Impacts of Soil Properties on Species Diversity and Structure in Alternanthera philoxeroides-Invaded and Native Plant Communities
Abstract
:1. Introduction
2. Results
2.1. Plant Species Composition and Invasion Trend
2.2. RDA Ordination of Soil Properties and Species Diversity
2.3. Regression Analysis of Soil Properties and Species Diversity
2.4. CCA Ordination of Soil Properties and Species Distribution
3. Discussion
3.1. Mechanism of Impact of Soil on Community Structure and Plant Invasions
3.2. Mechanism of Impact of Soil on Plant Diversity
3.3. Mechanism of Impact of Soil on Plant Species Distributions
4. Materials and Methods
4.1. Field Survey
4.2. Indicator Measurement
4.2.1. Measurement of Soil Physical Properties
4.2.2. Measurement of Soil Chemical Properties
4.3. Data Calculation
4.3.1. Soil Physical Indicators
4.3.2. Importance Value
4.3.3. Species Diversity
4.4. Statistical Analyses
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Code | Plant Species | Total IV | Code | Plant Species | Total IV |
---|---|---|---|---|---|
Control communities | Invaded communities | ||||
1 | Oxalis articulata | 4.030 | 1 | Alternanthera philoxeroides | 15.309 |
2 | Cynodon dactylon | 3.817 | 2 | Cynodon dactylon | 2.266 |
3 | Eleusine indica | 3.533 | 3 | Galium odoratum | 1.917 |
4 | Galium odoratum | 2.862 | 4 | Oxalis articulata | 1.915 |
5 | Duchesnea indica | 1.645 | 5 | Eleusine indica | 1.758 |
6 | Dichondra micrantha | 1.614 | 6 | Rumex acetosa | 1.243 |
7 | Axonopus compressus | 1.376 | 7 | Medicago sativa | 1.116 |
8 | Lolium perenne | 1.318 | 8 | Paspalum paspaloides | 1.078 |
9 | Digitaria sanguinalis | 1.234 | 9 | Erigeron annuus | 0.993 |
10 | Medicago sativa | 1.119 | 10 | Duchesnea indica | 0.978 |
11 | Poa annua | 1.057 | 11 | Artemisia argyi | 0.956 |
12 | Erigeron annuus | 1.029 | 12 | Hydrocotyle sibthorpioides | 0.824 |
13 | Vicia hirsuta | 0.823 | 13 | Poa annua | 0.822 |
14 | Kyllinga brevifolia | 0.765 | 14 | Ophiopogon bodinieri | 0.822 |
15 | Imperata cylindrica | 0.760 | 15 | Cyperus rotundus | 0.710 |
16 | Ophiopogon bodinieri | 0.732 | 16 | Lolium perenne | 0.655 |
17 | Cayratia japonica | 0.721 | 17 | Dichondra micrantha | 0.646 |
18 | Mazus japonicus | 0.711 | 18 | Cayratia japonica | 0.622 |
19 | Stellaria media | 0.700 | 19 | Imperata cylindrica | 0.543 |
20 | Veronica polita | 0.648 | 20 | Beckmannia syzigachne | 0.532 |
21 | Sedum sarmentosum | 0.616 | 21 | Mazus japonicus | 0.512 |
22 | Kummerowia striata | 0.529 | |||
23 | Rumex acetosa | 0.526 | |||
24 | Plantago asiatica | 0.518 | |||
25 | Clinopodium chinense | 0.512 |
Soil Factors | Control Communities | Invaded Communities | ||
---|---|---|---|---|
Axis 1 | Axis 2 | Axis 1 | Axis 2 | |
BD | 0.081 | −0.064 | −0.107 | −0.047 |
FWC | −0.290 | 0.041 | 0.009 | 0.011 |
CWC | −0.121 | −0.273 | −0.054 | −0.333 |
NCP | −0.321 | 0.404 * | −0.150 | 0.629 ** |
CP | −0.064 | −0.402 * | −0.097 | −0.594 ** |
TP | −0.196 | 0.007 | −0.162 | −0.280 |
N-NH4 | −0.379 * | 0.388 * | 0.162 | −0.140 |
N-NO3 | −0.241 | −0.025 | 0.001 | 0.047 |
AP | −0.307 | 0.634 ** | −0.329 | 0.235 |
AK | −0.418 * | 0.426 * | −0.271 | 0.380 * |
ORG | −0.400 * | 0.289 | −0.309 | 0.325 |
pH | −0.433 * | 0.135 | −0.273 | 0.677 ** |
Soil Factors | Control Communities | Invaded Communities | ||
---|---|---|---|---|
Axis 1 | Axis 2 | Axis 1 | Axis 2 | |
BD | 0.267 | −0.573 ** | −0.419 * | −0.383 * |
FWC | 0.022 | 0.772 ** | 0.171 | 0.525 ** |
CWC | 0.248 | 0.429 * | 0.038 | 0.706 ** |
NCP | −0.352 | 0.835 ** | 0.280 | −0.080 |
CP | 0.601 ** | 0.189 | −0.352 | 0.737 ** |
TP | 0.314 | 0.791 ** | −0.109 | 0.614 ** |
N-NH4 | 0.281 | 0.428 * | −0.398 * | 0.127 |
N-NO3 | −0.463 ** | 0.238 | 0.300 | −0.207 |
AP | −0.084 | 0.422 * | 0.355 | 0.145 |
AK | −0.247 | 0.423 * | 0.435 * | 0.311 |
ORG | −0.406 * | 0.701 ** | 0.004 | 0.046 |
pH | −0.168 | −0.108 | −0.098 | −0.172 |
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Wu, H.; Liu, Y.; Zhang, T.; Xu, M.; Rao, B. Impacts of Soil Properties on Species Diversity and Structure in Alternanthera philoxeroides-Invaded and Native Plant Communities. Plants 2024, 13, 1196. https://0-doi-org.brum.beds.ac.uk/10.3390/plants13091196
Wu H, Liu Y, Zhang T, Xu M, Rao B. Impacts of Soil Properties on Species Diversity and Structure in Alternanthera philoxeroides-Invaded and Native Plant Communities. Plants. 2024; 13(9):1196. https://0-doi-org.brum.beds.ac.uk/10.3390/plants13091196
Chicago/Turabian StyleWu, Hao, Yuxin Liu, Tiantian Zhang, Mingxia Xu, and Benqiang Rao. 2024. "Impacts of Soil Properties on Species Diversity and Structure in Alternanthera philoxeroides-Invaded and Native Plant Communities" Plants 13, no. 9: 1196. https://0-doi-org.brum.beds.ac.uk/10.3390/plants13091196