Soil Water Reserves Changes in Loess Hilly-gully Region

Cheng Yiben; Xiao Honglang; Li Shuang

doi:10.7522/j.issn.1000-694X.2014.00031

Journal of Desert Research >

2015 , Vol. 35 >Issue 2: 407 - 413

DOI: https://doi.org/10.7522/j.issn.1000-694X.2014.00031

Soil Water Reserves Changes in Loess Hilly-gully Region

Cheng Yiben ,
Xiao Honglang ,
Li Shuang

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1. Key laboratory of Ecohydrology and Inland River Basin, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2014-01-19

Revised date: 2014-03-02

Online published: 2015-03-20

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Abstract

Tamarix chinensis has astrong tolerance to the drought stress, salt stress, wind erosion stress, and it is widely distributed in arid-desert areas of northwest China for ecological restoration. We studied a 10-years-old cultivated T. chinensis community with different planting density, and monitored the soil moisture around the root. From the quantitative study, soil moisture near the root could be divided into 3 groups: evaporated layer (0-40 cm), active layer(40-180 cm), stable layer(180-220 cm). And the classification changed in the planting space, as evaporated layer (0-40 cm), active layer (40-120 cm), stable layer (120-200 cm). Besides, along with the planting density' increasing, the inter-annual of soil water storage will change in shape of a parabola. Our results suggested that the appropriate planting space for the studied region could be 1 923 plants per hectare.

Key words： Tamarix chinensis; loess hills; plant density; soil water reserves

Cite this article

Cheng Yiben , Xiao Honglang , Li Shuang . Soil Water Reserves Changes in Loess Hilly-gully Region[J]. Journal of Desert Research, 2015 , 35(2) : 407 -413 . DOI: 10.7522/j.issn.1000-694X.2014.00031

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