摘要
通过对 6种混农林业类型防护效益与结构特征的调查和分析 ,初步得出各类混农林业的防护效益与林木株数、林木平均高度关系不紧密 ,而与林木覆盖度、林木冠体及林木分布度关系极紧密。
Based on investigation and analysis on protective benefits and structural characteristics of 6 kinds of agro forestry patterns, the conclusions have been preliminarily drawn. They are the relationship between tree numbers, tree average height and protective benefit of every kind of agro forestry is not close. The relationship among tree coverage, tree crown, tree distribution and protective benefits of agro forestry is close.
出处
《内蒙古林业科技》
2000年第S1期18-21,共4页
Journal of Inner Mongolia Forestry Science and Technology
关键词
混农林业
防护林
防护效益
agro forestry
protective forest
protective benefits