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Chinese Journal of Applied Ecology ›› 1996, Vol. 7 ›› Issue (s1): 11-15.

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Rainfall interception by shelter forest crowns on Dougting Lake bater systems

YuanZhengke1, Ouyang Hui2   

  1. 1. Hunan Forestry Resarch Institute, Changsha 410004;
    2. Hunan Agrometeorological and Developmental Centre, Changsha 410007
  • Received:1994-10-10 Revised:1995-05-02 Online:1996-12-25 Published:1996-12-25

Abstract: The rainfall interception by crowns of 18 main shelter forest stands in Dongting Lake water systems is observed at fixed positions with rainfall through and siphon ombrometer.Mathematic model of rainfall interception varied With the rainfall outside forests and dynamic model of rainfall interception by crowns are established. The intercept ability of crows of most stands is stronger in July-August than in April-June, and varies with different time and stands. For different stands,their rainfall interception by crowns is varied evidently with the rainfall outside forests.

Key words: Shelter forest, Rainfall interception by crowns, Model, humanity well-being, supply and consumption, ecological red line., ecosystem ecology, empirical research