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林业科学 ›› 1999, Vol. 35 ›› Issue (zk): 66-70.

• 水土流失监测 • 上一篇    下一篇

湖南省大围山杉木新造幼林水土流失的研究

张玉荣,钟武洪   

  1. 湖南省林业科学院 长沙 410004
  • 出版日期:1999-01-01 发布日期:1999-09-25

STUDIES ON SOIL AND WATER LOSS ON CHINESE FIR LAND IN DA WEISHAN IN HUNAN PROVINCE

Yurong Zhang,Wuhong Zhong   

  1. Forestry Institute of Hunan Changsha 410004
  • Online:1999-01-01 Published:1999-09-25

关键词: 降水, 液体径流量, 固体径流量

Abstract:

The runoff in newly planting high-yielding and fast growing plantation of Chinese fir was observed for 5 years.The results indicated that soil and w ater loss as a result of site preparation before afforestation mainly occurred in the first and second years.The liquid runoff of the fixed sample plot amounted to 9 %~ 10 %of the total rainfall in the first year,and then decreased gradually.The solid runoff mainly happened in the first and the second years,reduced obviously in the third year,and there was no solid runoff in the fourth year.

Key words: Rainfall, Liquid runoff, Solid runoff