Non-Additive Effects of Inundation Duration and Soil Depth on Seed Banks in a Shoreline Meadow of Poyang Lake in China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Data Collection
2.3. Data Analysis
3. Results
3.1. Composition of the Soil Seed Bank
3.2. Rank Abundance Relationship
3.3. Seed Bank Density
3.4. Diversity of the Seed Bank
4. Discussion
4.1. Seed Bank Related to Inundation Duration Gradients
4.2. Seed Bank Related to Soil Depth
4.3. Non-Additive Effect of Water Level and Soil Depth
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Water Level Gradient Zone | Elevation Range (m) | Vegetation Types | Coverage | Dominant Species in Winter |
---|---|---|---|---|
1 | 11.0–11.5 | Bare soil | 0% | No vegetation |
2 | 11.5–12.0 | Sparse grassland | 5–20% | Polygonum criopolitanum, Cardamine lyrata and Callitriche palustris |
3 | 12.0–13.0 | Carex grassland | ≥95% | Carex cinerascens |
4 | 13.0–14.0 | Tall grassland | ≥95% | Miscanthus sacchariflorus ssp. lutarioriparius and Phragmites australis |
5 | 14.0–15.0 | Weed grassland | ≥80% | Cynodon dactylon, Artemisia vulgaris and Carex argyi |
Source of Variation | DF | SS | MS | F | p |
---|---|---|---|---|---|
Water level | 4 | 1614.77 | 403.69 | 14.94 | <0.001 |
Soil layer | 2 | 682.55 | 341.27 | 12.63 | <0.001 |
Water level × soil layer | 8 | 132.97 | 16.62 | 0.62 | 0.763 |
Residual | 111 | 2998.68 | 27.02 | ||
Total | 125 | 5400.74 | 43.21 |
Source of Variation | df | Richness | Shannon–Wiener Index | ||||||
---|---|---|---|---|---|---|---|---|---|
SS | MS | F | p | SS | MS | F | p | ||
Water level | 4 | 4.30 | 1.08 | 3.09 | 0.019 | 0.37 | 0.09 | 0.56 | 0.695 |
Soil layer | 2 | 7.25 | 3.63 | 10.39 | <0.001 | 1.82 | 0.91 | 5.47 | 0.005 |
Water level × Soil layer | 8 | 0.58 | 0.07 | 0.21 | 0.989 | 0.43 | 0.05 | 0.32 | 0.956 |
Residual | 111 | 38.72 | 0.35 | 18.48 | 0.17 | ||||
Total | 125 | 50.69 | 0.41 | 21.11 | 0.17 |
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Liu, Y.; Liao, N.; Jia, C.; Cai, Q.; Ge, G. Non-Additive Effects of Inundation Duration and Soil Depth on Seed Banks in a Shoreline Meadow of Poyang Lake in China. Diversity 2024, 16, 3. https://doi.org/10.3390/d16010003
Liu Y, Liao N, Jia C, Cai Q, Ge G. Non-Additive Effects of Inundation Duration and Soil Depth on Seed Banks in a Shoreline Meadow of Poyang Lake in China. Diversity. 2024; 16(1):3. https://doi.org/10.3390/d16010003
Chicago/Turabian StyleLiu, Yizhen, Ning Liao, Chunyu Jia, Qiying Cai, and Gang Ge. 2024. "Non-Additive Effects of Inundation Duration and Soil Depth on Seed Banks in a Shoreline Meadow of Poyang Lake in China" Diversity 16, no. 1: 3. https://doi.org/10.3390/d16010003