全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
地理科学  2013 

苏中平原南部土壤有机质空间变异特征研究

, PP. 83-89

Keywords: 土壤有机质,空间变异,地统计学,土壤质地,成土母质

Full-Text   Cite this paper   Add to My Lib

Abstract:

在江苏省中部平原南部选取一个30km×45km方形区域为研究区,按照套合采样方法,采集178个耕作层土样,分析土壤有机质含量和机械组成,运用地统计学和GIS技术研究苏中平原区表层土壤有机质含量空间变异特征,利用相关分析和方差分析探讨区域内土壤有机质含量空间变异的影响因素.统计结果表明,研究区土壤有机质含量为28.51±7.80g/kg,变异系数为27.31%,属中等变异强度;地统计分析表明,研究区土壤有机质含量存在强烈的空间自相关性,结构变异占主导作用,各向异性显著,在39°和219°方向上变异程度最剧烈,土壤有机质含量自东北向西南呈递减趋势.研究区土壤有机质含量空间变异主要受土壤质地、成土母质、地形等因素影响,其中土壤质地是空间变异的主要影响因素.

References

[1]  Yadav V,Malanson G.Progress in soil organic matter research:litter decomposition,modelling,monitoring and sequestration[J]. Progress in Physical Geography,2007,31(2):131-154.
[2]  Cahn M D,Hummel J W,Brouer B H.Spatial-analysis of soil fertilityfor site-specific crop management[J].Soil Science Societyof America Journal,1994,58(4):1240-1248.
[3]  Cambardella C A,Moorman T B,Novak J M,et al.Field-scalevariability of soil properties in central Iowa soils[J].Soil ScienceSociety of America Journal,1994,58(5):1501-1511.
[4]  Kuzel S,Nydl V,Kolar L,et al.Spatial variability of Cadmium,pH,orgnic matter in soil and its dependence on sampling scales[J].Water Air and Soil Pollution,1994,78(1-2):51-59.
[5]  连纲,郭旭东,傅伯杰,等.黄土高原小流域土壤养分空间变异特征及预测[J].生态学报,2008,28(3):946~954.
[6]  蒋勇军,袁道先,谢世友,等.典型岩溶流域土壤有机质空间变异——以云南小江流域为例[J].生态学报,2007,27(5):2040~2047.
[7]  李婷,张世熔,刘浔,等.沱江流域中游土壤有机质的空间变异特点及其影响因素[J].土壤学报,2011,48(4):863~868.
[8]  单树模,王维屏,王庭槐.江苏地理[M].南京:江苏人民出版社,1980.
[9]  江苏省土壤普查办公室.江苏土壤[M].北京:中国农业出版社,1995.
[10]  Huang B,Sun W X,Zhao Y C,et al.Temporal and spatial variabilityof soil organic matter and total nitrogen in an agriculturalecosystem as affected by farming practices[J].Geoderma,2007,139(3-4):336-345.
[11]  泰县土壤普查办公室.江苏省泰县土壤志[M].南京:江苏省土壤普查办公室,1984.
[12]  Goovaerts P.Geostatistics in soil science:state-of-the-art and perspectives[J].Geoderma,1999,89(1-2):1-45.
[13]  胡伟,邵明安,王全九.黄土高原退耕坡地土壤水分空间变异的尺度性研究[J].农业工程学报,2005,21(8):11~16.
[14]  钟晓兰,周生路,李江涛,等.长江三角洲地区土壤重金属污染的空间变异特征——以江苏省太仓市为例[J].土壤学报,2007,44(1):33~40.
[15]  ESRI Inc.Using ArcGIS Geostatistical Analyst[M]. Redlands,Califormia: Environmental Systems Research Institute,2001.
[16]  Schimel D S,Braswell B H,Holland E A,et al.Climatic,edaphicand biotic controls over storage and turnover of carbon in soils[J].Global Biogeochemical Cycles,1994,8(3):279-293.
[17]  Hook P B,Burke I C.Biogeochemistry in a shortgrass landscape:control by topography,soil texture and microclimate[J]. Ecology,2000,81(10):2686-2703.
[18]  史舟,李艳.地统计学在土壤学中的应用[M].北京:中国农业出版社,2006.
[19]  黄昌勇.土壤学[M].北京:中国农业出版社,2000.
[20]  陈怀满.环境土壤学[M].北京:科学出版社,2005.
[21]  Weindorf D C,Zhu Y.Spatial variability of soil properties atCapulin Volcano,New Mexico,USA:Implications for SamplingStrategy[J].Pedosphere,2010,20(2):185-197.
[22]  程先富,史学正,于东升,等.江西省兴国县土壤全氮和有机质的空间变异及其分布格局[J].应用与环境生物学报,2004,10(1):64~67.
[23]  李建辉,李晓秀,张汪涛,等.基于地统计学的北运河下游土壤养分空间分布[J].地理科学,2011,31(8):1001~1006.
[24]  杨艳丽,史学正,王果,等.江苏北部土壤属性空间分异及其影响因素研究[J].土壤通报,2009,40(3):465~470.
[25]  鲁如坤.土壤农业化学分析方法[M].北京:中国农业科技出版社,2000.
[26]  杨帆,章光新,尹雄锐,等.松嫩平原西部土壤盐碱化空间变异与微地形关系研究[J].地理科学,2009,29(6):869~873.
[27]  Oades J M.The retention of organic matter in soils[J].Biogeochemistry,1988,5(1):35-70.
[28]  Brejda J J,Mausbach M J, Goebel J J,et al.Estimating surfacesoil organic carbon content at a regional scale using the NationalResource Inventory[J].Soil Science Society of America Journal,2001,65(3):842-849.
[29]  梁爱珍,张晓平,杨学明,等.土壤细颗粒对有机质的保护能力研究[J].土壤通报,2005,36(5):748~752.
[30]  Carter M R,Angers D A, Gregorich E G,et al.Characterizing organicmatter retention for surface soils in eastern Canada usingdensity and particle size fractions[J].Canadian Journal of SoilScience,2003,83(1):11-23.
[31]  Cambardella C A,Elliott E T.Particulate soil organic matterchanges across a grassland cultivation sequence[J].Soil ScienceSociety of America Journal,1992,56(3):777-783.
[32]  Guggenberger G,Christensen B T,Zech W.Land-use effects onthe composition of organic matter in particle size separates ofsoil.1. lignin and carbohydrate signature[J].European Journal ofSoil Science,1994,45(4):449-458.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133