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题名: Soil water depletion and recharge under different land cover in China’s Loess Plateau
作者: Jun Fan1; Quanjiu Wang1; Scott B. Jones2; Mingan Shao1
刊名: ECOHYDROLOGY
出版日期: 2016
卷号: 9, 期号:0, 页码:396-406
关键词: land use pattern ; soil water recharge ; water uptake depth ; water balance ; Loess Plateau
DOI: 10.1002/eco.1642
通讯作者: Jun Fan
文章类型: Article
英文摘要: Vegetation restoration can greatly influence water infiltration and root water uptake depths in semi-arid regions. Soil water
dynamics within different vegetated/non-vegetated land cover patterns were studied over time from 2008 to 2013 in an erodible
small watershed on the Loess Plateau of China. Results showed that distinct differences in soil water dynamics and water
balances existed among different vegetation types. Soil water recharge depths extended deeper than 5m under bare land and
farmland, but introduced forage (alfalfa) and shrub (caragana) species depleted the soil water stores in the 0- to 6-m layers within
a few years, prevented deep soil water recharge and exhibited negative water balances. Local food crops can maintain a
sustainable soil water balance although there was low productivity. Native grasses should be the best land use type for this region
based on the soil water balances observed in this short field study. Because it was difficult to avoid soil desiccation under
introduced vegetation, vegetation with high water demands should be combined with shallow rooting plants, and water-saving
methods should be taken into account.

收录类别: SCI
语种: 英语
WOS记录号: WOS:000374543100003
通讯作者邮箱: fanjun@ms.iswc.ac.cn
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.iswc.ac.cn/handle/361005/7814
Appears in Collections:水保所科研产出--SCI_2016--SCI

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作者单位: 1.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi 712100, China
2.Department of Plants, Soils and Climate, Utah State University, Logan, UT 84322-4820, USA

Recommended Citation:
Jun Fan,Quanjiu Wang,Scott B. Jones,et al. Soil water depletion and recharge under different land cover in China’s Loess Plateau[J]. ECOHYDROLOGY,2016,9(0):396-406.
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文件名: 2016-38.pdf
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