[1] Burton D L,Beauchamp E G.Profile mitrous oxide and carbon dioxide concentrations in a soil subject to freezing[J]. Soil Sci.Soc.Am.J.,1994,58:115-122 [2] Ouyang Y,Boersma L.Dynamic oxygen and carbon dioxide exchange between soil and atmosphere:Ⅰ.Model development[J]. Soil Sci.Soc.Am.J.,1992,56:1695-1702 [3] Christensen T R,Jonasson S,Callaghan T V,Havstrom M.On the potential CO2 release from tundra soils in changing climate[J]. Applied Soil Ecology,1999,11:127-134 [4] Diemer M,Korner C.Transient enhancement of carbon uptake in an alpine grassland ecosystem under elevated CO2[J]. Arctic and Alpine Research,1998,30:381-387 [5] Oechel W C,Hastings S J,Vourlitis G,L,Jenkins M,Riechers G,Grulke N.Recent change of Arctic tundra ecosystems from a net carbon dioxide sink to a source[J]. Nature London,1993,361:520-523 [6] 林而达、李玉娥编著.全球气候变化和温室气体清单编制方法[M]. 北京:气象出版社,1997.1-11 [7] Seiko O,Shuichi H.Diel and seasonal changes in carbon dioxide concentration and flux in an andisol[J]. Soil Science,1995,160(2):117-124 [8] Bertram O,Modeling the influence of hydrological processes on spatial and temporal patterns of CO2 soil efflux from an Arctic tundra catchment[J]. Arctic and Alpine Research,1996,28(3):318-327 [9] 高晓青.青藏高原北部若干地点10年尺度气候变化的初步分析.青藏高原形成演化、环境变迁与生态系统研究[C]. 北京:科学出版社,1994.297-303 [10] 温玉璞,汤洁,邵志清.瓦里关山大气CO2浓度变化及地表排放影响的研究[J]. 应用气象学报,1997,8(2):129-136 [11] 李英年,沈振西.近40年海北高寒草甸生态系统定位站气温变化特征[J]. 资源生态环境网络研究动态,1999,10(3):28-31 [12] 刘伟,周立,王溪.不同放牧强度对植物及啮齿动物作用的研究[J]. 生态学报,1999,19(3):376-382 [13] Steven F O,Chris T G,Cheng Weixin et al.Diurnal and seasonal patterns of ecosystem CO2 efflux from upland tundra in the Foothills of the Brooks rangs[J]. Alaska,U.S.A.Arctic and Alpine Research,1996,28(3):328-338 [14] 乐炎舟,张金霞,王在模.高山草甸有机氮矿化之研究.高寒草甸生态系统国际学术讨论会论文集[C]. 北京:科学出版社,1988.155-168 [15] 朱桂茹,李家藻,唐诗声等.海北高寒草甸生态系统定位站土壤微生物学的研究[C]. 高寒草甸生态系统,兰州:甘肃人民出版社,1982.1:144-162 [16] 王启兰,李家藻.高寒草甸生态系统不同植被土壤真菌生物量的测定,高寒草甸生态系统(第3集)[C]. 北京:科学出版社,1991.267-274 [17] 龙章富,刘世贵.退化草地土壤农化性状与微生物生化活性的初步研究[J]. 土壤学报,1995,32(2):222-227 |