参考文献
[1] Gans J,Wolinsky M,Dunbar J. Computational improvements reveal great bacterial diversity and high metal toxicity in soil[J].Science,2005,309(5739):1387-1390.
[2] Daniel R. The metagenomics of soil. Nature Reviews Microbiology,2005,3(6):470-478.
[3] 邵玉琴,敖晓兰,宋国宝等.皇甫川流域退化草地和恢复草地土壤微生物生物量的研究[J].生态学杂志,2005,24(5):578-580.
[4] 刘世贵,葛绍荣,龙富章.川西北退化草地土壤微生物数量与区系研究[J].草业学报,1994,3(4):70-76.
[5] 罗明,邱沃.新疆平原荒漠盐渍草地土壤微生物生态分布的研究[J].中国草地,1995,17(5):29-33.
[6] 陈海军,王明玖,韩国栋等.不同强度放牧对贝加尔针茅草原土壤微生物和土壤呼吸的影响[J].干旱区资源与环境,2008,22(4):165-160.
[7] 郭继勋,祝廷成.羊草草原土壤微生物的数量和生物量[J].生态学报,1997,17(1):78-82.
[8] 文都日乐,李刚,杨殿林等.呼伦贝尔草原土壤固氮微生物nifH基因多样性与群落结构[J].生态学杂志,2011,30(4):790-797.
[9] Poly F,Ranjard L,Nazaret S,et al.Comparison of nifH gene pools in soils and soil microenvironments with contrasting properties[J].Applied and Environmental Microbiology,2001,67(5):2255-2262.
[10] Marschner P,Yang C H,Lieberei R,et al.Soil and plant specific effects on bacterial community composition in the rhizosphere[J].Soil Biology & Biochemistry,2001,33(11):1437-1445.
[11] 张俊忠,陈秀蓉,杨成德等.东祁连山高寒草地土壤可培养真菌多样性分析[J].草业学报,2010,16(2):124-132.
[12] 王国荣,陈秀蓉,张俊忠等.东祁连山高寒灌丛草地土壤微生物生理功能群的动态分布研究[J].草业学报,2011,20(2):31-38.
[13] 李刚,范宝莉,文都日乐等.呼伦贝尔针茅草原土壤真菌群落结构分析[J].土壤学报,2011,48(5):1096-1101.
[14] 赵吉,廖仰南,张桂枝等.草原生态系统的土壤微生物生态[J].中国草地,1999,(3):57-67.
[15] 柴晓虹,姚 拓,王理德等.围栏封育对高寒草地土壤微生物特性的影响[J]草原与草坪,2014,35(4):26-31.
[16] 赵吉,刘萍,邵玉琴等.人为因素对草原土壤微生物和生物活性的影响[J].内蒙古大学学报:自然科学版,1996,27(4):568-57.
[17] 柴晓虹,姚拓,王理德等.围栏封育对高寒草地土壤微生物特性的影响[J].草原与草坪,2014,35 (4):26-31.
[18] 姚拓,马丽萍,张德罡.我国草地土壤微生物生态研究进展及浅评[J].草业科学,2005,22(11):1-7.
[19] 马文文,姚拓,靳鹏等.荒漠草原2种植物群落土壤微生物及土壤酶特征[J].中国沙漠,2014,34(1):176-183.
[20] 朱瑞芬,唐凤兰,张月学等.不同利用方式对东北羊草草地土壤微生物数量的影响[J].草地学报,2012,20(5):842-847.
[21] 张成霞,南志标.不同放牧强度下陇东天然草地土壤微生物三大类群的动态特征[J].草业科学,2010,27(11):131-136.
[22] 闫瑞瑞,闫玉春,辛晓平等.不同放牧梯度下草甸草原土壤微生物和酶活性研究[J].生态环境学报,2011,20(2):259-265.
[23] 高雪峰,武春燕,韩国栋等.放牧对典型草原土壤中几种生态因子影响的研究[J].干旱区资源与环境,2010,24(4):130-133.
