Effectiveness of wind and sand stabilization by artificial Haloxylon ammodendron forests of different ages in Turpan City and its relationship with biomass
Experimental Researches|更新时间:2025-10-20
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Effectiveness of wind and sand stabilization by artificial Haloxylon ammodendron forests of different ages in Turpan City and its relationship with biomass
Bulletin of Soil and Water ConservationVol. 45, Issue 3, Pages: 109-118(2025)
Wang Pu, Sun Guili, Ge Wenting, et al. Effectiveness of wind and sand stabilization by artificial Haloxylon ammodendron forests of different ages in Turpan City and its relationship with biomass [J]. Bulletin of Soil and Water Conservation,2025,45(3):109-118.
Wang Pu, Sun Guili, Ge Wenting, et al. Effectiveness of wind and sand stabilization by artificial Haloxylon ammodendron forests of different ages in Turpan City and its relationship with biomass [J]. Bulletin of Soil and Water Conservation,2025,45(3):109-118. DOI: 10.13961/j.cnki.stbctb.2025.03.039. CSTR: 32312.14.stbctb.2025.03.039..
Effectiveness of wind and sand stabilization by artificial Haloxylon ammodendron forests of different ages in Turpan City and its relationship with biomass
The aims of this study were to explore the wind and sand flow prevention and stabilization benefits of artificial
Haloxylon ammodendron
forests with different planting years, rapidly evaluate the wind and sand flow prevention and stabilization benefits, and define the lower limit of the biomass-anti-sand flow prevention and stabilization benefits to provide scientific basis for the restoration and reconstruction of desert vegetation.
Methods
2
Artificial
H. ammodendron
forests of varying planting ages in desertified areas of Turpan City, Xijiang Wei Autonomous Region, were selected as the study subjects. Field surveys, observations, and laboratory analyses were conducted to monitor windbreak and sand fixation benefit indicators. The relationships between th
ese indicators and the changes in biomass were compared.
Results
2
① The windbreak efficiency, surface roughness, surface erosion-deposition volume, and sand-blocking efficiency of artificial Haloxylon ammodendron forests significantly improved (
p
<
0.05) with increasing planting age. ② The wind speed profile in the region changed with the growth of artificial
H. ammodendron
forests. The wind speed profile of the primary desert showed type ‘L’ change characteristics, the wind speed profile of the 2 and 4-year-old artificial
H. ammodendron
forests showed type ‘I’ change characteristics. The wind speed contours of 6, 8, and 10-year-old planted
H. ammodendron
forests showed the opposite of type ‘J’ changes. ③ The sand transport flux of the planted
H. ammodendron
forest showed a decreasing trend with an increase in the establishment period and also showed a decreasing trend with an increase in height. ④ The biomass-windbreak and sand fixation efficiency index model was constructed based on five age-variant
H. ammodendron
forests, in which the best function models between the standing biomass index and the relationship between windbreak efficiency, surface erosion, surface roughness, sand transport flux, and sand blocking efficiency was the power function, the idempotent function, quadratic function, exponential function, and the
logistic
function models with
R
2
values of 0.651, 0.962, 0.790, 0.804, and 0.925, respectively. ⑤ The standing biomass index of artificial
H. ammodendron
forests must reach a minimum threshold of 4.94 kg/m² to achieve effective windbreaks and sand fixation benefits.
Conclusion
2
Artificial
H. ammodendron
forests achieved stable windbreak and sand fixation benefits 4 years of planting. These benefits could be estimated using the relevant models. The forest
s could stably deliver windbreak and sand-fixation effects when the standing biomass index was ≥4.94 kg/m².
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Related Institution
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