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The Study on the Forest Minus Climate of Different Protecting Forest Structures in Sanxia Reservior Zone

Liu Xuequan;Shi Yuhu;Cai Sheng;Zhang Jialai and Li Sichun  
Factors of the forest minus climate,which are the important to the foresty system,influence the changes of the forest eclogica1 environment and growth of trees,so it is necessary to observe and study them, the paper introduced the different methods of observing the forest minus climate and compared the deviation of various forest structrue's influencement on the forest minus climate,the results were given as follows: 1Middle forests and rippen ones had the most important influencement on them,but the youngth and the dec1ining had the best. 2. Multi-cheories mroed forestmono theory-mixed forestsmono-theory pure forests.3. By the methods of the aregression,the paper studied the relationship between the major of the forests and the minus climate,one of the modles described as: Y = 4l. 3038- 9. 9219X_1 - 0. 3002X_2. Among the major factors of forests,the important was arranged as:shednessaverage hight of tressthe hight of the cocuopy.
【Fund】: “八五”攻关课题!鄂西山地长江上干流生态经济型防护林体系建设技术研究
【CateGory Index】: S716
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