[24] 邵玉琴,杨桂霞,崔宇新等.锡林郭勒典型草原不同放牧强度下土壤微生物数量的分布特征[J].中国草地学报,2011,33(2):63-68.
[25] 宋俊峰,韩国栋,张功等.放牧强度对草甸草原土壤微生物数量和微生物生物量的影响[J].内蒙古师范大学学报,2008,37(2):237-239.
[26] Jenkinson D S.The determination of microbial biomass carbon and nitrogen in soils[M].Wilson J R.Advances in Nitrogen Cycling in Agricultural Ecosystems C A B International,Wallingford,1988:368-386.
[27] 曹成有,邵建飞,蒋德明等.围栏封育对重度退化草地土壤养分和生物活性的影响[J].东北大学学报:自然科学版,2011,32(3):427-451.
[28] 何亚婷,齐玉春,董云社等.外源氮输入对草地土壤微生物特性影响的研究进展[J].2010,25(8):877-885.
[29] 周翰舒,杨高文,刘楠等.不同退化程度的草地植被和土壤特征[J].草业科学,2014,31(1):30-38.
[30] 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[J].Ecological Engineering,2014,73:395-403.
[31] 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[J].2014,213:178-184.
[32] 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[J].Plant and Soil,2013,368(1-2):329-340,1-39.
[33] 牛得草,江世高,秦燕等.围封与放牧对土壤微生物和酶活性的影响[J].草业科学,2013,30(4):528-534.
[34] 卢虎,姚拓,李建宏等.高寒地区不同退化草地植被和土壤微生物特性及其相关性研究[J].草业学报,2015,24(5):34-43.
[35] 王春燕,张晋京,吕瑜良等.长期封育对内蒙古羊草草地土壤有机碳组分的影响[J].草业学报,2014,23(5):31-39.
[36] Risser P G,Birney E C,Blocker H D,et al. The True Prairie Ecosystem[M].Pennsylvania:Hutchinson Ross Publishing Company Stroudsburg,1981.
[37] Ross D J,Tate K R. Microbial biomass in soil:effects of some experimental variables on biochemical estimations[J].Soil Biology and Biochemistry,1984,16(2):161-167.
[38] Sarathchandra S U,Perrott K W,Upsdell M P.Microbiological and biochemical characteristics of a range of New Zealand soils under established pasture[J].Soil Biology and Biochemistry,1984,16(2):177-183.
[39] Martin J P,Chapman H D. Volatilization of ammonia from surface-fertilized soils[J].Soil Science,1951,71(1):25-34.
[40] Stillwell M A,Woodmansee R G. Chemical transformations of urea-nitrogen and movement of nitrogen in a shortgrass prairie soil[J].Soil Science Society of America Journal,1981,45(5):893-898.
[41] 苟燕妮,南志标.放牧对草地土壤微生物的影响.草业学报,2015,24(10):194-205.
[42] Agnelli A,Ascher J,Corti G,et al.Distribution of microbial communities in a forest soil profile investigated by microbial biomass,soil respiration and DGGE of total extra cellular DNA[J].Soil Biology and Biochemistry,2004,36:859-868.
[43] 杨炜迪,高婷,王川等.草地土壤微生物生态研究概况[J].黑龙江畜牧兽医,2012,9:79-82.
[44] 韩芳,邵玉琴.皇甫川流域不同草地类型土壤中微生物多样性的初步研究[J].内蒙古大学学报,2002,33(5):552 - 557.
[45] 赵帅.放牧与围封对呼伦贝尔针茅草原土壤微生物多样性的影响[D].北京:中国农业科学院,2011.
[46] 李玉洁,李刚,宋晓龙等.休牧对贝加尔针茅草原土壤微生物群落功能多样性的影响[J].草业学报,2013,22(6):21-30.
