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Assessing Microplastic Prevalence and Dispersion from Saigon Urban Canals via Can Gio Mangrove Reserve to East Sea by Raman Scattering Microscopy
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Researchers used Raman scattering microscopy to assess microplastic prevalence and dispersion along a transect from Saigon urban canals through the Can Gio Mangrove Reserve to the East Sea, characterizing how urban plastic pollution travels through mangrove ecosystems into coastal marine waters.
Plastic pollution is one of the significant environmental concerns due to the threefold increase in global plastic waste. Marine microplastics, including petroleum-based plastic pieces and synthetic and artificial fibers smaller than 5 mm, are not only ubiquitous in natural water but also high in wastewater streams due to the direct discharge, transfer and breakdown of plastic items. This research aims to investigate the presence and dispersion of microplastics in the downtown area and coastal suburban area of Ho-Chi-Minh City by using Raman microscopy. As a result, the most common plastics (PE, PET, PA, PP, PVC, PS and PMMA) were detected, and most of them were fibrous shorter than 500 μm. The total microplastics decreased gradually from the urban waterborne (up to 220 MPs/L) via Can Gio UNESCO Mangrove Biosphere Reserve (10 MPs/L) and to the East Sea (3 MPs/L), which reveals the potential role of the mangrove in reducing marine contaminants including microplastics. This study provides important insights into microplastic pollution in the Western Pacific Region, especially the Saigon-Dong Nai river systems, supporting useful data for natural water resources management.
More Papers Like This
Assessing microplastic dispersion from Saigon urban canals via Can Gio Mangrove Reserve to East Sea in Vietnam by Raman scattering microscopy
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This study traced the movement of microplastics from urban canals in Ho Chi Minh City through the Can Gio Mangrove Reserve to the East Sea using Raman scattering microscopy. Results confirmed that urban plastic pollution is transported through mangrove-lined coastal waterways to the open ocean.
Assessing microplastic dispersion from Saigon urban canals via Can Gio Mangrove Reserve to East Sea in Vietnam by Raman scattering microscopy
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Researchers used Raman microscopy to trace microplastics from Ho Chi Minh City urban canals through the Can Gio Mangrove Reserve to the East Sea, detecting common polymers including PE, PET, PA, PP, PVC, PS, and PMMA throughout. The study demonstrates how urban plastic waste can travel from inland waterways into coastal and marine ecosystems in Vietnam.
Distribution of microplastics in surface water from Saigon River to Can Gio Sea
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Researchers found widespread microplastic contamination in surface water samples from the Saigon River and Can Gio Sea in Vietnam, with concentrations and particle types shifting from river to coastal environments, reflecting the transport of land-based plastic pollution into marine systems.
Integrated assessment of macro- and microplastic pollution in mangrove and coastal estuarine ecosystem of the Can Gio Biosphere Reserve, Vietnam: abundance and mass spatial distribution, polymer composition and driving factors
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Researchers conducted an integrated survey of macro-mesoplastics and microplastics across mangrove surfaces, sediments, and bivalves in Vietnam's Can Gio Biosphere Reserve, estimating roughly 132 tonnes of surface plastic accumulation and identifying population density and river morphology as the dominant drivers of spatial distribution patterns.
Characteristics and distribution of microplastics in the estuarine environment and beach sands of Can Gio, Ho Chi Minh City, Vietnam
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Researchers assessed the spatiotemporal distribution of microplastics in estuaries and beaches of the Can Gio Biosphere Reserve in Ho Chi Minh City, Vietnam, collecting over 300 water and sediment samples across dry and rainy seasons and characterising particles by size, morphology, and polymer composition using FTIR spectroscopy.
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