我省地处中亚热带,典型的地带性植被为常绿阔叶林。但由于地狭人稠、经济活动频繁,原始的常绿阔叶林已不多见,现有的基本上属于次生。次生常绿阔叶林群众一般称为杂木林,习惯上均不抚育经营,也不作为一个林种来处理。因而面积日减,致使我省林种比较单一,部分地区森林生态失调, The province is located in the subtropical zone, the typical zonal vegetation is evergreen broad-leaved forest. However, due to narrow and thick population and frequent economic activities, the original evergreen broad-leaved forests have become rare, and the existing ones are basically secondary. Secondary evergreen broad-leaved forest masses generally known as the miscellaneous woods, are not customary to nurture business, nor as a forest species to deal with. As a result, the area decreases day by day, resulting in a relatively simple type of forest in our province. In some areas, forest ecologies,