[47] 高英志,韩兴国,汪诗平.放牧对草原土壤的影响[J].生态学报,2004,24(4):790-797.
[48] Clegg C D.Impact of cattle grazing and inorganic fertiliser additions to managed grasslands on the microbial community composition of soils[J].Applied Soil Ecology,2006,31(1):73-82.
[49] Ingram L J,Stahl P D,Schuman G E,et al.Grazing Impacts on Soil Carbon and Microbial Communities in a Mixed-Grass Ecosystem [J].Soil Biology & Biochemistry,2008,72(4):939-948.
[50] Bardgett R D,Lovell R D,Hobbs P J,et al.Seasonal changes in soil microbial communities along a fertility gradient of temperate grasslands[J].Soil Biology and Biochemistry,1999,31(7):1021-1030.
[51] 李梓正,朱立博,林叶春等.呼伦贝尔草原不同退化梯度土壤细菌多样性季节变化[J].生态学报,2010,30(9):2883-2889.
[52] 吴愉萍.基于磷脂脂肪酸(PLFA)技术分析土壤微生物群落结构多样性的研究[D].杭州:浙江大学,2009:2-10.
[53] 邹雨坤,张静妮,杨殿林等.不同利用方式下羊草草原土壤生态系统微生物群落结构的PLFA分析[J].草业学报,2011,20(4):27-33.
[54] Hilde A,Pal A O.Relative importance of burning,mowing and species translocation in therestoration of a former boreal hayfield:Responses of plant diversity and the icrobial community[J]. Journal of Applied Ecology,2005,42(2):337-347.
[55] Denef K,Roobroeck D,Mihiri C W,et al.Microbial community composition and rhizodeposit carbon assimilation in differently managed temperate grassland soils[J].Soil Biology & Biochemistry,2009,41(1):144-153.
[56] Kennedy N,Brodie E,Connolly J,et al.Impactoflime,nitrogen and plant species on bacterial community structure in grassland microcosms[J].Environmental Microbiology,2004,6(10):1070-1080.
[57] Clegg C D,Lovell R D L,Hobbs P J.The impact of grassland management regime on the community structure of selected bacterial groups in soils[J].Microbiology Ecology,2003,43(2):263-270.
[58] Bardgett R D,Lovell R D,Hobbs P J,et al.Seasonal changes in soil microbial communities along afertility gradient of temperate grasslands[J].Soil Biology & Biochemistry,1999,31(7):1021-1030.
[59] 毕捷,张乃莉,梁宇等.施氮和增雨对内蒙古半干旱地区草原土壤微生物群落碳源利用潜力的影响[J].中国生态农业报,2012,20(12):1586-1593.
[60] Freitag T E,Chang L,Clegg C D,et al.Influence of inorganic nitrogen management regime on the diversity of nitrite-oxidizing bacteria in agricultural grassland soils[J].American Society for Microbiology,2005,7(12):8323-8334.
[61] Johnson D,Leake J R,Lee J A,et al.Changes in soil microbial biomass and microbial activities in response to 7 years simulated pollutant nitrogen deposition on a heath land and two grasslands[J]. Environmental Pollution,1998,103(2/3):239-250.
[62] Grayston S J,Griffith G S,Mawdsley J L,et al.Accounting for variability in soil microbial communities of temperate upland grassland ecosystems[J].Soil Biology and Biochemistry,2001,33(4):533-551.
[63] Mccaig A E,Glover L A,Prosser J I.Molecular analysis of bacterial community structure and diversity in unimproved and improved upland grass pastures[J].Applied and Environmental Microbiology,1999,65(4):1721-1730.
[64] Patra A K,Abbadie L,Clays-Josserand A,et al.Effects of grazing on microbial functional groups involved in soil N dynamics[J].Ecological Monographs,2005,75(1):65-80.
[65] 张海芳,李刚,宋晓龙等.内蒙古贝加尔针茅草原不同利用方式土壤微生物功能多样性[J].生态学杂志,2012,31(5):1143-1149.
