| 沙漠与沙漠化 |
|
|
|
|
| Effect of Desertification on Soil Organic Carbon Pool of Grassland in Headwater Area of Yellow River |
ZENG Yong-nian1; FENG Zhao-dong2
|
| 1.School of Info-Physics and Geomatics Engineering & Research Center of Space Info-Technique and Sustainable Development of Central South University, Changsha 410083, China; 2.National Laboratory of Western China's Environmental System, Lanzhou University, Lanzhou 730000, China |
|
|
|
Abstract Desertification significantly impacts on the regional economy and sustainable development, but also altered the regional hydrological cycle and energy balance. So, desertification affected the soil carbon sink of grassland ecosystem. This study indicated that along with the intensified land degradation from 1990 to 2000, desertified land has increased by 1 067.69 km2. Based on the field-obtained physical and chemical properties about soil profiles, the total soil organic carbon emission from topsoil as a result of desertification was estimated to be about 4.11×106t during the 10 years from 1990 to 2000. According to this result, the desertification in the headwater of the Yellow River must have shared a major portion of soil organic carbon emission in the Tibetan plateau.
|
|
Received: 01 January 1900
Published: 20 March 2008
|
|
|
[1]Schlesinger W H,Reynolds J F,Cummingham G L,et al.Biological feedbacks in global desertification[J].Science,1990,247:1043-1048.
[2]Lal R.Soil management and restoration for C sequestration to mitigate the accelerated greenhouse effect[J].Progress in Environmental Science,1999,1:307-326.
[3]Lal R.Carbon sequestration in drylands[J].Annals of Arid Zone,2000,39(1):1-10.
[4]Lal R.Carbon sequestration in dryland ecosystems of west Asia and North Africa[J].Land Degradation & Development,2002,13:45-59.
[5]李凌浩.土地利用变化对草原生态系统土壤碳储量的影响[J].植物生态学报,1998,22（4）：300-302.
[6]Wang G,Qian J,Cheng G,et al.Soil organic carbon pool of grassland soils on the Qinghai-Tibetan Plateau and its global implication[J].The Science of Total Environment,2002,291:207-217.
[7]Duan Z,Xiao H,Dong Z,et al.Estimate of total CO2 output from desertified sandy land in China[J].Atmospheric Environment,2001,35:5915-5921.
[8]Houghton.Changes in the storage of terrestrial carbon since 1850[C]∥Lal,et al.Soils and Global Change.Boca Raton,Florida:CRC Press,Inc.1995:45-65.
[9]朱震达.中国北方沙漠化现状及其发展趋势[J].中国沙漠,1985,5(3):1-10.
[10]CCICCD.China Country Paper to Combat Desertification[M].Beijing:China Forestry Publishing House,1996:18-31.
[11]王涛,陈广庭,赵哈林,等.中国北方沙漠化过程及其防治研究的新进展[J].中国沙漠，2006，26(4):507-516.
[12]赵哈林，苏永中，周瑞莲.我国北方沙区退化植被的恢复机理[J].中国沙漠，2006，26(3):323-328.
[13]苏志珠，卢琦，吴波,等.气候变化和人类活动对我国荒漠化的可能影响[J].中国沙漠，2006，26(3):329-335.
[14]董朝阳，樊胜岳，钟方雷,等.中国沙漠化过程中人文作用研究进展[J].中国沙漠，2006，26（4）：657-663.
[15]王涛，吴薇，赵哈林,等.沙漠化过程中生物量损失的初步评估[J].中国沙漠，2005，25(4):453-456.
[16]王涛.中国沙漠化研究的若干问题\_\_沙漠化研究和防治的重点区域[J].中国沙漠，2004，24(1):1-9.
[17]Zeng Y,Feng Z,Cao G.Land-cover change and its impacts on environment in the upper reach of the Yellow River,northeast Qinghai-Tibetan Plateau[J].Mountain Research and Development,2003,23(4):353-361.
