Intensive Management Increases Phytolith-Occluded Carbon Sequestration in Moso Bamboo Plantations in Subtropical China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Site
2.2. Bamboo Forest Management Practices
2.3. Plant and Soil Sampling and Preparation
2.4. Plant and Soil Analysis
2.5. Calculations and Statistical Analysis
3. Results
3.1. Effects of Plantation Management Intensity on Soil Chemical Properties
3.2. Effects of Plantation Management Intensity on Plant PhytOC Production
3.3. Effects of Plantation Management Intensity on Soil PhytOC Accumulation and Its Distribution in Physical Fractions
3.4. Effect of Plantation Management Intensity on Soil PhytOC Dissolution and Loss in Runoff
4. Discussion
4.1. Plantation Management Intensity Affected Plant PhytOC Production
4.2. Plantation Management Intensity Affected Soil PhytOC Sequestration
4.3. Management Intensity Effects on Soil PhytOC Dissolution and Loss Through Runoff
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Management Intensity | Soil Depth | pH | Soil Organic Carbon | Total Soil SiO2 | Water Soluble Silicon |
---|---|---|---|---|---|
Extensive | 0−10 cm | 5.14 ± 0.19a 1 | 23.07 ± 3.83a | 558.2 ± 14.99a | 12.65 ± 4.12a |
Intensive | 0−10 cm | 4.36 ± 0.13b | 16.13 ± 1.82b | 565.02 ± 14.50a | 6.33 ± 1.85b |
Extensive | 10−30 cm | 5.23 ± 0.18a | 18.09 ± 0.89a | 561.4 ± 28.54a | 13.52 ± 2.82a |
Intensive | 10−30 cm | 4.59 ± 0.18b | 12.91 ± 2.25b | 532.11 ± 25.30a | 5.31 ± 1.82b |
Extensive | 30−60 cm | 5.34 ± 0.29a | 12.94 ± 0.51a | 527.07 ± 50.50a | 9.15 ± 3.51a |
Intensive | 30−60 cm | 5.05 ± 0.20a | 9.43 ± 1.13b | 507.87 ± 39.10a | 6.24 ± 0.63b |
Extensive | 60−100 cm | 5.27 ± 0.14a | 5.91 ± 1.38a | 528.52 ± 21.87a | 5.56 ± 2.76a |
Intensive | 60−100 cm | 5.09 ± 0.09a | 4.85 ± 1.27a | 523.84 ± 29.98a | 6.92 ± 3.52a |
Management Intensity | Soil Depth | Phytolith Concentration (g kg−1) | PhytOC Concentration (g kg−1) | PhytOC Storage (kg ha−1) |
---|---|---|---|---|
Extensive | 0–10 cm | 8.79 ± 3.05a 1 | 0.118 ± 0.047a | 119.56 ± 47.21a |
Intensive | 0–10 cm | 10.25 ± 1.35a | 0.131 ± 0.010a | 135.27 ± 8.88a |
Extensive | 10–30 cm | 6.04 ± 0.81a | 0.065 ± 0.013a | 144.65 ± 31.92a |
Intensive | 10–30 cm | 6.21 ± 0.40a | 0.079 ± 0.036a | 176.43 ± 80.49a |
Extensive | 30–60 cm | 5.26 ± 0.86a | 0.064 ± 0.011a | 225.97 ± 39.76a |
Intensive | 30–60 cm | 5.43 ± 0.72a | 0.064 ± 0.004a | 228.68 ± 13.06a |
Extensive | 60–100 cm | 3.84 ± 1.00a | 0.038 ± 0.014a | 184.22 ± 66.87a |
Intensive | 60–100 cm | 3.88 ± 0.84a | 0.039 ± 0.010a | 192.07 ± 44.35a |
Extensive | Total | - | - | 674.42 ± 27.63a |
Intensive | Total | - | - | 730.36 ± 70.78a |
Management Intensity | Sediment Loss Rate (kg ha−1 yr−1) | Phytolith Concentration (g kg−1) | PhytOC Concentration (g kg−1) | Phytolith Loss Rate (kg ha−1 yr−1) | PhytOC Loss Rate (kg ha−1 yr−1) |
---|---|---|---|---|---|
Extensive | 34.77 | 5.80 ± 0.36 | 0.08 ± 0.01 | 0.20 ± 0.01 | 0.003 ± 0.000 |
Intensive | 49.36 | 5.99 ± 0.91 | 0.09 ± 0.01 | 0.30 ± 0.05 | 0.004 ± 0.001 |
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Huang, C.; Li, Y.; Wu, J.; Huang, Z.; Chang, S.X.; Jiang, P. Intensive Management Increases Phytolith-Occluded Carbon Sequestration in Moso Bamboo Plantations in Subtropical China. Forests 2019, 10, 883. https://doi.org/10.3390/f10100883
Huang C, Li Y, Wu J, Huang Z, Chang SX, Jiang P. Intensive Management Increases Phytolith-Occluded Carbon Sequestration in Moso Bamboo Plantations in Subtropical China. Forests. 2019; 10(10):883. https://doi.org/10.3390/f10100883
Chicago/Turabian StyleHuang, Chengpeng, Yongchun Li, Jiasen Wu, Zhangting Huang, Scott X. Chang, and Peikun Jiang. 2019. "Intensive Management Increases Phytolith-Occluded Carbon Sequestration in Moso Bamboo Plantations in Subtropical China" Forests 10, no. 10: 883. https://doi.org/10.3390/f10100883