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[1]TAN Zhengxin,WAN Fuxu,ZHANG Bo.Evaluation of Soil Antierodibility of Different Forests in Volcanic Hilly Land of Xuyi County[J].Research of Soil and Water Conservation,2015,22(02):7-11.

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Evaluation of Soil Antierodibility of Different Forests in Volcanic Hilly Land of Xuyi County

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 02 Page number: 7-11 Column: Public date: 2015-04-28

Title:: Evaluation of Soil Antierodibility of Different Forests in Volcanic Hilly Land of Xuyi County

Author(s):: TAN Zhengxin, WAN Fuxu, ZHANG Bo; College of Forest Resources and Environment, Nanjing Forest University, Nanjing 210000, China

Keywords:: soil antierodibility; principal component analysis; evaluation model

CLC:: S157

DOI:: -

Abstract:: The soil erodibility of five artificial forestlands in volcanic hilly land of Xuyi County, such as Populus L,Amygdalus persica L, Myrica rubra (Lour) S. et Zucc, Celtis sinensis Pers, Cupressus lusitanica, were investigated by measuring and analyzing the characters of soil water-stable aggregates and organic matter contents. Principal component analysis (PCA) and correlation analysis were used to examine the anti-erodibility of forest soils in 5 different types of forestlands. The result shows that 10 indexes can be reduced to the 4 ones, which are > 0.25 mm and > 0.5 mm water-stable aggregates, soil aggregate stability index, content of soil organic matter. Then we can build the comprehensive evaluation model of different forests, anti-erodibility, the comprehensive antierodibility(Y=0.073X₄+1.066X₅+9.261X₉+0.557X₁₀-64.939).It is suggested that the antierodibility of Populus L forestland is the best.

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