Zha Xuan,Tang Keli,Bai Hongying.The Effect of Vegetation Restoration on Properties of Soil Resistance in Erosion[J].Research of Soil and Water Conservation,1993,(01):37-43.
植被恢复对土壤抗侵蚀特性影响的研究
- Title:
- The Effect of Vegetation Restoration on Properties of Soil Resistance in Erosion
- Keywords:
- the Zhiwuling forest area; vegetation restoration; soil characteristics; soil anti-erosivity
- 摘要:
- 通过野外调查和试验分析，研究了子午岭林区植被恢复对土壤物理、化学等一系列抗侵蚀内在特性的影响。表明：在没有人为破坏条件下植被具有很强的恢复与调节功能；植被主要通过改善土壤特性而提高其抗侵蚀能力。植被恢复后的土壤有机质、水稳性团聚体、有效磷、非毛管孔隙度及渗透性等抗侵蚀特性分别较恢复前提高丁6，2.5，6，2和4.5倍，因此其土壤抗冲性指标相应增强了20多倍。
- Abstract:
- The impacts of vegetation restoration on soil anti-erosion characteristics in Zhiwuling area are discussed in this paper,using field investigation and experemahtal analysing.The vegeta-tion are possessed of strong function of rehabilitation and regulation without non-man-made de-struction,and soil anti-erosivity and soil physi-chemical characteristics are ameiiorated.It is showed that the soil organic matter,the waterstable aggregate content.non-capiliary porosity. permeating rate of soil profile and soil anti-scouring action respective may increase by 6.2, 5.2,4. 5 and 20 times than those before vegetation restoration.
参考文献/References:
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[4] (美)R·拉尔.土壤侵蚀方法.科学出版社, 1991
[5] 查轩等.植被对土壤特性及土壤侵蚀的影响研究.水土保持学报, 1992(2)
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备注/Memo
收稿日期:1993-3-1
基金项目:国家目然科学基金资助重大项目