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林业科学 ›› 1995, Vol. 31 ›› Issue (1): 8-16.

• 论文及研究报告 • 上一篇    下一篇

广西不同生态地理区域杉木林水量平衡的研究

邓世宗1,韦炳贰2   

  1. 1. 广西农业大学林学院 南宁 530001
    2. 广西宜州市庆远林场 宜州 546300
  • 收稿日期:1993-08-10 出版日期:1995-01-25 发布日期:1995-01-25

STUDY ON WATER BALANCE OF THE CUNNING-HAMIA LANCEOLATA FOREST IN THE DIFFERENT ECOLOGICAL GEOGRAPHIC AREAS IN GUANGXI

Shizong Deng1,Bing'er Wei2   

  1. 1. Forestry College of Guangxi Agricultural University Nanning 530001
    2. Qingyuan Forest Farm of Yizhou County Guangxi Yizhou 546360
  • Received:1993-08-10 Online:1995-01-25 Published:1995-01-25

摘要:

本文在进行了10年森林气候和地面径流观测基础上,研究了桂东北低山、桂东南低山及桂中3个区域杉木林的水量平衡。结果是:3个区域杉木林水量平衡都以蒸散量为最大支出项,都由桂东北→桂东南→桂中增大。下渗土层水量居支出项第二,分布规律与蒸散量相反.地面径流量(深)为最小支出项,分布规律与蒸散量一致。但是幼龄的杉木林例外,其径流量最大,下渗土层水量最小。水资源生态效益则以桂东北为最好。

关键词: 生态地理区域, 杉木林, 水量平衡

Abstract:

Based on the investigation of forest climate and surface runoff for 10 years, the water balance of the Chinese fir forest in the three areas of the northeast low mountains, southeast low mountains, and the middle areas in Guangxi Zhuang Autonomous Region, was studied. The results indicate that the evapotranspiration is the greatest output in the water balance within the three areas, which increased from the northeast area to the southeast area, and then the middle area of Guangxi Region. The infiltration water to soil layer is the second greater outputs, which has the opposite distribution regulation to the evapotranspiration. The surface runoff is the leasht, which has the same doatribution regulation as the evapotranspiration. However, there is an exception to the young Chinese fir forest, in which the surface runoff is the largest, the infiltration water to soil layer is the smallest. The best ecological benefit of water resources in the three areas is in the northeast Guangxi Region.

Key words: The ecological geography area, The Cunninghamia lanceolata forest, Water balance