Surface sediment quality of the Red River (Vietnam): impacted by anthropogenic and natural factors

Le, Thi Phuong Quynh; Le, Nhu D.; Hoang, Thi Thu Ha; Rochelle‐Newall, Emma; Nguyen, Thi Anh Huong; Dinh, Le Minh; Duong, Thi Thuy; Pham, Thi Mai Hương; Tri, Nguyen; Phung, Thi Xuan Binh; Nguyen, Trong-Hung; Vu, T. H.; Le, Phuong Thu; Phung, Vu Phong

doi:10.1007/s13762-022-03936-z

Cited by 10 publications

(3 citation statements)

References 75 publications

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“…and can threaten microbial diversity ( Rochelle-Newall et al, 2011 ; Chu et al, 2014 ). The Red River’s name is derived from its reddish-brown waters, indicating a considerable sediment load (1,500 to 7,000 m 3 .s −1 ), rich in iron oxides ( Le et al, 2007 , 2022 ). Due to high organic particulate content, approximately 50% of the metals and metalloids (MM) fluxes drained by the Red River are deposited in sediments ( Le et al, 2022 ; Roberts et al, 2022 ).…”

Section: Introductionmentioning

confidence: 99%

“…The Red River’s name is derived from its reddish-brown waters, indicating a considerable sediment load (1,500 to 7,000 m 3 .s −1 ), rich in iron oxides ( Le et al, 2007 , 2022 ). Due to high organic particulate content, approximately 50% of the metals and metalloids (MM) fluxes drained by the Red River are deposited in sediments ( Le et al, 2022 ; Roberts et al, 2022 ). MM spatial distributions have been found mainly dependent of the organic matter and clay minerals from the Red River catchment ( Ho et al, 2010 ).…”

Section: Introductionmentioning

confidence: 99%

“…sediments (Le et al, 2022;Roberts et al, 2022). MM spatial distributions have been found mainly dependent of the organic matter and clay minerals from the Red River catchment (Ho et al, 2010).…”

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confidence: 99%

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Analysis of the metals and metalloids concentrations and of the bacterial population in sediments of the Red River Delta, Vietnam

Chifflet,

Chu van,

Bui Van

et al. 2024

Front. Microbiol.

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In this study, we discuss for the first time the relationships between the diversity of the bacterial population and of the metals and metalloids concentrations in the sediments of the Red River Delta, Vietnam. The analysis of the 16S rRNA by the Illumina technology revealed a diversified population and a potential of bioremediation by the microorganisms, notably by the Bacilli relatively abundant in the Bach Dang estuary, where high metals and metalloids concentrations were highlighted. This work offers new information on the environmental context of the delta and highlights the potential impact that metals and metalloids may have on the bacterial population. Further investigations on the role of the bacteria in the biogeochemistry of this ecosystem will be of interest for the development of bioremediation processes.

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