| 生物土壤与生态 |
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| Analysis of Soil Water Content in Relation to Accumulation of Pedogenic Calcium Carbonate of Artemisia ordosica Community in Tengger Desert |
TAN Li-peng1,2, HE Xing-dong1, WANG Hai-tao1, ZHANG Ning1, GAO Yu-bao1
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| 1.College of Life Sciences, Nankai University, Tianjin 300071, China; 2.College of Life Sciences, Beijing University, Beijing 100871, China |
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Abstract To reveal the relationship between water contents and calcium carbonate contents in soil in arid area, this paper focused on their distribution pattern, relation of their contents, and the relationship between their spatial heterogeneity in the community of Artemisia ordosica that located on the Tengger Desert. Sampling plot area was 80m×80m, which contained 400 quadrats of 4m×4m. The results indicated that in this sampling plot, soil water contents took uniform distribution, and calcium carbonate contents in soil presented little patch distribution. There existed a significant positive linear correlation between the water contents and the calcium carbonate contents in soil, which showed the calcium carbonate contents increased as the water contents, and there existed a significant positive power correlation between spatial heterogeneity of the water contents and the calcium carbonate contents in soil. Therefore, there is close relationship between the water contents and the calcium carbonate contents in soil in the community of Artemisia ordosica. Here, the higher the water content in soil is, the stronger the eluviations and precipitation of calcium carbonate is, and so the greater the content of calcium carbonate is. So it is concluded that the water content in soil plays an important role in the formation of pedogenic calcium carbonate in arid area.
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Received: 25 June 2007
Published: 20 July 2008
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Cite this article:
TAN Li-peng;HE Xing-dong;WANG Hai-tao;ZHANG Ning;GAO Yu-bao. Analysis of Soil Water Content in Relation to Accumulation of Pedogenic Calcium Carbonate of Artemisia ordosica Community in Tengger Desert. JOURNAL OF DESERT RESEARCH, 2008, 28(4): 701-705.
URL:
http://www.desert.ac.cn/EN/ OR http://www.desert.ac.cn/EN/Y2008/V28/I4/701
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2008, Vol. 28 
