubiquitous in marine environment. The prevalence of MPs in coastal and lagoon sediments, and water were studied in two Marine Protected Areas (MPAs); Bundala National Park (BNP) and Hikkaduwa Marine National Park (HNP) in Sri Lanka. Both areas are important for turtles, birds and coral ecosystems, all of which are particularly threatened by MPs. Abundance of MPs was generally higher in both coastal sediments and waters in HNP (111 +/- 29 MPs/m2 for sediments and 0.515 +/- 0.054 MPs/m3 for water) than in the BNP (102 +/- 16 MPs/m2 for sediments and 0.276 +/- 0.077 MPs/m3 for water). The most common shape and polymer type of MPs were fragments and Polyethylene respectively. This research is the first to survey MPs in MPAs in Sri Lanka and provides a baseline of MPs pollution in these environments for future research and management.

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