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Acta Agriculturae Universitatis Jiangxiensis
2006,28
(2)
274-278
龟峰镇土壤养分空间变异特征的研究
作 者：
左继林;刘苑秋;胡松竹;郭晓敏;杜天真
单 位：
江西省林业科学研究院;江西农业大学园林与艺术学院
关键词：
龟峰镇;土壤养分;空间变异特征;土地利用
摘 要：
以信江流域中游弋阳县龟峰段为研究背景,以G IS和地统计学为技术手段,研究了小流域尺度下退化红壤生态脆弱区域土壤养分的空间分布特征,并结合该区的植被分布状况,进一步探讨了不同土地利用方式对土壤养分及区域生态系统脆弱性的影响。依据土壤养分含量为退化等级划分指标,显示龟峰段强烈至剧烈退化等级的区域面积极大,因此该区域土壤质量退化严重。利用地统计学方法对龟峰段土壤养分的空间变异性研究表明:龟峰段土壤养分含量的空间变异强烈地受到人类土地利用方式的影响。
译 名：
A Study on the Spatial Variability Characteristics of the Soil Nutrient Contents in Guifeng Town
作 者：
ZUO Ji-lin~1,LIU Yuan-qiu~(2*),HU Song-zhu~2,GUO Xiao-min~2,DU Tian-zhen~2 (1.Jiangxi Provincial Academy of Forestry Sciences,Nanchang 330032,China;2.College of Landscape and Art,JAU,Nanchang 330045,China)
关键词：
Guifeng Town;soil nutrient;spatial variability characteristics;land use
摘 要：
By means of GIS and geostatics,this paper studies the spatial distribution features of the soil nutrient contents in the ecological fragility area of the serious eroded red soil and their relations to land use in a small watershed,which is located in the Guifeng Town,Yiyang County.According to the degeneration index of soil nutrient contents,the area of the intense and fierce degenertion grades in Guifeng Section is vast,therefore the soil quality of this area has degenerated seriously.According to the spatial variability characteristics of soil nutrient contents in the Guifeng Section,the soil nutrient contents were greatly affected by the mode of land use by man.
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