Hao J E. Study on the Number of Soil Microbes and Microbial Biomass Carbon Under Different Successional Stages of Vegetation Community in Yangtze and Yellow Rivers Source Region[D]. Xining: Qinghai University, 2010: 8.
[2]
Zhou H S, Yang G W, Liu N, et al . Plant community and soil microbial characteristics in typical grasslands of different degradation degrees. Pratacultural Science, 2014, 31(1): 30-38.
[3]
Wu X, Li Z H, Fu B J, et al . Restoration of ecosystem carbon and nitrogen storage and microbial biomass after grazing exclusion in semi-arid grasslands of Inner Mongolia. Ecological Engineering, 2014, 73: 395-403.
[4]
Li Y Y, Dong S K, Wen L, et al . Soil carbon and nitrogen pools and their relationship to plant and soil dynamics of degraded and artificially restored grasslands of the Qinghai-Tibetan Plateau. Geoderma, 2014, 213: 178-184.
[5]
Wen L, Dong S K, Li Y Y, et al . The impact of land degradation on the C pools in alpine grasslands of the Qinghai-Tibet Plateau. Plant and Soil, 2013, 368(1-2): 329-340.
[6]
Niu D C, Jiang S G, Qin Y, et al . Effects of grazing and fencing on soil microorganisms and enzymes activities. Pratacultural Science, 2013, 30(4): 528-534.
[7]
Wang C Y, Zhang J J, Lu Y L, et al . Effects of long-term grazing exclusion on soil organic carbon fractions in the grasslands of Inner Mongolia. Acta Prataculturae Sinica, 2014, 23(5): 31-39.
[8]
Wei W D, Liu Y H. The influence of different degraded degradation of alpine steppe in source area of Lantsang, Yellow and Yangtze River on soil respiration. Hubei Agricultural Sciences, 2014, (8): 1102-1106.
[9]
Xiong L, Xu Z F, Wu F Z, et al . Effects of stepping on soil respiration of Zoysia matrella lawn during the winter dormancy period. Acta Prataculturae Sinica, 2014, 23(2): 83-89.
[10]
Zhu W X, Suo N J, Gu Z K, et al . Soil properties associated with microbe in different types of Gannan grassland. Pratacultural Science, 2012, 29(10): 1491-1496.
[11]
Ma W W, Yao T, Jin P, et al . Characteristics of microorganisms and enzyme activity under two plant communities in Desert Steppe. Journal of Desert Research, 2014, 34(1): 176-183.
[12]
Zhang Y X, Yao T, Wang G J, et al . Characteristics of vegetation and soil inorganic nitrogen concentrations under different disturbed habitats in a weak alpine ecosystem. Acta Prataculturae Sinica, 2014, 23(4): 245-252.
[13]
Lu H, Li X G, Yao T, et al . Characteristics of vegetation and soil microorganisms of molehill grassland in an ecologically vulnerable alpine region. Acta Prataculturae Sinica, 2014, 23(5): 214-222.
[14]
Hu L, Wang C T, Wang G X, et al . Changes in the activities of soil enzymes and microbial community structure at different degradation successional stages of alpine meadows in the headwater region of Three Rivers, China. Acta Prataculturae Sinica, 2014, 23(3): 8-19.
[15]
Zhao H L, Zhao X Y, Zhang T H, et al . Study on bio-processes in desertification in Northern Agro-Pasture Interzone. Journal of Desert Research, 2002, 22(4): 309-315.
[16]
Shang Z H, Ding L L, Long R J, et al . Relationship between soil microorganisms, above-ground vegetation, and soil environment of degraded alpine meadows in the headwater areas of the Yangtze and Yellow Rivers, Qinghai-Tibetan Plateau. Acta Prataculturae Sinica, 2007, 16(1): 34-40.
[17]
McSherry M E, Ritchie M E. Effects of grazing on grassland soil carbon: a global review. Global Change Biology, 2013, 19, (5): 1347-1357.
