湖北林业科技

Using systematic cluster analysis method and through establishing two-clas s(group/type)classification system,the authors have classified and divided the 17 existing kinds of management patterns on highefficiency forestry implemented in Songci county and determined that there be four kinds of good types,that is,intensive management (i. e. economic forest type ), fast-growth and high-yield ferest, agricultural forestry,courtyard forestry. Correlation analysis on the index value of their comprehensive benifits also were made,all of which can provide a theoretic basis for sub-dividing and classifying management schemes in the process of forestry production.