南京大学学报(自然科学版) ›› 2012, Vol. 48 ›› Issue (6): 761–767.
沈征涛1，王宝军1，施斌1**，姜洪涛2，高磊1，周春慧1
Shen Zheng-Tao1，Wang Bao-J un1，Shi Bin1,Jung Hong-Tao2，Gao Lei1，Zhou Chun-Hui1
摘要： 本文以南京城区有机碳含量1. 03%和3. 95%的两种上样为研究对象，对温度、含水率和有机
质含量对上壤CO2释放的影响进行了室内试验研究.研究发现:温度在10 ?C ~42?C范围内，试样的上
壤CO2释放速率随温度升高而增大，未发现最优温度的存在;过高和过低的含水率都将抑制上壤CO2
释放，最优含水率出现在18%-30%内;有机质含量越高，上壤CO:释放速率越大;最后，论文对温度、
含水率和有机质含量对上壤CO2释放的影响机理进行了分析.研究成果对于掌握上壤CO2释放规律，
认识全球碳循环具有重要意义.
| [1]Schlesinger W H，Andrews J A. Soil respiration and the global carbon cycle. Biogeochemistry, 2000,48(1):7一20. [2]Fang C，Moncrieff J B.The dependence of soil CO2 efflux on temperature. Soil Biology and Bio- chemistry, 2001，33(2):155一165. [3]Yalogh J，Pinter K，Foti S, et al. Dependence of soil respiration on soil moisture, clay content, soil or gamc matter,and CO2 uptake in dry grasslands.Soil Biology and Biochemistry, 2011，43(5):1006 一1013. [4]Howard D M, Howard P J A. Relationships between CO2 evolution,moisture content and temperature for a range of soil types. Soil Biology and Biochemistry, 1993,25(11):1537一1546. [5]Parker L W,Miller J,Steinberger Y,etal. Soil respi- ration in a chihuahuan desert rangcland. Soil Biology and Biochemistry, 1983，15(3):303一309. [6]Dou S. Soil Organic Matter. Beijing; Science Press. (窦森.上壤有机质.北京:科学出版社，2009). [7]He H，Zhao J P,nu J,et al. A Study on the Flux of CO2 Release in the Middle and South of the Plateau in Shaanxi. Journal of Arid Land Re- sources and Environment. 2003，17(5):19一63. (贺辉，赵景波，杜娟等.陕西黄上高原中南部上壤CO2:释放量变化研究.干旱区资源与环境,2003，17(5):49一53). [8]Zhang J X,Cao G M,Zhou D W,et al. Carbon di- oxide emission of Mat cryo-sod soil in the Haibci alpine meadow ecosystem. Acta Ecologica Sinica, 2001,21(4);544-549.(张金霞，曹广民，周党卫等.草毡寒冻雏形上CO2释放特征.生态学报，2001,21(4):544一519). [9]Cheng J Z, Lee X Q, Zhou Z h, et al. Studies on soil CO2一C fluxes of several major types of land covers in the karst region of southwestern China. Geochimica,2010，39(3):268一266.(程建中，李心清，周志红等.西南喀斯特地区几种主要 土地覆被下上壤CO2:通量研究.地球化学，2010,39 （3）:258一265). [10]Zhang R J，Bu N S, Cui J，et al. Effects of land use on soil organic carbon and soil respiration in soils re claimed from wetland in the Chongming island. Acta Ecologica Sinica, 2010，30(2):6698一6706.(张容娟，布乃顺，崔军等.上地利用对崇明岛围垦区上壤有机碳库和上壤呼吸的影响.生态学报，2010,30(2):6698一6706). [11]Wang F W,Yang S Y，Xu X N,et al. Soil respira- tory characteristics of three forests in subtropics. Uuizhou Agricultural Scicnccs,2009，37(3):82一84.(王凤文，杨书运，徐小牛等.亚热带3种森林植被类型上壤的呼吸特征.贵州农业科学，2009, 37(3):82一84). [12]O’Conncl A M Microbial dccomposition(rcspiration) of litter in cucalypt forests of south-western Aus- tralia;an empirical model based on laboratory in- cubations. Soil Biology and Biochemistry, 1990，22 (2):153一160. [13]Grundmann G L,Renault P,Rosso L,et al. Differenti- al effects of soil water content and temperature on ni- trification and aeration. Soil Science Society of America Journal,l995,59(5):1342一1349. [14]Fang C，Smith P，Smith J U, et al, Incorporating microorganisms as decomposcrs into models to simulate soil organic matter decomposition. Geo- derma,2005，129(3一1)，139一146. [15]Yang H R,Chen X Q. Greenhouse effects and the impact of sea level rise and climatic changes on the next century. Journal of Nanjing University (Notural Sciences Edition)，1988,2(1):66一74. (杨怀仁，陈西庆.面临2000年后全球气温和海面升高的挑战.南京大学学报(自然科学),1988, 24(1):66一74). [16]Tian R，Zhou H，Huang J,et al. Effect of elevated atmospheric CO2 concentration on the soil en- zymes and microbial communities under stress of Cd pollution. Journal of Nanjing Univcrsity(Nat- ural Sciences Edition)，2011，47(6):712一717. (田然，周辉，黄娟等.大气CO2浓度升高条件下土壤辐污染对上壤酶及微生物群落多样胜的影响.南京大学学报(自然科学),2011,47 （6）:712一919). |
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