PDF Download

[1]YUAN Jie,CAO Guangchao,YU Min,et al.Difference of Soil Particle Size Between Unchanged Perennial Farmland and Permanent Grassland and Its Implications During Nearly 30 Years on the North of Qinghai Lake[J].Research of Soil and Water Conservation,2016,23(05):199-204.

Copy

Difference of Soil Particle Size Between Unchanged Perennial Farmland and Permanent Grassland and Its Implications During Nearly 30 Years on the North of Qinghai Lake

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 23 Number of periods: 2016 05 Page number: 199-204 Column: Public date: 2016-10-28

Title:: Difference of Soil Particle Size Between Unchanged Perennial Farmland and Permanent Grassland and Its Implications During Nearly 30 Years on the North of Qinghai Lake

Author(s):: YUAN Jie^1,2, CAO Guangchao^1,2, YU Min^1,2, YUAN Youjing³, YANG Long^1,2, ZHAO Yajuan^1,2; 1. Key Laboratory of Qinghai Province Physical Geography and Environmental Processes in Qinghai Province, Qinghai Normal University, Xi’ning 810008, China;
2. College of Life and Geographical Sciences, Qinghai Normal University, Xi’ning 810008, China;
3. Environmental Geological Prospecting Bureau of Qinghai Province, Xi’ning 810008, China

Keywords:: north of Qinghai Lake; human activities; soil particle size

CLC:: S152.3

DOI:: -

Abstract:: Based on the interpretation of the remote sensing images of 1987, 1995, 2000, 2005 and 2010 years in Qinghai Lake basin, we investigated the difference of soil particle size between unchanged perennial farmland and permanent grassland during nearly 30 years on the north of Qinghai Lake, which has been severely affected by human activities and the desertification has been intensified. The results showed that composition of soil particle size in the unchanged grassland and farmland belonged was dominated by sand clay, but the compositions of soil sand, silt and clay sizes were significantly different, the contents of soil silt and clay on the grassland were greater than those in the farmland; the content of soil sand on the grassland was less than that in the farmland, indicating that the soil average particle size on the grassland was smaller; degree of sorting was better; soil particle size followed the normal distribution as well as peak value was moderate. For the farmland, soil average particle size and degree of sorting were converse, soil particle size more deviated positive values. In the soil profile, the difference of soil particle size between the unchanged grassland and farmland existed in the 30—35 cm depth, the difference was significant above 30 cm depth, but it was weak below 30 cm depth.

References:: [1] Xu J, Grumbine R E. Building ecosystem resilience for climate change adaptation in the Asian highlands[J]. Wiley Interdisciplinary Reviews:Climate Change,2014,5(6):709-718.
[2] 陈克龙,李双成,周巧富,等.近25年来青海湖流域景观结构动态变化及其对生态系统服务功能的影响[J].资源科学,2008,30(2):274-280.
[3] Wischnewski J, Herzschuh U, Rühland K M, et al. Recent ecological responses to climate variability and human impacts in the Nianbaoyeze Mountains (eastern Tibetan Plateau) inferred from pollen, diatom and tree-ring data[J]. Journal of Paleolimnology,2014,51(2):287-302.
[4] Lehmkuhl F, Schulte P, Zhao H, et al. Timing and spatial distribution of loess and loess-like sediments in the mountain areas of the northeastern Tibetan Plateau[J]. Catena,2014,117(497):23-33.
[5] Diekmann B, Jin H, Lehmkuhl F, et al. Lake-System Response to Late Quaternary Environmental Dynamics on the Northeastern Tibetan Plateau[C]//AGU Fall Meeting Abstracts,2008.
[6] 李霞,李法云,荣湘民,等.城市污泥改良沙地土壤过程中氮磷的淋溶特征与风险分析[J].水土保持学报,2013,27(4):93-97.
[7] 毛思慧,谢应忠,许冬梅.宁夏盐池县草地沙化对植被与土壤特征的影响[J].水土保持通报,2014,34(1):34-39.
[8] 刘朔,陈天文,蔡凡隆,等.川西北高寒草地沙化进程中土壤物理性质的变化:以理塘县为例[J].四川林业科技,2013,34(2):43-47.
[9] 党晓宏,虞毅,高永,等.PLA沙障对沙丘土壤粒径的影响分析[J].水土保持研究,2014,21(3):16-19.
[10] 新疆维吾尔自治区农业厅,新疆维吾尔自治区土壤普查办公室.新疆土壤[M].北京:科学出版社,1996.
[11] 闫玉春,唐海萍,张新时,等.基于土壤粒度分析的草原风蚀特征探讨[J].中国沙漠,2010,30(6):1263-1268.
[12] 魏永林,许存平,张盛魁,等.气候变化对青海海北地区天然草地生物量及生态环境的响应[J].草业科学,2008,25(3):12-17.
[13] 谢其锋,周立发,刘羽.青海刚察大寺地区花岗岩类LA-ICP-MS锆石U-Pb年龄及其地质意义[J].地质通报,2014,33(9):1379-1390.
[14] 张慧超,沙占江,张婷婷,等.20年来环青海湖区沙漠化土地的空间变化及其驱动力分析[J].干旱区资源与环境,2011,25(3):59-64.
[15] 殷志强,秦小光,吴金水,等.中国北方部分地区黄土,沙漠沙、湖泊、河流细粒沉积物粒度多组分分布特征研究[J].沉积学报,2009,27(2):343-351.
[16] 张正偲,董治宝.土壤风蚀对表层土壤粒度特征的影响[J].干旱区资源与环境,2012,26(12):86-89.
[17] 赵澄林,朱筱敏.沉积岩石学[M].北京:石油工业出版社,1982.
[18] 秦小光,吴金水,蔡炳贵,等.全新世时期北京-张家口地区与黄土高原地区风成系统的差异[J].第四纪研究,2004,24(4):430-436.
[19] 袁杰,曹广超,鄂崇毅,等.环青海湖表层土壤沉积物粒度分布特征及其指示意义[J].水土保持研究,2015,22(3):150-154.
[20] 卫超.卡方检验在华北强震前的应用[J].山西地震,2004(4):23-25.
[21] 王宗皓,李麦村.天气预报中的概率统计方法[M].北京:科学出版社,1974.

Similar References:

Memo

Last Update: 1900-01-01