Effects of microbiotic crusts on evaporation from the revegetated area in a Chinese desert |
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| 出 版 社：Australian Journal of Soil Research |
| 发表时间：2007 |
| 台 站：
沙坡头沙漠试验研究站
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| 作 者：Lichao Liu（刘立超）,Yaoxuan Song,Yanhong Gao |
| 点 击 率：4491 |
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| 摘 要：Conflicting views exist on the evaporative effects of microbiotic crusts. The effects of microbiotic crusts on evaporation were studied using a microlysimeter under different simulated precipitation. The results show that under minor precipitation, the microbiotic crusts generally act as a retarding factor for evaporation, prolonging water retention in the surface layer in comparison with sandy soil; while under abundant precipitation, the crusts result in less infiltration and a greater total water loss through evaporation. It is potential that microbiotic crusts act as a major environmental driver in the succession of restored vegetation through their influence on evaporative water loss. |
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