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Study of the Effects of Land Use on Hydrochemistry and Soil Microbial Diversity

College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
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Water 2019, 11(3), 466; https://doi.org/10.3390/w11030466
Received: 16 January 2019 / Revised: 26 February 2019 / Accepted: 28 February 2019 / Published: 5 March 2019
(This article belongs to the Section Hydrology)
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Abstract

The objectives of this study were to compare the influence of land use, to determine which land has an impact on hydrochemistry and to clarify the impact of land use on soil microbial diversity and the correlation between hydrochemistry and soil microbial diversity. The impacts were assessed through chemical and biological data from 4 land-use groups. The results showed that soil microbial diversity and water chemical composition were different under different land uses. There was a strong correlation between the main hydrochemical components under different land uses, and the M03 had the highest correlation. The Shannon index was the largest for M01, the Simpson index was the smallest for M01, and the Chao1 and Ace indexes were the largest for M02. Actinobacteria, Proteobacteria and Acidobacteria were the dominant bacteria with different land uses, and some bacteria were present or absent depending on the land use. It was found that the soil CO2 content was different with different land uses. Soil CO2 content, hydrochemistry and soil microbial species were related to each other. A heatmap analysis showed that the F and soil CO2 content showed a strong correlation with soil microorganisms and that the dominant bacteria were positively correlated. Under different land uses, hydrochemistry, soil CO2 and soil microorganisms interact with one another. View Full-Text
Keywords: land use; hydrochemical; soil CO2; soil microbial land use; hydrochemical; soil CO2; soil microbial
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Zhang, H.; Gao, Z.; Shi, M.; Fang, S.; Xu, H.; Cui, Y.; Liu, J. Study of the Effects of Land Use on Hydrochemistry and Soil Microbial Diversity. Water 2019, 11, 466.

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