Environmental Pollution, volume 297, pages 118747
Features of the accumulation of macroplastic on the river bottom in the Mekong delta and the impact on fish and decapods
2
Joint Russian-Vietnamese Tropical Research and Technological Center of the A. N. Severtsov Institute of Ecology and Evolution, Ho Chi Minh City, Viet Nam
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Publication type: Journal Article
Publication date: 2022-03-01
Journal:
Environmental Pollution
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 8.9
ISSN: 02697491, 18736424
General Medicine
Health, Toxicology and Mutagenesis
Pollution
Toxicology
Abstract
For the first time, a quantitative assessment of this pollutant was made at the bottom of the rivers of the Mekong basin, and the features of its accumulation and dynamics in bottom sediments and relationship with abundance of fish and decapods were investigated. Sampling of materials for the research was carried out by bottom trawls in the Mekong delta in Vietnam. The amount of macroplastic caught by the trawl from the bottom averaged 33.4 g/100 m2. The maximum values of the waste content (up to 923.2 g/100 m2) were confined to the districts of large cities. The distribution of macroplastic was characterized by high spatio-temporal variability. Its amount was significantly (p < 0.05) higher in branches with low monthly flow, in shallow-water areas, as well as in the low-water period. During the flood period, which usually lasts from July to November, the amount of macroplastic at the bottom decreased by an average of 2.5 times. In this study a significant relationship between the number of animals and the mass of macroplastics was statistically proven for most species of fish and decapods. The substrate, containing a significant amount of plastic fragments, attracted aquatic organisms. All in all, we present results for poorly understood processes of transport, deposition and influence of plastic debris in large rivers in regions of monsoon subequatorial climate and show that more efforts should be dedicated to further unravel potentially complex pathways of the plastic exposure to water ecosystems.
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Karpova E. et al. Features of the accumulation of macroplastic on the river bottom in the Mekong delta and the impact on fish and decapods // Environmental Pollution. 2022. Vol. 297. p. 118747.
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Karpova E., Abliazov E., Statkevich S., Dinh C. N. Features of the accumulation of macroplastic on the river bottom in the Mekong delta and the impact on fish and decapods // Environmental Pollution. 2022. Vol. 297. p. 118747.
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TY - JOUR
DO - 10.1016/j.envpol.2021.118747
UR - https://doi.org/10.1016%2Fj.envpol.2021.118747
TI - Features of the accumulation of macroplastic on the river bottom in the Mekong delta and the impact on fish and decapods
T2 - Environmental Pollution
AU - Karpova, Evgeniia
AU - Abliazov, Ernes
AU - Statkevich, Svetlana
AU - Dinh, Cu Nguyen
PY - 2022
DA - 2022/03/01 00:00:00
PB - Elsevier
SP - 118747
VL - 297
SN - 0269-7491
SN - 1873-6424
ER -
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@article{2022_Karpova,
author = {Evgeniia Karpova and Ernes Abliazov and Svetlana Statkevich and Cu Nguyen Dinh},
title = {Features of the accumulation of macroplastic on the river bottom in the Mekong delta and the impact on fish and decapods},
journal = {Environmental Pollution},
year = {2022},
volume = {297},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016%2Fj.envpol.2021.118747},
pages = {118747},
doi = {10.1016/j.envpol.2021.118747}
}