Su D X, Zhang Z H, Chen Z Z, et al . GB 19377-2003 Parameters for Degradation, Sandification and Salification of Rangelands[S]. Beijing: Chinese Standards Press, 2003.
[29]
Xie G D, Lu C X, Leng Y F, et al . Ecological assets valuation of the Tibetan Plateau. Journal of Natural Resources, 2003, 18(2): 189-195.
[30]
Xie G D, Lu C X, Xiao Y, et al . The economic evaluation of grassland ecosystem services in Qinghai-Tibet Plateau. Journal of Mountain Science, 2003, 21(1): 50-55.
[31]
Piao S L, Fang J Y. Terrestrial net primary production and its spatio-temporal patterns in Qinghai-Xizang Plateau, China during 1982-1999. Journal of Nature Resource, 2002, 17(3): 373-380.
[32]
Yan Y C, Tang H P. Differentiation of related concepts of grassland degradation. Acta Prataculturae Sinica, 2008, 17(1): 93-99.
[33]
Chen Q G. Grassland deterioration in the source region of the Yangtze-Yellow rivers and integrated control of the ecological environment. Acta Prataculturae Sinica, 2007, 16(1): 10-15.
[34]
Gao Q Z, Li Y E, Lin E D, et al . Temporal and spatial distribution of grassland degradation in Northern Tibet. Acta Geographica Sinica, 2005, 60(6): 965-973.
[35]
Liu J Y, Xu X L, Shao Q Q. The spatial and temporal characteristics of grassland degradation in the Three-River Headwaters Region in Qinghai Province. Acta Geographica Sinica, 2008, 63(4): 364-376.
[36]
Zhang J E, Liu W G. Utilization of microbes resources and sustainable development of agriculture. Soil and Environmental Science, 2001, 10(2): 154-157.
[37]
Chen X R, Nan Z B. Bacterial diversity and its role in agricultural ecosystems. Pratacultural Science, 2002, 39(9): 34-38.
[38]
Li X, Wang Y C. The biodiversity of soil microbes and plants. Acta Scientiarum Naturalium Universitatis Neimongol, 2006, 37(6): 708-713.
[39]
Wang X P, Li X R, Xiao H L, et al . Evolution characteristics of the artificially re-vegetated shrub ecosystem of arid and semi-arid sand dune area. Acta Ecologica Sinica, 2005, 25(8): 1974-1980.
[40]
Wang X L, Xu L G, Yao X, et al . Analysis on the soil microbial biomass in typical hygrophilous vegetation of Poyang Lake. Acta Ecologica Sinica, 2010, 30(18): 5033-5042.
[41]
Zong N, Shi P L, Jiang J, et al . Interactive effects of short-term nitrogen enrichment and simulated grazing on ecosystem respiration in an alpine meadow on the Tibetan Plateau. Acta Ecologica Sinica, 2013, 33(19): 6191-6201.
[42]
Xu G H, Zheng H Y. Manual of Soil Microorganism Analysis[M]. Beijing: Agricultural Press, 1986.
[43]
Vance E D, Brookes P C, Jenkinson D S. An extraction method for measuring soil microbial biomass C. Soil Biology Biochemistry, 1987, 19(6): 703-707.
[44]
Brookes P C, Andrea L, Pruden G, et al . Chloroform fumigation and the release of soil nitrogen: A rapid direct extraction method to measure microbial biomass nitrogen in soil. Soil Biology Biochemistry, 1985, 12(6): 837-842.
[45]
Zhou H K, Zhao X Q, Zhou L, et al . A study on correlations between vegetation degradation and soil degradation in the 'Alpine Meadow' of the Qinghai-Tibetan Plateau. Acta Prataculturae Sinica, 2005, 14(3): 31-40.
[46]
Gong Y M, Hu Y K, Maidi A, et al . Alpine grassland community characteristics at the different stages of degenerating succession in Bayanbulak. Journal of Arid Land Resource and Environment, 2010, 24(6): 149-152.