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[1]WANG Yong,YANG Rui,QU Shuang,et al.Analysis of Soil Physical Characteristics and Water Conservation Function of Different Vegetation Types in Nangan Natural Reserve[J].Research of Soil and Water Conservation,2018,25(06):183-188.

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Analysis of Soil Physical Characteristics and Water Conservation Function of Different Vegetation Types in Nangan Natural Reserve

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 25 Number of periods: 2018 06 Page number: 183-188 Column: Public date: 2018-10-26

Title:: Analysis of Soil Physical Characteristics and Water Conservation Function of Different Vegetation Types in Nangan Natural Reserve

Author(s):: WANG Yong, YANG Rui, QU Shuang, LIU Zhi, PEI Yidai; College of Forestry, Guizhou University, Guiyang 550025, China

Keywords:: Nangan Nature Reserve; soil physical properties; water conservation

CLC:: S714

DOI:: -

Abstract:: In order to examine the soil physical properties and water conservation functions of different vegetation types in Nangan Nature Reserve, soil physical properties, soil water capacity and soil infiltration capacity etc of 6 kinds of typical vegetation types (deciduous broad-leaved forest, coniferous forest, coniferous forest, shrub forest, bamboo forest and grass) were measured. The comprehensive evaluation of different vegetation types was carried out by using the comprehensive evaluation method. The results showed that the soil densities of 6 different vegetation types ranged from 0.97 g/cm³ to 1.55 g/cm³, and the total porosity of soil varied from 35.73% to 69.25%, the maximum water holding capacities ranged from 357.32 mm to 692.45 g/kg. Soil physical properties, soil water storage capacities and osmosis abilities of different vegetation types were obvious different. Comprehensive evaluation analysis showed that soil water conservation function in deciduous broad-leaved forest is the best (∑P_i²=0.468) among different vegetation types, followed by bamboo (∑P_i²=0.784), coniferous forest (∑P_i²=0.914), coniferous forest (∑P_i²=0.984), shrub (∑P_i²=1.005), comprehensive soil water conservation ability on the slope with sparse grass was relatively poor (∑P_i²=1.431).

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