Yang, F., Zhang, G.L., Yang, J.L. Li, D.C., Zhao Y.G. and Liu F. (2014) Organic Matter Controls of Soil Water Retention in an Alpine Grassland and Its Significance for Hydrological Processes. Journal of Hydrology, 519, 3086-3093.
 Jenny, H. and Leonard, C.D. (1935) Functional Relationship between Soil Properties and Rainfall. Soil Science, 38, 363-381.
 Marion, G.M., Schlesinger, W.H. and Fonteyn, P.J. (1985) CALDEP: A Regional Model for Soil CaCO3 (Caliche) Illuviation in Southwestern Deserts. Soil Science, 139, 468-481.
 Zhao, J.B. (2000) A New Geological Theory about Eluvial Zone—Theory Illuvial on Depth of CaCO3. Acta Sedimentologica Sinica, 18, 29-35. (In Chinese)
 Retallack, G.J. (2005) Pedogenic Carbonate Proxies for Amount and Seasonality of Precipitation in Paleosols. Geology, 33, 333-336.
 Zhu, H., Zhao, C.Y., Li, J., Li, Y.J. and Wang F. (2007) Indication of Soil CaCO3 Sedimentation to Rainfall and Environmental Change. Chinese Journal of Soil Science, 28, 810-812. (In Chinese)
 Qiao, J.J., Li, Q., Zhao, Y., Cheng, Z.F. and Yang, X. (2009) Study on the CaCO3 Content Characteristics in Conterminous Region of Beijing, Tianjin and Hebei. Geography and Geo-Information Science, 25, 56-59. (In Chinese)
 Pan, Y.Y. and Huang, C.M. (2010) Quantitative Study on the Correlation between the Depth of Calcic Horizon in Soil and Annual Precipitation in China. Journal of Anhui Agriculture Science, 38, 20043-20044, 20054. (In Chinese)
 Zhao, L.B. (2003) A Study on Soil CaCO3 Illuviation and Soil CO2 in Loess Hilly Area. Master Thesis, Shanxi University, Taiyuan, China. (In Chinese)
 Zhang, R. (2012) Spatial Distribution of Soil Inorganic Carbon Density, Stock and Its Affecting Factors in the Loess Plateau. Master Thesis, Graduate University of Chinese Academy of Sciences, Beijing, China. (In Chinese)
 Versteegh, E.A., Black, S. and Hodson, M.E. (2014) Environmental Controls on the Production of Calcium Carbonate by Earthworms. Soil Biology and Biochemistry, 70, 159-161.
 Vahabi, A., Ramezanianpour, A.A., Sharafi, H., Zahiri, H.S., Vali, H. and Noghabi, K.A. (2015) Calcium Carbonate Precipitation by Strain Bacillus licheniformis AK01, Newly Isolated from Loamy Soil: A Promising Alternative for Sealing Cement-Based Materials. Journal of Basic Microbiology, 55, 105-111.
 Francis, R.E. and Aguilar, R. (1995) Calcium Carbonate Effects on Soil Textural Class in Semiarid-Arid Wildland Soils. Arid Land Research and Management, 9, 155-165.
 Feng, Q., Cheng, G.D. and Endo, K. (2001) Carbon Storage in Desertified Lands: A Case Study from North China. GeoJournal, 51, 181-189.
 Nin, Y.F., Liu, W.G. and An, Z.S. (2006) Changes and Significances in Palaeoenvironment of Carbonate and Carbon Isotope Difference (Δδ13C) of Organic Carbon in Xifeng Loess-Paleosoil Profile of Gansu. Chinese Science Bulletin, 51, 1828-1832. (In Chinese)
 Singh, S.K., Sharma, B.K. and Singh, A.K. (2007) Carbon Stock and Organic Carbon Dynamics in Soils of Rajasthan, India. Journal of Arid Environments, 68, 408-421.
 Kaiser, M., Ghezzehei, T.A., Kleber, M., Myrold, D.D. and Berhe, A.A. (2014) Influence of Calcium Carbonate and Charcoal Applications on Organic Matter Storage in Silt-Sized Aggregates Formed during a Microcosm Experiment. Soil Science Society of America Journal, 78, 1624-1631.
