Microplastic pollution in the marine environment: Sources, impacts, and degradation.

Microplastics (MPs) are tiny particles derived from plastic, and their high fragmentation poses a significant threat to the marine environment. MPs can originate from various sources, such as primary or secondary sources as well as internal or external sources. However, in marine environments, MPs m...

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Main Authors: Osamah A. Ahmad, Mamdoh T. Jamal, Hamdah S. Almalki, Abeer H. Alzahrani, Amirah S. Alatawi, Md Fazlul Haque.
Format: Article
Language:English
Published: Network for the Veterinarians of Bangladesh 2025-03-01
Series:Journal of Advanced Veterinary and Animal Research
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Online Access:http://www.ejmanager.com/fulltextpdf.php?mno=230332
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author Osamah A. Ahmad
Mamdoh T. Jamal
Hamdah S. Almalki
Abeer H. Alzahrani
Amirah S. Alatawi
Md Fazlul Haque.
author_facet Osamah A. Ahmad
Mamdoh T. Jamal
Hamdah S. Almalki
Abeer H. Alzahrani
Amirah S. Alatawi
Md Fazlul Haque.
author_sort Osamah A. Ahmad
collection DOAJ
description Microplastics (MPs) are tiny particles derived from plastic, and their high fragmentation poses a significant threat to the marine environment. MPs can originate from various sources, such as primary or secondary sources as well as internal or external sources. However, in marine environments, MPs mainly enter from external sources, such as plastic waste, debris from land-based activities, tourism, shipping, and atmospheric deposition. MP accumulation in marine ecosystems is also influenced by the use of plastic equipment, aquaculture feed, health products, and particular environmental conditions. Understanding the ecotoxicological effects of environmentally relevant concentrations of MPs on the health of marine organisms is crucial. The effects of MPs on the health of marine organisms are well reported by different studies, highlighting their interactions with a wide range of marine life, including plankton, invertebrates, crustaceans, corals, seagrass, fish, and even humans. Thus, MPs have been reported as a notorious pollutant because of their deleterious impacts on the morphology, physiology, immunology, behavior, reproduction, and heredity of marine organisms. Moreover, most MPs are slowly degradable, and degradation is dependent on various biotic and abiotic factors, resulting in continuous accumulation in the marine environment. This review provides an in-depth explanation of the sources of MPs, along with their impacts on marine organisms, ecosystems, aquaculture, and human health. In addition, it will discuss the degradation of MPs in the marine environment to explore the potential strategies for reducing the harmful impacts of MPs. [J Adv Vet Anim Res 2025; 12(1.000): 260-279]
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spelling doaj-art-4fe5fb6e7bf14f1996db0ee8c617f45f2025-08-20T02:29:42ZengNetwork for the Veterinarians of BangladeshJournal of Advanced Veterinary and Animal Research2311-77102025-03-0112126027910.5455/javar.2025.l893230332Microplastic pollution in the marine environment: Sources, impacts, and degradation.Osamah A. Ahmad0Mamdoh T. Jamal1Hamdah S. Almalki2Abeer H. Alzahrani3Amirah S. Alatawi4Md Fazlul Haque.5Department of Marine Biology, Faculty of Marine Sciences, King Abdulaziz University, Jeddah, Saudi Arabia Department of Marine Biology, Faculty of Marine Sciences, King Abdulaziz University, Jeddah, Saudi Arabia Department of Animal Biology, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia Department of Animal Biology, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia Department of Animal Biology, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia Department of Zoology, Faculty of Biological Sciences, University of Rajshahi, Rajshahi, Bangladesh.Microplastics (MPs) are tiny particles derived from plastic, and their high fragmentation poses a significant threat to the marine environment. MPs can originate from various sources, such as primary or secondary sources as well as internal or external sources. However, in marine environments, MPs mainly enter from external sources, such as plastic waste, debris from land-based activities, tourism, shipping, and atmospheric deposition. MP accumulation in marine ecosystems is also influenced by the use of plastic equipment, aquaculture feed, health products, and particular environmental conditions. Understanding the ecotoxicological effects of environmentally relevant concentrations of MPs on the health of marine organisms is crucial. The effects of MPs on the health of marine organisms are well reported by different studies, highlighting their interactions with a wide range of marine life, including plankton, invertebrates, crustaceans, corals, seagrass, fish, and even humans. Thus, MPs have been reported as a notorious pollutant because of their deleterious impacts on the morphology, physiology, immunology, behavior, reproduction, and heredity of marine organisms. Moreover, most MPs are slowly degradable, and degradation is dependent on various biotic and abiotic factors, resulting in continuous accumulation in the marine environment. This review provides an in-depth explanation of the sources of MPs, along with their impacts on marine organisms, ecosystems, aquaculture, and human health. In addition, it will discuss the degradation of MPs in the marine environment to explore the potential strategies for reducing the harmful impacts of MPs. [J Adv Vet Anim Res 2025; 12(1.000): 260-279]http://www.ejmanager.com/fulltextpdf.php?mno=230332degradation; ecotoxicity; marine organisms; pollution; microplastics
spellingShingle Osamah A. Ahmad
Mamdoh T. Jamal
Hamdah S. Almalki
Abeer H. Alzahrani
Amirah S. Alatawi
Md Fazlul Haque.
Microplastic pollution in the marine environment: Sources, impacts, and degradation.
Journal of Advanced Veterinary and Animal Research
degradation; ecotoxicity; marine organisms; pollution; microplastics
title Microplastic pollution in the marine environment: Sources, impacts, and degradation.
title_full Microplastic pollution in the marine environment: Sources, impacts, and degradation.
title_fullStr Microplastic pollution in the marine environment: Sources, impacts, and degradation.
title_full_unstemmed Microplastic pollution in the marine environment: Sources, impacts, and degradation.
title_short Microplastic pollution in the marine environment: Sources, impacts, and degradation.
title_sort microplastic pollution in the marine environment sources impacts and degradation
topic degradation; ecotoxicity; marine organisms; pollution; microplastics
url http://www.ejmanager.com/fulltextpdf.php?mno=230332
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