The Characteristics of Dissolved Organic Matter and Soil Microbial Communities in the Soils of Larix principis-rupprechtii Mayr. Plantations in the Qinling Mountains, China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Site
2.2. Experimental Design
2.3. Soil Physicochemical Properties and DOM Analysis
2.4. PARAFAC Modeling
2.5. Soil Microbial PLFA Analysis
2.6. Statistical Analysis
3. Results
3.1. Seasonal Changes in the Soil Physicochemical Properties of Stands of Differently Ages
3.2. Characteristics of the Different Components Identified via EEM-PARAFAC Analysis
3.3. Relative Distribution of DOM Components
3.4. Variations in UV–Visible Absorbance and Fluorescence Spectra Indicators of DOM
3.5. Seasonal Variations in Soil Microbial PLFAs in Stands of Different ages
3.6. Correlations between the Soil Physicochemical Factors, Characteristics of DOM and Soil Microbial Community Composition
4. Discussion
4.1. Seasonal Variations in Soil Physicochemical Properties of Stands of Different Ages
4.2. Effects of Seasonal Variations on Soil DOM Characteristics of Stands of Different Ages
4.3. Effects of Seasonal Variations on Microbial Community Structure
4.4. Effect of Soil Environmental Factors on the Soil Microbial Community
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Li, H.; Yang, Y.; Crabbe, M.J.C.; Chen, H. The Characteristics of Dissolved Organic Matter and Soil Microbial Communities in the Soils of Larix principis-rupprechtii Mayr. Plantations in the Qinling Mountains, China. Sustainability 2022, 14, 11968. https://doi.org/10.3390/su141911968
Li H, Yang Y, Crabbe MJC, Chen H. The Characteristics of Dissolved Organic Matter and Soil Microbial Communities in the Soils of Larix principis-rupprechtii Mayr. Plantations in the Qinling Mountains, China. Sustainability. 2022; 14(19):11968. https://doi.org/10.3390/su141911968
Chicago/Turabian StyleLi, Hailiang, Yang Yang, M. James C. Crabbe, and Haikui Chen. 2022. "The Characteristics of Dissolved Organic Matter and Soil Microbial Communities in the Soils of Larix principis-rupprechtii Mayr. Plantations in the Qinling Mountains, China" Sustainability 14, no. 19: 11968. https://doi.org/10.3390/su141911968