The Relative Importance of Niche and Neutral Processes for the Community Assembly of Subtropical Karst Forest Communities at Different Spatial Scales
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Field Sampling
2.3. Measurement of Environmental Factors
2.4. Statistical Analyses
2.4.1. Niche Models
2.4.2. Neutral Models
3. Results
3.1. Patterns of Species Abundance Distributions
3.2. The PER-SIMPER Analysis of Simulated Species Distributions
4. Discussion
4.1. Scale Dependence of Community Assembly in Subtropical Karst Forests
4.2. The Neutral Process Plays a Dominant Role in Subtropical Karst Forests
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
Data Preparation before the PER-SIMPER Analysis
Scale | Group | R2 | p |
---|---|---|---|
10 m × 10 m | 2 | 0.026 | 0.001 *** |
20 m × 20 m | 2 | 0.429 | 0.001 *** |
50 m × 50 m | 2 | 0.538 | 0.048 * |
Appendix B
Redundancy Analysis (RDA) Ordination between SADs and Environmental Variables
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Scale | BSM | NPM | MZMM | VM | ||||
---|---|---|---|---|---|---|---|---|
AIC | D | AIC | D | AIC | D | AIC | D | |
10 m × 10 m | 89.65 | 0.30 | 90.94 | 0.30 | 30.97 | 0.10 | 32.89 | 0.10 |
20 m × 20 m | 464.52 | 0.22 | 464.69 | 0.32 | 96.08 | 0.05 | 97.89 | 0.05 |
50 m × 50 m | 3530.79 | 0.32 * | 3414.91 | 0.36 *** | 303.31 | 0.08 | 304.83 | 0.08 |
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He, Y.; Liang, S.; Jiang, Y.; Ning, W. The Relative Importance of Niche and Neutral Processes for the Community Assembly of Subtropical Karst Forest Communities at Different Spatial Scales. Forests 2022, 13, 1930. https://doi.org/10.3390/f13111930
He Y, Liang S, Jiang Y, Ning W. The Relative Importance of Niche and Neutral Processes for the Community Assembly of Subtropical Karst Forest Communities at Different Spatial Scales. Forests. 2022; 13(11):1930. https://doi.org/10.3390/f13111930
Chicago/Turabian StyleHe, Yan, Shichu Liang, Yong Jiang, and Wenyan Ning. 2022. "The Relative Importance of Niche and Neutral Processes for the Community Assembly of Subtropical Karst Forest Communities at Different Spatial Scales" Forests 13, no. 11: 1930. https://doi.org/10.3390/f13111930