| 沙漠与沙漠化 |
|
|
|
|
|
Development and Cause of Aeolian Desertification in Alpine Region—In Case of Maduo County in Yellow River Source Area |
| XUE Xian1,2， GUO Jian1， ZHANG Fang1， ZONG Li1， HAN Bang-shuai1， HUANG Cui-hua1 |
| 1.Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences; Key Laboratory of Desert and Desertification, Chinese Academy of Sciences, Lanzhou 730000, China; 2.Resource and Environmental Department, Lanhzou University, Lanzhou 730000, China |
|
|
|
Abstract The results from remote sensor monitoring and field survey show that aeolian desertification process in the study area can be distributed into two stages: the developing stage from late 1980s to 2000, and the reversing stage form 2000 to 2006. Aeolian desertification area in the study area was 12 827.6 km2 in 1987, and reached up to 16 330.7 km2 in 2000 which occupied 64.7% of total area of the county, then dropped down to 12 977.2 km2 in 2006; Aeolian desertification in study area mainly results from climate warming which deteriorate the frozen soil and lead to the drought of topsoil, grassland degradation and rodent pesticide; human action has not dominantly resulted in the aeolian desertification, however, can control and reverse it effectively by some measures such as confirming livestock number according to the carry capacity of grassland, enclosing grassland and extinguishing rodents pesticide and so on.
|
|
Received: 20 October 2006
Published: 20 September 2007
|
|
|
［1］王涛，吴薇，薛娴, 等.我国北方土地沙漠化演变趋势分析［J］.中国沙漠,2003,23（3）:230-235.
［2］王涛，朱震达，吴薇,等.中国北方土地沙质荒漠化［Ｊ］.中国科学:D辑，2002,45（ Supp.）：23-34.
［3］王涛，吴薇，薛娴,等.近50年来中国北方沙漠化土地的时空变化［Ｊ］.地理学报，2004，59（2）：203-212.
［4］薛娴，王涛，吴薇,等.中国北方农牧交错区沙漠化发展过程及其成因分析［J］.中国沙漠，2005,25（3）:320-328.
［5］杨红文,张登山,张永秀.青海高寒区土地荒漠化及其防治［J］.中国沙漠,1997,17(2):185-188.
［6］黄以职,郭东信,赵秀峰.青藏高原冻土区沙漠化及其对环境的影响［J］.冰川冻土,1993,15(1):52-58.
［7］张龙生,马立鹏.黄河上游玛曲县土地沙漠化研究［J］.中国沙漠,2001,21(1):84-87.
［8］徐明.青海玛多县的生态问题及其对策［J］. 攀登,2002,21(1):96-102.
［9］张怀宁.浅谈达日县草地退化原因及其综合治理［J］. 青海畜牧兽医杂志,2000,30(3):28-29.
［10］程国栋,王根绪.青藏高原江河源区生态环境退化和原因分析［J］.地球科学进展,1998,13(增刊):24-31.
［11］Wang Genxu. Eco\|environmental degradation and causal analysis in the source region of the Yellow River［J］.Environmental Geology, 2001,40:884-890.
［12］封建民, 王涛, 齐善忠.黄河源区土地沙漠化的动态变化及成因分析——以玛多县为例［J］.水土保持学报,2004,18(3):141-144.
［13］Pavlov A V.Current change of climate and permafrost in the Arctic and Sub-Arctic of Russia ［J］.Permafrost and Periglacial Processes,1994,5:101-110.
［14］张森琦,王永贵,赵永真,等.黄河源区多年冻土退化及其环境反映［J］. 冰川冻土,2004,26(1):1-6. |
| No Suggested Reading articles found! |
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
Cited |
|
|
|
|
| |
Shared |
|
|
|
|
| |
Discussed |
|
|
|
|
2007, Vol. 27 