[18]王绍强，周成虎，李克让,等.中国土壤有机碳库及空间分布特征分析[J].地理学报,2000,55(5):533-544.
[19]李克让，王绍强，曹明奎.中国植被和土壤碳储量[J].中国科学,2003,33（1）：72-80.
[20]曾永年，冯兆东，曹广超,等 黄河源区高寒草地土壤有机碳储量及分布特征[J].地理学报,2004,59(4):497-504.
[21]郑度.青藏高原形成演化及其环境、资源效应[J].中国科学院院刊,2001,（6）：441-443.
[22]刘允芬,欧阳华,曹广民,等.青藏高原东部生态系统土壤碳排放[J].自然资源学报,2001,16(2):152-160.
[23]Wang W,Wang Q,Wang C,et al,The effect of land management on carbon and nitrogen status in Plateaus and soils of alpine meadows on the Tibetan Plateau[J].Land Degradation & Development,2005,16:405-415.
[24]程国栋，王根绪，王学定,等.江河源区生态环境变化与成因分析[J].地球科学进展,1998(增刊 13)：24-31.
[25]董光荣，严平，苏志珠.江河源区荒漠化亟待研究和治理[J].地球科学进展,1998(增刊13)：32-36.
[26]Post W,Emanuel W,Zinke P.Soil carbon pools and life zones[J].Nature,1982,298:156-159.
[27]Birdsey.Inventory of carbon storage and accumulation in U.S.forest ecosystems[C]∥ Burkhart,et al.Research in Forest Inventory,Monitoring,Growth and Yield.Pro IUFRO World Congr,Montreal,5\_11,Aug.1990.School of forest and wild resource,Publ,FWS-3-90.Blacksburg:Virginia Polytechnic Inst and State Univ,1990.
[28]Franzmeier D,Lemme G,Miles R.Organic carbon in soils of north central United States[J].Soil Science Society of America Journal,1985,49:702-708.
[29]Burker I,Yonkr C,Parton W,et al.Texture,climate,and cultivation effects on soil organic matter content in US grassland soils[J].Soil Science Society of America Journal,1989,53:800-805.
[30]王绍强,刘纪远.土壤碳蓄积量变化的影响因素研究现状[J].地球科学进展,2002,17(4):528-532.
[31]王绍强,周成虎,刘纪远,等.东北地区陆地碳循环平衡模拟分析[J].地理学报,2001,56（4）：390-400.
[32]王庚辰，温玉璞.温室气体浓度和排放监测及相关过程[M]∥方精云,刘国华,徐嵩龄.中国陆地生态系统的碳库.北京:中国环境科学出版社,1996:129-139.
[33]朱震达.中国土地荒漠化的概念、成因与防治[J].第四纪研究,1998,2:145-155.
[34]王涛,吴薇,王熙章.沙质荒漠化的遥感监测与评价[J].第四纪研究，1998，2:108-118.
[35]高尚武,王葆芳,朱灵益,等.中国沙质荒漠化土地监测评价指标体系[J].林业科学，1998，34(2):1-10.
[36]董光荣,高尚玉,金炯,等.青海共和盆地土地沙漠化与防治途径[M].北京：科学出版社，1993.
[37]李森,董玉祥,董光荣.青藏高原沙漠化问题与可持续发展[M].北京：中国藏学出版社，2001.
[38]曾永年,向南平,冯兆东,等.Albedo-NDVI特征空间及沙漠化遥感监测指数研究[J].地理科学，2006,26（1）：75-81.
[39]曾永年,冯兆东.黄河源区土地沙漠化时空变化遥感分析[J].地理学报，2007，62(5):529-536.
[40]Follett R.Soil management concepts and carbon sequestration [J].Soil & Tillage Research,2001,61:77-92.
[41]Swift R.Sequestration of carbon by soil[J].Soil Science,2001,166:858-871.
|
| No Suggested Reading articles found! |
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
Cited |
|
|
|
|
| |
Shared |
|
|
|
|
| |
Discussed |
|
|
|
|
2008, Vol. 28 
