Zhang X H, Fu C B, Xu X K, et al. The Asian nitrogen cycle case study[J]. Ambio, 2002, 31(2):79-87.
[2]
Liu X, Duan L, Mo J, et al. Nitrogen deposition and its ecological impact in China:An overview[J]. Environmental Pollution, 2011, 159(10):2251-2264.
[3]
邹亚丽, 牛得草, 杨 益, 等. 氮素添加对黄土高原典型草原土壤氮矿化的影响[J]. 草地学报, 2014, 22(3):461-468. ZOU Ya-li, NIU De-cao, YANG Yi, et al. The effects of nitrogen addition on soil nitrogen mineralization in the semi-arid typical grassland of loess plateau[J]. Acta Agrestia Sinica, 2014, 22(3):461-468.
[4]
张 璐, 黄建辉, 白永飞, 等. 氮素添加对内蒙古羊草草原净氮矿化的影响[J]. 植物生态学报, 2009, 33(3):563-569. ZHANG Lu, HUANG Jian-hui, BAI Yong-fei, et al. Effects of nitrogen addition on net nitrogen mineralization in Leymus chinensis grassland, Inner Mongolia, China[J]. Chinese Journal of Plant Ecology, 2009, 33(3):563-569.
[5]
涂利华, 胡红玲, 胡庭兴, 等. 模拟氮沉降对华西雨屏区光皮桦林土壤酶活性的影响[J]. 应用生态学报, 2012, 23(8):2129-2134. TU Li-hua, HU Hong-ling, HU Ting-xing, et al. Effects of simulated nitrogen deposition on soil enzyme activities in a Betula luminifera plantation in rainy area of West China[J]. Chinese Journal of Applied Ecology, 2012, 23(08):2129-2134.
[6]
Yao X H, Min H, Lu Z H, et al. Influence of acetamiprid on soil enzymatic activities and respiration[J]. European Journal of Soil Biology, 2006, 42(2):120-126.
[7]
Garcia-Ruiz R, Ochoa V, Belen Hinojosa M, et al. Suitability of enzyme activities for the monitoring of soil quality improvement in organic agricultural systems[J]. Soil Biology & Biochemistry, 2008, 40(9):2137-2145.
[8]
Ajwa H A, Dell C J, Rice C W. Changes in enzyme activities and microbial biomass of tallgrass prairie soil as related to burning and nitrogen fertilization[J]. Soil Biology & Biochemistry, 1999, 31(5):769-777.
[9]
Wallenstein D, Mcmahon S K, Schimel J P. Seasonal variation in enzyme activities and temperature sensitivities in Arctic tundra soils[J]. Global Change Biology, 2009, 15(7):1631-1639.
[10]
章家恩, 刘文高, 陈景青, 等. 刈割对牧草地下部根区土壤养分及土壤酶活性的影响[J]. 生态环境, 2005, 14(3):387-391. ZHANG Jia-en, LIU Wen-gao, CHEN Jing-qing, et al. Effect on mowing on soil nutrient and soil enzyme activity in the belowground of pasture root zone[J]. Ecology and Environment, 2005, 14(3):387-391.
[11]
单玉梅, 陈海军, 白永飞, 等. 内蒙古典型草原土壤无机氮含量对交替利用方式的响应[J]. 中国草地学报, 2011, 33(4):24-30. SHAN Yu-mei, CHEN Hai-jun, BAI Yong-fei, et al. Response of soil inorganic nitrogen content to alternate using pattern in typical steppe, Inner Mongolia[J]. Chinese Journal of Grassland, 2011, 33(4):24-30.
[12]
Sorensen L I, Kytoviita M M, Olofsson J, et al. Soil feedback on plant growth in a sub-arctic grassland as a result of repeated defoliation[J]. Soil Biology & Biochemistry, 2008, 40(11):2891-2897.
[13]
Joseph G, Henry H A L. Soil nitrogen leaching losses in response to freeze-thaw cycles and pulsed warming in a temperate old field[J]. Soil Biology & Biochemistry, 2008, 40(7):1947-1953.
[14]
Sharma S, Szele Z, Schilling R, et al. Influence of freeze-thaw stress on the structure and function of microbial communities and denitrifying populations in soil[J]. Applied and Environmental Microbiology, 2006, 72(3):2148-2154.
[15]
中华人民共和国环境保护部. HJ 634—2012 土壤 氨氮、亚硝酸盐氮、硝酸盐氮的测定 氯化钾溶液提取-分光光度法[S]. 北京:中国环境科学出版社, 2012. Ministry of Environmental protection of PRC. HJ 634—2012 Soil-determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods[S]. Beijing:China Environmental Science Press, 2012.
