Moss-dominated biocrusts decrease soil moisture and result in the degradation of artificially planted shrubs under semiarid climate

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• 作者：Bo Xiao^a ; ^b ; ^{xiaobo@cau.edu.cn} ; ^{xiaoboxb@gmail.com} ; Kelin Hu^a
• 关键词：Biological soil crust ; Microbiotic crust ; Soil water regime ; Soil water balance ; Artemisia ordosica ; Vegetation degradation
• 刊名：Geoderma
• 出版年：2017
• 出版时间：1 April 2017
• 年：2017
• 卷：291
• 期：Complete
• 页码：47-54
• 全文大小：1236 K
• 卷排序：291

文摘

Biocrusts contribute to a higher water-holding capacity and lower infiltrability. Biocrusts under shrubs decrease soil moisture by 14.8% compared to no crust. Biocrusts reduce soil water available to A. ordosica so as to cause shrub mortality. Soil moisture decreased by crusts will not restore after the death of A. ordosica. Biocrusts can become a dominant factor for soil moisture under semiarid climate.