Effects of Afforestation Patterns on Soil Nutrient and Microbial Community Diversity in Rocky Desertification Areas
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Site
2.2. Experimental Design and Soil Sample Collection
2.3. Analysis of Soil Physical and Chemical Properties
2.4. Illumina MiSeq High-Throughput Sequencing
2.5. Statistical Analyses
3. Results
3.1. Physicochemical Properties of Soil in Different Afforestation Patterns
3.2. Soil Microbial Community Structure among Different Afforestation Patterns
3.3. Co-Occurrence Patterns of Soil Microbial in Different Afforestation Patterns
4. Discussion
4.1. Physicochemical Properties of Soil at Different Afforestation Patterns
4.2. Variety of Microbial Community Composition and Structure in Different Afforestation Patterns
4.3. Correlation between Environmental Factors and Microbial Communities in Different Forest Types
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Dominant Species | Elevation (m) | Slope (°) | Average Tree Height (m) | Mean DBH (cm) | Canopy Density | Density (plant/hm2) |
---|---|---|---|---|---|---|
CF | 497 | 15 | 17.1 | 16.7 | 0.93 | 1250 |
BF | 540 | 21 | 16.9 | 13.8 | 0.93 | 1316 |
MF | 452 | 18 | 16.6 | 21.8 | 0.77 | 1169 |
CK | 700 | 13 | 0 | 0 | 0 | 0 |
Different Afforestation Modes | Soil Saturated Water Holding Capacity (%) | Soil Capillary Water Holding Capacity (%) | Soil Field Water Holding Capacity (%) | Soil Bulk Density (g/cm3) |
---|---|---|---|---|
CF | 10.73 ± 0.24 c | 10.15 ± 0.24 c | 9.60 ± 0.35 a | 1.52 ± 0.01 b |
BF | 14.20 ± 0.15 b | 13.43 ± 0.39 b | 12.28 ± 0.14 a | 1.35 ± 0.01 c |
MF | 12.42 ± 0.23 b | 11.23 ± 0.32 bc | 10.73 ± 0.21 a | 1.31 ± 0.03 c |
CK | 28.34 ± 1.91 a | 23.58 ± 1.04 a | 11.85 ± 1.94 a | 1.70 ± 0.04 a |
Different Afforestation Modes | SOC (g/kg) | TP (g/kg) | TN (g/kg) | NH4+-N (mg/kg) | NO3−-N (mg/kg) | AP (mg/kg) | pH |
---|---|---|---|---|---|---|---|
CF | 23.57 ± 0.69 bc | 0.22 ± 0.00 b | 1.26 ± 0.06 bc | 34.98 ± 3.21 b | 10.08 ± 0.58 b | 0.64 ± 0.14 b | 5.48 ± 0.04 b |
BF | 43.90 ± 1.68 a | 0.30 ± 0.01 a | 2.07 ± 0.05 a | 38.96 ± 2.33 a | 10.28 ± 0.13 b | 0.78 ± 0.01 ab | 5.73 ± 0.03 a |
MF | 43.83 ± 1.64 a | 0.31 ± 0.01 a | 2.05 ± 0.13 a | 41.51 ± 0.95 a | 9.59 ± 1.33 b | 0.82 ± 0.07 a | 5.72 ± 0.06 a |
CK | 20.40 ± 0.42 c | 0.27 ± 0.01 a | 1.13 ± 0.02 c | 27.15 ± 3.51 b | 12.93 ± 0.52 a | 0.88 ± 0.02 a | 5.78 ± 0.06 a |
Bacteria | Fungi | |||
---|---|---|---|---|
Soil Properties | R2 | p-Value | R2 | p-Value |
TP (g/kg) | 0.592 | 0.005 | 0.531 | 0.019 |
SOC (g/kg) | 0.891 | 0.001 | 0.666 | 0.004 |
NH4+-N (mg/kg) | 0.639 | 0.001 | 0.517 | 0.019 |
NO3−N (mg/kg) | 0.307 | 0.104 | 0.106 | 0.517 |
TN (g/kg) | 0.859 | 0.001 | 0.642 | 0.005 |
AP (mg/kg) | 0.257 | 0.148 | 0.373 | 0.060 |
pH | 0.792 | 0.002 | 0.883 | 0.001 |
SBD (g/cm3) | 0.746 | 0.001 | 0.289 | 0.126 |
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Liu, L.; He, T.; Zhu, N.; Peng, Y.; Gao, X.; Liu, Z.; Dang, P. Effects of Afforestation Patterns on Soil Nutrient and Microbial Community Diversity in Rocky Desertification Areas. Forests 2023, 14, 2370. https://doi.org/10.3390/f14122370
Liu L, He T, Zhu N, Peng Y, Gao X, Liu Z, Dang P. Effects of Afforestation Patterns on Soil Nutrient and Microbial Community Diversity in Rocky Desertification Areas. Forests. 2023; 14(12):2370. https://doi.org/10.3390/f14122370
Chicago/Turabian StyleLiu, Liling, Ting He, Ninghua Zhu, Yuanying Peng, Xiaoqian Gao, Zongxin Liu, and Peng Dang. 2023. "Effects of Afforestation Patterns on Soil Nutrient and Microbial Community Diversity in Rocky Desertification Areas" Forests 14, no. 12: 2370. https://doi.org/10.3390/f14122370