ZHANG Yan-jun, GUO Sheng-li, NAN Ya-fang, LI Ze . The Changes and Influencing Factors of Soil C:N Ratio in Small Watershed of Hilly Region of Loess Plateau[J]. JOURNAL OF NATURAL RESOURCES, 2012 , (7) : 1214 -1223 . DOI: 10.11849/zrzyxb.2012.07.012

[1] Hogberg M N, Hogberg P, Myrold D D. Is microbial community composition in boreal forest soils determined by pH, C-to-N ratio, the trees, or all three? [J]Oecologia, 2007, 150(4):590-601. [2] 唐国勇, 苏以荣, 肖和艾, 等. 湘北红壤丘岗稻田土壤有机碳、养分及微生物生物量空间变异[J]. 植物营养与肥料学报, 2007, 13(1):15-21. [3] 张普, 刘卫国. 黄土高原中部黄土沉积有机质记录特征及C/N指示意义[J]. 海洋地质与第四纪地质, 2008, 28(6):120-124. [4] Aber J D. Nitrogen cycling and nitrogen saturation in temperate forest ecosystems [J]. Trends in Ecology & Evolution, 1992, 7(7): 220-224. [5] Bradbury N J, Whitmore A P, Hart P B S. et al. Modelling the fate of nitrogen in crop and soil in the years following application of 15N-labelled fertilizer to winter wheat [J]. The Journal of Agricultural Science, 1993, 121(3):363-379. [6] Janssen B H. Nitrogen mineralization in relation to C:N ratio and decomposability of organic materials [J]. Plant and Soil, 1996, 181(1):39-45. [7] van Veen J A, Ladd J N, Frissel M J. Modelling C and N turnover through the microbial biomass in soil [J]. Plant and Soil, 1984, 76:257-274. [8] Aitkenhead J A, McDowell W H. Soil C:N ratio as a predictor of annual riverine DOC flux at local and global scales [J]. Global Biogeochemical Cycles, 2000, 14(1):127-138. [9] Mu Zhijian, Huang Aiying, Kimura Sonoko D. et al. Linking N₂O emission to soil mineral N as estimated by CO₂ emission and soil C/N ratio [J]. Soil Biology & Biochemistry, 2009, 41(12):2593-2597. [10] Breuer L, Huisman J A, Keller T, et al. Impact of a conversion from cropland to grassland on C and N storage and related soil properties: Analysis of a 60-year chronosequence [J]. Geoderma, 2006, 133(1/2):6-18. [11] Dou F, Wright A L, Hons F M. Depth distribution of soil organic C and N after long-term soybean cropping in Texas [J]. Soil & Tillage Research, 2007, 94(2):530-536. [12] Gal A, Vyn T J, Micheli E, et al. Soil carbon and nitrogen accumulation with long-term no-till versus moldboard plowing overestimated with tilled-zone sampling depths [J]. Soil & Tillage Research, 2007, 96(1/2):42-51. [13] Ogutu Z A. An investigation of the influence of human disturbance on selected soil nutrients in Narok District, Kenya [J]. Environmental Monitoring and Assessment, 1999, 58(1):39-60. [14] Tong C L, Xiao H A, Tang G Y, et al. Long-term fertilizer effects on organic carbon and total nitrogen and coupling relationships of C and N in paddy soils in subtropical China [J]. Soil & Tillage Research, 2009, 106(1):8-14. [15] Quideau S A, Chadwick O A, Benesi A, et al. A direct link between forest vegetation type and soil organic matter composition [J]. Geoderma, 2001, 104(1/2):41-60. [16] 马玉红, 郭胜利, 杨雨林, 等. 植被类型对黄土丘陵区流域土壤有机碳氮的影响[J]. 自然资源学报, 2007, 22(1):97-105. [17] O’Brien S L, Jastrow J D, Grimley D A, et al. Moisture and vegetation controls on decadal-scale accrual of soil organic carbon and total nitrogen in restored grasslands [J]. Global Change Biology, 2010, 16(9):2573-2588. [18] McNab W H. A topographic index to quantify the effect of mesoscale landform on site productivity [J]. Canadian Journal of Forest Research-Revue Canadienne De Recherche Forestiere, 1993, 23(6):1100-1107. [19] Yimer F, Ledin S, Abdelkadir A. Soil property variations in relation to topographic aspect and vegetation community in the south-eastern highlands of Ethiopia [J]. Forest Ecology and Management, 2006, 232(1/3):90-99. [20] Zhu B B, Li Z B, Li P, et al. Soil erodibility, microbial biomass, and physical-chemical property changes during long-term natural vegetation restoration: A case study in the Loess Plateau, China [J]. Ecological Research, 2010, 25(3):531-541. [21] Carrera A L, Bertiller M B, Sain C L, et al. Relationship between plant nitrogen