天然阔叶混交林林分结构调整技术研究  

Research on the Stand Structure Adjustment Technology of Natural Broad-Leaved Mixed Forest

作　　者：康迎昆 侯振军 

机构地区：[1]黑龙江省林业科学研究所,哈尔滨150081 [2]黑龙江省林业高级技工学校,绥化152061

出　　处：《林业科技》2013年第1期9-12,共4页Forestry Science & Technology

基　　金：国家科技支撑项目:高产优质多抗红皮云杉选育技术(2006BAD01A14)

摘　　要：采用不同更新密度、不同更新树种在不同郁闭度的天然阔叶混交林下进行更新,连续2年对固定标准地进行调查,经过分析得出结论:红松的最佳更新密度为2 000株/hm2,而云杉的最佳更新密度为3 300株/hm2;郁闭度在0.3～0.5之间的林分最佳更新树种为红松,郁闭度<0.3的林分更新树种以云杉好些,郁闭度>0.5的林分可更新任何树种,其生长量都不占优势,应先进行间伐或抚育伐后再进行人为更新;班克松生长较快,但由于不是耐荫树种,保存率较低,不适宜在天然阔叶混交林下更新。Regenerated under the different canopy densities of natural broad - leaved mixed forest used different regenerated densities and different regenerated tree species. Investigated the fixed standards for two consecutive years and obtained the conclusions： the best regenerated densities of Korean pine were 2000 tree/hm2 and the Spruce were 3300 tree/bin2, the best regenerated tree species in canopy density between 0. 3 and 0. 5 were Korean pine, Spruce was the better tree species in the stand whose Canopy density was less than 0. 3, the stand should be regenerated after thinning or tending whose canopy density was more than 0. 5, because the growth of any tree species in this stand were not dominate. Pinus banksiana was not suitable for regenerating under the natural broad - leaved mixed forest because it was not shade -tolerant tree species and low retention ratio though the increments were higher.

关 键 词：天然 阔叶混交林 林分结构 更新密度 

分 类 号：S725.2[农业科学—林木遗传育种] S758.53[农业科学—林学]