The Effect of Willow (Salix sp.) on Soil Moisture and Matric Suction at a Slope Scale
Abstract
:1. Introduction
- (i)
- Assess the differences between willow-vegetated and fallow ground covers in terms of soil moisture and matric suction.
- (ii)
- Evaluate whether the dynamics of soil moisture and matric suction changed with the hillslope zone (i.e., toe, middle, and crest) under the different ground covers.
- (iii)
- Investigate the relationship between the soil moisture and matric suction at different hillslope zones under both ground covers.
- (iv)
- Investigate the effect of air temperature and rainfall on the dynamics of soil moisture and matric suction under both ground covers.
2. Materials and Methods
2.1. Study Site
2.2. Experimental Setup
2.3. Data Analysis
3. Results
3.1. Soil Moisture
3.2. Matric Suction
3.3. The Relationship between Soil Moisture and Matric Suction
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Tree Individual | Species | Hillslope Zone | DBH (m) | Height (m) | Crown Area (m2) | LAI |
---|---|---|---|---|---|---|
1 | Salix viminalis | Toe | 0.44 | 2.84 | 6.54 | 3.26 |
2 | Salix caprea | Middle | 0.20 | 4.93 | 13.05 | 3.63 |
3 | Salix caprea | Crest | 0.11 | 4.52 | 8.77 | 4.46 |
Variable | Transect | Hillslope Zone | Interpolation | Model | AIC |
---|---|---|---|---|---|
θv | Fallow | Toe | None | ||
Middle | Linear | ||||
ARIMA | ARIMA(1,0,0) | −2815 | |||
Crest | ARIMA | ARIMA(0,1,0) | −399 | ||
Willow-vegetated | Toe | ARIMA | ARIMA(4,0,0); | −1361 | |
Middle | ARIMA | ARIMA(2,1,1) | −2438 | ||
Crest | ARIMA | ARIMA(2,1,0) | −1208 | ||
φ | Fallow | Toe | None | ||
ARIMA | ARIMA(5,1,2) | 4685 | |||
Crest | Linear | ||||
ARIMA | ARIMA(3,2,1) | 4725 | |||
Willow-vegetated | Toe | Linear | |||
ARIMA | ARIMA(3,1,3) | 3572 | |||
Middle | Linear | ||||
ARIMA | ARIMA(4,1,4) | 3742 | |||
Crest | Linear | ||||
ARIMA | ARIMA(1,1,1) | 4539 |
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Gonzalez-Ollauri, A.; Mickovski, S.B. The Effect of Willow (Salix sp.) on Soil Moisture and Matric Suction at a Slope Scale. Sustainability 2020, 12, 9789. https://0-doi-org.brum.beds.ac.uk/10.3390/su12239789
Gonzalez-Ollauri A, Mickovski SB. The Effect of Willow (Salix sp.) on Soil Moisture and Matric Suction at a Slope Scale. Sustainability. 2020; 12(23):9789. https://0-doi-org.brum.beds.ac.uk/10.3390/su12239789
Chicago/Turabian StyleGonzalez-Ollauri, Alejandro, and Slobodan B. Mickovski. 2020. "The Effect of Willow (Salix sp.) on Soil Moisture and Matric Suction at a Slope Scale" Sustainability 12, no. 23: 9789. https://0-doi-org.brum.beds.ac.uk/10.3390/su12239789