[16]
关松荫. 土壤酶及其研究法[M]. 北京:农业出版社, 1986:270-344. GUAN Song-yin. Soil enzyme and its study methods[M]. Beijing:Agricultural Press, 1986:270-334.
[17]
曾智科. 三江源区高寒草甸土壤微生物季节动态及对草地退化的响应[D]. 西宁:青海师范大学, 2009:36-42. ZENG Zhi-ke. The seasonal dynamics of alpine meadow soil microorganisms and the response from grassland degradation in the area of Three River Source[D]. Xining:Qinghai Normal University, 2009:36-42.
[18]
徐惠风, 刘兴土. 长白山区沟谷沼泽乌拉苔草(Carex meyeriana)湿地土壤酶活性与氮素、土壤微生物相关性研究[J]. 农业环境科学学报, 2009, 28(5):946-950. XU Hui-feng, LIU Xing-tu. Relationship between soil enzyme activity and nitrogen, soil microorganisms of Carex meyeriana wetland in Changbai mountain valley[J]. Journal of Agro-Environment Science, 2009, 28(5):946-950.
[19]
李 娜. 冻融作用对吉林西部典型土壤碳氮酶的影响机制及温室气体排放研究[D]. 长春:吉林大学, 2012:108-111. LI Na. Mechanism of soil organic carbon/total nitrogen/soil enzymes and greenhouse gas emissions during freezing-thawing period in Western Jilin[D]. Changchun:Jilin University, 2012:108-111.
[20]
谯兴国, 李法云, 张 营, 等. 冻融作用对石油污染土壤酶活性和水溶性碳的影响[J]. 农业环境科学学报, 2008, 27(3):914-919. QIAO Xing-guo, LI Fa-yun, ZHANG Ying, et al. The effect of freezing and thawing on enzyme activity and dissolved organic carbon in petroleum contaminated soil[J]. Journal of Agro-Environment Science, 2008, 27(3):914-919.
[21]
Saiya-Cork K R, Sinsabaugh R L, Zak D R. The effects of long term nitrogen deposition on extracellular enzyme activity in an Acer saccharum forest soil[J]. Soil Biology & Biochemistry, 2002, 34(9):1309-1315.
[22]
范志平, 李胜男, 李法云, 等. 冻融交替对河岸缓冲带土壤无机氮和土壤微生物量氮的影响[J]. 气象与环境学报, 2013, 29(4):106-111. FAN Zhi-ping, LI Sheng-nan, LI Fa-yun, et al. Effect of freezing-thawing on soil dissolved inorganic nitrogen and soil microbial biomass nitrogen in riparian zone[J]. Journal of Meteorology and Environment, 2013, 29(4):106-111.
[23]
袁颖红, 樊后保, 李燕燕, 等. 模拟氮沉降对土壤酸化和土壤盐基离子含量的影响[J]. 应用与环境生物学报, 2011, 17(4):461-466. YUAN Ying-hong, FAN Hou-bao, LI Yan-yan, et al. Effect of simulated N deposition on soil acidification and content of base cations[J]. Chinese Journal of Applied & Environmental Biology, 2011, 17(4):461-466.
[24]
Kvaerno S H, Oygarden L. The influence of freeze-thaw cycles and soil moisture on aggregate stability of three soils in Norway[J]. Catena, 2006, 67(3):175-182.
[25]
Smith J, Wagner-Riddle C, Dunfield K. Season and management related changes in the diversity of nitrifying and denitrifying bacteria over winter and spring[J]. Applied Soil Ecology, 2010, 44(2):138-146.
[26]
Matson P A, Mcdowell W H, Townsend A R, et al. The globalization of N deposition:Ecosystem consequences in tropical environments[J]. Biogeochemistry, 1999, 46(1-3):67-83.
[27]
Groffman P M, Driscoll C T, Fahey T J, et al. Effects of mild winter freezing on soil nitrogen and carbon dynamics in a northern hardwood forest[J]. Biogeochemistry, 2001, 56(2):191-213.
[28]
赵俊晔, 于振文, 李延奇, 等. 施氮量对土壤无机氮分布和微生物量氮含量及小麦产量的影响[J]. 植物营养与肥料学报, 2006, 12(4):466-472. ZHAO Jun-ye, YU Zhen-wen, LI Yan-qi, et al. Effects of nitrogen application rate on soil inorganic nitrogen distribution, microbial biomass nitrogen content and yield of wheat[J]. Plant Nutrition and Fertilizer Science, 2006, 12(4):466-472.
[29]
Mergel A, Kloos K, Bothe H. Seasonal fluctuations in the population of denitrifying and N-2-fixing bacteria in an acid soil of a Norway spruce forest[J]. Plant and Soil, 2001, 230(1):145-160.