conservation strategies and the dynamics of soil nitrogen in the arid Patagonian Monte, Argentina [J]. Plant and Soil, 2003, 255(2):595-604. [22] Evans R D, Rimer R, Sperry L, et al. Exotic plant invasion alters nitrogen dynamics in an arid grassland [J]. Ecological Applications, 2001, 11(5):1301-1310. [23] Vinton M A, Burke I C. Interactions between individual plant specles and soil nutrient status in shortgrass steppe [J]. Ecology, 1995, 76(4):1116-1133. [24] Chen H Q, Marhan S, Billen N, et al. Soil organic-carbon and total nitrogen stocks as affected by different land uses in Baden-Wurttemberg (southwest Germany) [J]. Journal of Plant Nutrition and Soil Science-Zeitschrift Fur Pflanzenernahrung Und Bodenkunde, 2009, 172(1):32-42. [25] Rovira P, Vallejo V R. Labile and recalcitrant pools of carbon and nitrogen in organic matter decomposing at different depths in soil: An acid hydrolysis approach [J]. Geoderma, 2002, 107(1/2):109-141. [26] Merila P, Malmivaara-Lamsa M, Spetz P, et al. Soil organic matter quality as a link between microbial community structure and vegetation composition along a successional gradient in a boreal forest [J]. Applied Soil Ecology, 2010, 46(2):259-267. [27] Mitchell R J, Campbell C D, Chapman S J, et al. The ecological engineering impact of a single tree species on the soil microbial community [J]. Journal of Ecology, 2010, 98(1):50-61. [28] French N R, Steinhorst R K, Swift D M. Grassland biomass trophic pyramids [M]//French N R. Perspectives in Grassland Ecology. New York: Springer-verlag, 1979. [29] 沈善敏. 无机氮对土壤氮矿化与固定的影响——兼论土壤氮的"激发效应"[J]. 土壤学报, 1986(1):10-16. [30] Monti A, Zatta A. Root distribution and soil moisture retrieval in perennial and annual energy crops in Northern Italy [J]. Agriculture Ecosystems & Environment, 2009, 132(3/4): 252-259. [31] 苗果园, 尹钧, 张云亭, 等. 中国北方主要作物根系生长的研究[J]. 作物学报, 1998, 24(1):2-6. [32] Schulze E D, Mooney H A, Sala O E, et al. Rooting depth, water availability, and vegetation cover along an aridity gradient in Patagonia [J]. Oecologia, 1996, 108(3):503-511. [33] Fu Xiaoli, Shao Mingan, Wei Xiaorong, et al. Soil organic carbon and total nitrogen as affected by vegetation types in northern Loess Plateau of China [J]. Geoderma, 2010, 155(1/2):31-35. [34] Dignac M F, Bahri H, Rumpel C, et al. Carbon-13 natural abundance as a tool to study the dynamics of lignin monomers in soil: An appraisal at the Closeaux experimental field (France) [J]. Geoderma, 2005, 128:3-17. [35] Puget P, Drinkwater L E. Short-term dynamics of root- and shoot-derived carbon from a leguminous green manure [J]. Soil Science Society of America Journal, 2001, 65(3):771-779. [36] Bengtsson G, Bengtson P, Mansson K F. Gross nitrogen mineralization-, immobilization-, and nitrification rates as a function of soil C/N ratio and microbial activity [J]. Soil Biology & Biochemistry, 2003, 35(1):143-154. [37] Szanser M, Ilieva-Makulec K, Kajak A, et al. Impact of litter species diversity on decomposition processes and communities of soil organisms [J]. Soil Biology & Biochemistry, 2011, 43(1):9-19. [38] 王小利, 郭胜利, 马玉红, 等. 黄土丘陵区小流域土地利用对土壤有机碳和全氮的影响[J]. 应用生态学报, 2007, 18(6):1281 -1285. [39] Truu M, Juhanson J, Truu J. Microbial biomass, activity and community composition in constructed wetlands [J]. Science of the Total Environment, 2009, 407(13):3958-3971. [40] Fierer N, Holden P, Schimel J. Holden variations in microbial community composition through two soil depth profiles [J]. Soil Biology & Biochemistry, 2003, 35:167-176. [41] Taylor J P, Wilson B, Mills M S, et al. Comparison of microbial numbers and enzyrnatic activities in surface soils and sub-soils using various techniques[J]. Soil Biology & Biochemistry, 2002, 34:387-401. [42] Potthoff M, Steenwerth K L, Jackson L E, et al. Soil microbial community composition as affected by restoration practices in California grassland [J]. Soil Biology & Biochemistry, 2006, 38(7):1851-1860.