 Grealish, G., Fitzpatrick, R.W. and Asem, S.O. (2015) Assisting Non-Soil Experts to Identify Soil Types for Land Management to Support Restoration of Arid Rangeland Native Vegetation in Kuwait. Arid Land Research and Management, 29, 288-305.
 Peníz ek, V. and Zadorova, T. (2012) Soil Toposequence under Man-Planted Vegetation in the Krkonose Mts., Czech Republic. Soil and Water Research, 7, 138-150.
 Li, Q., Li, Z., Liang, J., He, Y., Cao, J. and Hu, Q. (2014) δ13C Characteristics of Soil Organic Carbon in Hilly Karst Area. Polish Journal of Environmental Studies, 23, 2345-2349.
 Yuan, Y., Si, G., Li, W. and Zhang, G. (2015) Altitudinal Distribution of Ammonia-Oxidizing Archaea and Bacteria in Alpine Grassland Soils along the South-Facing Slope of Nyqentangula Mountains, Central Tibetan Plateau. Geomicrobiology Journal, 32, 77-88.
 Han, C.T., Chen, R.S., Liu, J.F., Yang, Y. and Liu, Z.W. (2013) Hydrological Characteristics in Non-Freezing Period at the Alpine Desert Zone of Hulugou Watershed, Qilian Mountains. Journal of Glaciology and Geocryology, 35, 1536-1544. (In Chinese)
 Li, Z.J., Li, Z.X., Tian, Q., Song, L.L., Jia, B. and Guo, R. (2014) Environmental Significance of Wet Illuviation Composition in the Central Qilian Mountains, China. Environmental Science, 35, 4465-4474. (In Chinese)
 Kang, W.L. (2013) Studies on Microbial Community Structure and Functional Groups in Alpine Steppe Soils of the Qilian Mountains. Master Thesis, Lanzhou Jiaotong University, Lanzhou, China. (In Chinese)
 Mao, W.L. (2013) Variations in Soil Bacterial Community from Soil Samples along the Altitude Gradient at the Upper Reaches of the Heihe River, Northwestern China. Master Thesis, Gansu Agricultural University, Lanzhou, China. (In Chinese)
 Che, Z.X., Liu, X.D., Che, Z.Q., Jing, M., Li, X.Y. and Wang, R.X. (2014) Spatial Distribution Characteristics of Soil Organic Matter and Nitrogen of Picea crassifolia in Qilian Mountains. Journal of Soil and Water Conservation, 28, 164-169. (In Chinese)
 Ma, A.A., Xu, S.J., Min, Y.X., Wang, P., Wang, Y.J. and Zhang, X.F. (2014) Phylogenetic and Physiological Diversity of Actinomycetes Isolated from Plant Rhizosphere Soils in the Qilian Mountains. Acta Ecologica Sinica, 34, 2916-2928. (In Chinese)
 Chen, R.S., Kang, E.S and Ding, Y.J. (2014) Some Knowledge on and Parameters of China’s Alpine Hydrology. Advances in Water Science, 25, 307-317. (In Chinese)
 Liu, Z.W., Chen R.S., Song, Y.X. and Han, C.T. (2014) Water Holding Capacity of Mosses under Alpine Shrubs in Qilian Mountains. Arid Land Geography, 37, 698-703. (In Chinese)
 Liu, S.L., Lin, L., Guo, X.W., Li, J., Ouyang, J.Z. and Du, Y.G. (2014) The Variation Feature of Soil Inorganic Carbon Storage in Alpine Grassland in Qinghai Province. Acta Ecologica Sinica, 34, 5953-5961. (In Chinese)
 Arkley, R.J. (1963) Calculation of Carbonate and Water Movement in Soil from Climatic Data. Soil Science, 96, 239-248.
 Royer, D.L. (1999) Depth to Pedogenic Carbonate Horizon as a Paleoprecipitation Indicator. Geology, 27, 1123-1126.
 Niu, Y., Liu, X.D., Jing, W.M., Lei, J. and Che, Z.X. (2013) Comparative Study on Climate Gradient Changes in the North Slope of Qilian Mountains. Journal of Gansu Agricultural University, 48, 86-91. (In Chinese)