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The Interplay of Labile Organic Carbon, Enzyme Activities and Microbial Communities of Two Forest Soils Across Seasons by Xu, Chen-yang (author);Du, Can (author);Jian, Jin-shi (author);Hou, Lin (author);Wang, Zhi-kang (author);Wang, Qiang (author);Geng, Zeng-chao (author) is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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## Abstract Soil labile organic carbon (LOC) responds rapidly to environmental changes and plays an important role in carbon cycle. In this study, the seasonal fluctuations in LOC, the activities of carbon-cycle related enzymes, and the bacterial and fungal communities were analyzed for soils collected from two forests, namely Betula albosinensis (Ba) and Picea asperata Mast. (Pa), in the Qinling Mountains of China. Results revealed that the seasonal average contents of microbial biomass carbon (MBC), easily oxidized organic carbon (EOC), and dissolved organic carbon (DOC) of Pa forest soil were 13.5%, 30.0% and 15.7% less than those in Ba soil. The seasonal average enzyme activities of β-1,4-glucosidase (βG), and β-1,4-xylosidase (βX) of Ba forest soils were 30.0% and 32.3% higher than those of Pa soil while the enzyme activity of cellobiohydrolase (CBH) was 19.7% lower. Furthermore, the relative abundance of Acidobacteria was significantly higher in summer than in winter, whereas the relative abundance of Bacteroidetes was higher in winter. Regarding the fungal communities, the relative abundance of Basidiomycota was lowest in winter, whereas Ascomycota predominated in the same s

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Author

Xu, Chen-yang (author);Du, Can (author);Jian, Jin-shi (author);Hou, Lin (author);Wang, Zhi-kang (author);Wang, Qiang (author);Geng, Zeng-chao (author)

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)