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人工林伐区索道集材对土壤理化性状的影响

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2009年05期
Page:
151
Column:
论坛
publishdate:
2009-10-20

Article Info:/Info

Title:
Effects of skidding by suspended cable on the physical and chemical properties of soil of artificial forest cutting area
Author(s):
ZHANG Zhengxiong1 ZHOU Xinnian1 DENG Shengmei2 CHEN Yufeng3
1.College of Traffic, Fujian Agriculture and Forestry University, Fuzhou 350002, China; 2.Fujian Academy of Forestry, Fuzhou 350012, China; 3.College of Machine & Electricity Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China
Keywords:
physical and chemical properties of soil skidding by suspended cable artificial forest cutting area
Classification number :
S782;S751
DOI:
10.3969/j.jssn.1000-2006.2009.05.034
Document Code:
-
Abstract:
The effect of skidding with a suspended cable on the physical and chemical properties of soil in artificial mixed forest of Pinus massoniana and Cunninghamia lanceolata was investigated. The results showed that the other indexes of physical and chemical properties of soil declined while the volume weight of soil and the damage rate of soil structure were increasing. The surface soil (0—20 cm) were impacted more seriously than the bottom soil (20—40 cm). The bulk density of surface soil and the damage rate of surface soil structure increased 0.02 g/cm and 6.17% respectively, the saturated water retention and the total porosity of top soil decreased 3.65% and 1.98% respectively. The content of main nutrient of top soil, such as organic matter, total N, hydrolytic N, total P, available P, total K and available K, reduced 1.34 g/kg, 0.04 g/kg, 6.46 mg/kg, 0.01 g/kg, 0.04 mg/kg, 1.01 g/kg and 11.00 mg/kg respectively. Besides, the reasons of change of many physical and chemical properties of soil caused by operation of skidding were analyzed. Some technological measures for reducing the damage of skidding by suspended cable on the soil were put forward from the view of ecological harvesting operation.

References

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Last Update: 1900-01-01