Changes in Bacterial Communities and Their Effects on Soil Carbon Storage in Spartina alterniflora Invasion Areas, Coastal Wetland Bare Flats, and Sueada salsa Areas

Jiashuo Liu, Xiaoxiao Duan, Guo Li, Zhenjie Cai, Sijie Wei, Qixuan Song () and Zheng Zheng ()
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Jiashuo Liu: Department of Environmental Science & Engineering, Fudan University, 2005 Songhu Road, Shanghai 200438, China
Xiaoxiao Duan: Department of Environmental Science & Engineering, Fudan University, 2005 Songhu Road, Shanghai 200438, China
Guo Li: Department of Environmental Science & Engineering, Fudan University, 2005 Songhu Road, Shanghai 200438, China
Zhenjie Cai: Department of Environmental Science & Engineering, Fudan University, 2005 Songhu Road, Shanghai 200438, China
Sijie Wei: Department of Environmental Science & Engineering, Fudan University, 2005 Songhu Road, Shanghai 200438, China
Qixuan Song: School of Life Sciences, Nanjing University, No. 163 Xianlin Road, Nanjing 210023, China
Zheng Zheng: School of Life Sciences, Nanjing University, No. 163 Xianlin Road, Nanjing 210023, China

IJERPH, 2023, vol. 20, issue 5, 1-12

Abstract: Spartina alterniflora is considered an invasive species that has affected the biogeochemical circle of carbon in coastal wetlands around the world. Nevertheless, it is still unclear how S. alternation invasion affects the carbon storage capacity of coastal wetlands as carbon pools through bacterial changes. Herein, bacterial communities and soil carbon content in coastal wetland native areas and S. alterniflora invasion areas were detected. It was found that an S. alterniflora invasion brought more organic carbon and resulted in the increase in Proteobacteria in bare flats and Sueada salsa areas. When decomposition capacity was not sufficient, large amounts of organic carbon may be stored in specific chemical forms, such as monosaccharides, carboxylic acids, alcohols, etc. The results have also shown that soil bacterial communities were highly similar between the bare flat and S. alterniflora invasion area, which is extremely conducive to the rapid growth of S. alterniflora . However, an S. alterniflora invasion would decrease total carbon contents and inorganic carbon contents in the Sueada salsa area. This is not conducive to the stability of the soil carbon pool and soil health. These findings may complement, to some extent, the shortcomings of the interaction between S. alterniflora and bacterial communities, and their joint effect on soil carbon storage.

Keywords: biological invasion; Spartina alterniflora; soil bacterial community; soil organic carbon (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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