The Dynamic Trend of Soil Water Content in Artificial Forests on the Loess Plateau, China

被引：8
作者：
Wang, Yu [1 ]
Zhu, Qing-Ke [1 ]
Zhao, Wei-Jun [2 ]
Ma, Huan [1 ]
Wang, Rui [1 ]
Ai, Ning [3 ]
机构：
[1] Beijing Forestry Univ, Forestry Ecol Engn Res Ctr, Sch Soil & Water Conservat, Beijing 100083, Peoples R China
[2] Taishan Univ, Key Lab Tourism & Resources Environm Coll & Univ, Tai An 271000, Shandong, Peoples R China
[3] Yanan Univ, Coll Life Sci, Yanan 716000, Peoples R China
来源：
FORESTS | 2016年 / 7卷 / 10期
关键词：
soil water; artificial forests; revegetation; Mann-Kendall test; Loess Plateau; China; DIFFERENT VEGETATION TYPES; MOISTURE DYNAMICS; ROOT DISTRIBUTION; APRICOT TREES; PRECIPITATION; TEMPERATURE; VARIABILITY; CATCHMENT; DEFICIT; GROWTH;
D O I：
10.3390/f7100236
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
Extensive vegetation restoration projects have been widely implemented on the Loess Plateau, China, since 1998. In addition, increasing attention has been paid to the influence of revegetation on soil water. However, the response of the soil water content (SWC) to vegetation construction and management has not been adequately studied. In this study, three types of typical artificial vegetation on level bench land were selected, including Pinus tabulaeformis Carr., Prunus sibirica L., and Hippophae rhamnoides Linn., with the natural grassland used as a control group in Wuqi County. The 0-160 cm SWC was monitored biweekly from August 2010 to June 2013 using a portable time domain reflectometry system. The serial autocorrelation test, Mann-Kendall trend test, and prewhitening Mann-Kendall test were employed to systematically analyze the trends in soil water dynamics. The results show that the SWC of the three selected artificial forests/shrub had a significant accumulation process in the 0-160 cm profile during the monitoring period, whereas such an increasing tendency was not observed for natural grassland. Furthermore, the greatest responses were observed in the Pinus tabulaeformis Carr. plantation.
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页数：16
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