Responses of Plant Bud Bank Characteristics to the Enclosure in Different Desertified Grasslands on the Tibetan Plateau
Abstract
:1. Introduction
2. Materials and Methods
2.1. Site Description
2.2. Sampling Method
2.3. Experimental Method
2.4. Statistical Analyses
3. Results
3.1. The Effect of Enclosure on the Bud Bank Distribution
3.2. The Effect of Enclosure on the Bud Bank Composition
3.3. The Effect of Enclosure on Plant Species and Aboveground Biomass
3.4. Meristem Limitation Index along Desertification Gradient
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Community Type | Vegetation Coverage/% | Quicksand Area/% |
---|---|---|
LD | 50 ≤ C < 60 | 5 ≤ S < 10 |
MD | 20 ≤ C < 50 | 10 ≤ S < 30 |
SD | 10 ≤ C < 20 | 30 ≤ S < 50 |
ED | <10 | ≥50 |
Community Type | Plant Species | Coverage % |
---|---|---|
Light desertified grassland | Elymus nutans | 23.3 |
Leymus secalinus | 18 | |
Anaphalis lactea | 15 | |
Poa pratensis | 6.6 | |
Ligularia virgaurea | 3 | |
Artemisia hedinii | 2.8 | |
Agropyron cristatum | 2.7 | |
Lancea tibetica | 2.7 | |
Kobresia setchwanensis | 1 | |
Potentilla anserina | 0.2 | |
Moderate desertified grassland | Kobresia setchwanensis | 21.3 |
Anaphalis lactea | 12.3 | |
Potentilla anserina | 2.3 | |
Stellera chamaejasme | 1.1 | |
Leymus secalinus | 0.9 | |
Ajuga lupulina | 0.4 | |
Severe desertified grassland | Carex moorcroftii | 5.3 |
Leymus secalinus | 4.9 | |
Elymus nutans | 1.9 | |
Dracocephalum heterophyllum | 1.2 | |
Gentiana straminea | 0.8 | |
Extreme desertified grassland | Agropyron cristatum | 4.8 |
Chenopodium aristatum | 0.3 |
Community Type | Plant Species | |
---|---|---|
Before Enclosure | After Enclosure | |
LD | 3 ± 1 a | 4 ± 0.6 a |
MD | 2.7 ± 0.3 a | 3 ± 0 ab |
SD | 2 ± 0 a | 2 ± 0 b |
ED | - | 1.3 ± 0.3 c |
Plant Community | Shoot Density Number/m2 | Meristem Limitation Index |
---|---|---|
LD | 3589 ± 3030 a | 1.07 ± 0.24 c |
MD | 6891 ± 2589 a | 0.37 ± 0.06 d |
SD | 528 ± 25 a | 4.67 ± 0.67 b |
ED | 32 ± 16 a | 13.54 ± 1.36 a |
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Ding, X.; Su, P.; Zhou, Z.; Shi, R.; Yang, J. Responses of Plant Bud Bank Characteristics to the Enclosure in Different Desertified Grasslands on the Tibetan Plateau. Plants 2021, 10, 141. https://doi.org/10.3390/plants10010141
Ding X, Su P, Zhou Z, Shi R, Yang J. Responses of Plant Bud Bank Characteristics to the Enclosure in Different Desertified Grasslands on the Tibetan Plateau. Plants. 2021; 10(1):141. https://doi.org/10.3390/plants10010141
Chicago/Turabian StyleDing, Xinjing, Peixi Su, Zijuan Zhou, Rui Shi, and Jianping Yang. 2021. "Responses of Plant Bud Bank Characteristics to the Enclosure in Different Desertified Grasslands on the Tibetan Plateau" Plants 10, no. 1: 141. https://doi.org/10.3390/plants10010141