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Title

Microplastic particles in coastal waters of the southern Caspian Sea

Year: 1399
COI: EICONF06_078
Language: EnglishView: 311
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Authors

Mohammad Javad Nematollahi - Department of Earth Sciences, College of Sciences, Shiraz University, Shiraz, Iran- Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Oslo (UiO), Oslo, Norway
Farid Moore - Department of Earth Sciences, College of Sciences, Shiraz University, Shiraz, Iran
Behnam Keshavarzi - Department of Earth Sciences, College of Sciences, Shiraz University, Shiraz, Iran
Rolf David Vogt - Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Oslo (UiO), Oslo, Norway
Hassan Nasrollahzadeh Saravi - Caspian Sea Ecology Research Center (CSERC), Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Sari, Iran

Abstract:

This study assesses the occurrence of microplastic (MP) particles in water samples, collected from the coastal region of the southern Caspian Sea, Mazandaran province, Iran. A total of 7100 MP items were visually detected in 10 water samples. The mean abundance of MP particles in the water was 710 items m-3. The MP particles were mainly fibers, and black color dominated. Dominant size class of MP particle in the water samples was greater than 1000 μm. Polyethylene terephthalate (PET), polystyrene (PS), and nylon (NYL) were the major polymers and/or copolymers comprising MP particles. The MP particles had a relatively smooth surface morphology, although signs of different types of weathering (i.e. grooves, pits, etc.) were observed. The number of MP particles in water samples showed a general decrease from west to east in the study area. This may be reflecting the spreading of MP loading from the outlets of Sefidrud, Tonekabon, Chalus, the major rivers entering the Caspian Sea just west of the study area, and the overall decrease in the spatial distribution of touristic and fishery activity. A few locations in the east of the study area had a moderate frequency of MP particles. This is likely due to local emissions of MP from a large number of domestic wastewater effluents and urban surface runoff due to high population density, and industrial and commercial activities in this region. This is the second and most comprehensive research on the status of MP particles in coastal waters of the southern Caspian Sea.

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Paper COI Code

This Paper COI Code is EICONF06_078. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1039202/

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Nematollahi, Mohammad Javad and Moore, Farid and Keshavarzi, Behnam and David Vogt, Rolf and Nasrollahzadeh Saravi, Hassan,1399,Microplastic particles in coastal waters of the southern Caspian Sea,The 6th International Conference on Environmental Engineering and Natural Resource,Tehran,https://civilica.com/doc/1039202

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Type of center: دانشگاه دولتی
Paper count: 19,035
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