[66] 周文萍,向丹,胡亚军等.长期围封对不同放牧强度下草地植物和AM真菌群落恢复的影响[J].生态学报,2013,33(11):3383-3393.
[67] Wakelin S A,Gregg A L,Simpson R J,et al.Pasture management clearly affects soil microbial community structure and N-cycling bacteria[J].Pedobiologia,2009,52(4):237-251.
[68] Zhou X,Wang J,Hao Y,et al.Intermediate grazing intensities by sheep increase soil bacterial diversities in an Inner Mongolian steppe[J].Biology and Fertility of Soils,2010,46(8):817-824.
[69] Howe H F,Brown J S,Zorn-Arnold B.A rodent plague on prairie diversity[J].Ecology Letters,2002,5(1):30-36.
[70] 刘天增,南志标.草地硝化微生物与硝化作用研究进展[J].草业科学,2011,28(6):951-958.
[71] Nacke H,Thürmer A,Wollherr A,et al.Pyrosequencing-based assessment of bacterial community structure along different management types in German forest and grassland soils[J].PloS One,2011,6(2):e17000.
[72] Yang Y F,Wu L W,Lin Q Y,et al.Responses of the functional structure of soil microbial community to livestock grazing in the Tibeta alpine grassland[J].Global Change Biology,2013,19(2):637-648.
[73] Ford H,Rousk J,Garbutt A,et al. Grazing effects on microbial community composition,growth and nutrient cycling in salt marsh and sand dune grasslands[J].Biology and Fertility of Soils,2013,49(1):89-98.
[74] 贾丙瑞,周广胜,王风玉等.土壤微生物与根系呼吸作用影响因子分析[J].应用生态学报,2005,16(8):1547-1552.
[75] Luizäo FJ,ProctorJ,Thompson J,et al.Rainforestonmaraca island,roraima,Brazil:Soil and litter proces sresponse toarti ficial gaps[J].Forest Ecology and Management,1998,102(23):291-303.
[76] SchlesingerW H.Biogeochemistry[J].Geotimes,1997,42(2):44-45.
[77] Johnson D,Leake J R,Read D J.Liming and nitrogen fertilization affects phosphatase activities,microbial biomass and mycorrhizal colonization in upland grassland[J].Plantand Soil,2005,271(1/2):157-164.
[78] LiuW X,XuW H,HanY,et al.Responses of microbial biomass and respiration of soil to topography,burning,and nitrogen fertilization in a temperate steppe[J].Biology Fertility of Soils,2007,44(2):259-268.
[79] Johnson D,Leake J R,Lee J A,et al.Changes in soil microbial biomass and microbial activities in response to7 years simulated pollutant nitrogen deposition on a heath land and two grasslands[J]. Environmental Pollution,1998,103(2/3):239-250.
[80] 吕超群,田汉勤,黄耀.陆地生态系统氮沉降增加的生态效应[J].植物生态学报,2007,31(2):205-218.
[81] 彭琴,董云社,齐玉春.氮输入对陆地生态系统碳循环关键过程的影响[J].地球科学进展,2008,23(8):874-883.
[82] 薛璟花,莫江明,李炯等.氮沉降增加对土壤微生物的影响[J].生态环境,2005,14(5):777-782.
[83] Hatch D J,Lovell R D,Antil R S,et al.Nitrogen mineralization and microbial activity in permanent pastures amended with nitrogen fertilizer or dung[J].Biology Fertility of Soils,2000,30(4):288-293.
[84] Lovell R D,Jarvis S C,Bardgett R D.Soil microbial biomass and activity in long-term grassland:Effects of management changes[J].SoilBiology & Biochemistry,1995,27(7):969-975.
[85] 彭少麟,李跃林,任海等.全球变化条件下的土壤呼吸效应[J].地球科学进展,2002,17(5):705-713.