侧柏水土保持林林分结构类型的研究

Study on the Forest Structure Type of Water ConservationForest of platycladus orientalis

通过对侧柏林分结构特性、林地立地条件、林分密度的研究分析，证实了植被盖度、林地立地条件、林分密度对土壤侵蚀有重要影响。采用挑选主导因子分析的方法，筛选出郁闭度、草本盖度、灌木盖度三个主导因子，并将其林分划分出高结构型、高中结构型、中结构型、中低结构型、低结构型５个水土保持结构类型，为河南省太行山区营造水土保持林提供了依据。

According to the study on the characteristics of forest structure, locality quality and forest density, it was found out that plant coverage, locality quality and forest density had signif- icant effect on soil erosion. The selection principal factor analysis was adopted and 3 principal fac- tors, namely, canopy density, grass coverage and shrub coverage were screened out, on which 5 types of water conservation forest were classified, including high structure, high-medium structure, medium structure, medium-low structure and low structure. We intended to provide base with this paper for the aforestation of water conservation forest in Taihang mountainous areas of Henan.