一、次生林特点:太岳林区的次生林,是早在反动派统治时期历经多次人为破坏后再次生长的次生林。但由于破坏程度与更新条件的不同,因而次生林好坏也有差异。还林较好的,是沁源的油松纯林,经济价值高,林木密度大、生长良好,这是太岳林区的精华林分。恢复较差的,如石膏山、介庙、绵山、七里峪、小涧峪、大南坪等地区(霍山主梁西侧),一般多为针阔混交,杨 First, the characteristics of the secondary forest: Taiyue forest secondary forest, as early as the reactionary rule after repeated vandalism and growth of secondary forest. However, due to the different extent of damage and the conditions of the renewal, the secondary forest is different. Forest is better, Qinyuan pure pine forest, high economic value, forest density, good growth, which is the essence of Taiyue forest stand. Restore the poor, such as gypsum Hill, referral Temple, Mianshan, Qili Valley, Xiaojiangyu, Da Nanping and other areas (Huoshan main beam west side), mostly mixed conifer and poplar, Yang