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Spatial and temporal variation in microbial diversity and community structure in a contaminated Mangrove Wetland

Ma, J, Zhou, T, Xu, C, Shen, D, Xu, S and Lin, Chu Xia 2020, Spatial and temporal variation in microbial diversity and community structure in a contaminated Mangrove Wetland, Applied Sciences, vol. 10, no. 17, pp. 1-15, doi: 10.3390/app10175850.

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Title Spatial and temporal variation in microbial diversity and community structure in a contaminated Mangrove Wetland
Author(s) Ma, J
Zhou, T
Xu, C
Shen, D
Xu, S
Lin, Chu XiaORCID iD for Lin, Chu Xia orcid.org/0000-0002-2273-0560
Journal name Applied Sciences
Volume number 10
Issue number 17
Article ID 5850
Start page 1
End page 15
Total pages 15
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2020
ISSN 2076-3417
Keyword(s) mangrove
16s rRNA
microbial diversity
community structure
heavy metal
spatial variation
Summary Field and laboratory investigations were conducted to characterize bacterial diversity and community structure in a badly contaminated mangrove wetland adjacent to the metropolitan area of a megacity in subtropical China. Next-generation sequencing technique was used for sequencing the V4–V5 region of the 16s rRNA gene on the Illumina system. Collectively, Proteobacteria, Chloroflexi, Planctomycetes, Actinobacteria and Bacteroidetes were the predominant phyla identified in the investigated soils. A significant spatial variation in bacterial diversity and community structure was observed for the investigated mangrove soils. Heavy metal pollution played a key role in reducing the bacterial diversity. The spatial variation in soil-borne heavy metals shaped the spatial variation in bacterial diversity and community structure in the study area. Other environmental factors such as total carbon and total nitrogen in the soils that are affected by seasonal change in temperature could also influence the bacterial abundance, diversity and community structure though the temporal variation was relatively weaker, as compared to spatial variation. The bacterial diversity index was lower in the investigated site than in the comparable reference site with less contaminated status. The community structure in mangrove soils at the current study site was, to a remarkable extent, different from those in the tropical mangrove wetlands around the world.
Language eng
DOI 10.3390/app10175850
Indigenous content off
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2020, the authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30141578

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.