间伐是在未成熟的森林中,定期的重复伐去部分林木,为保留的林木创造良好的环境条件,促进其生长发育。同时,通过抚育间伐还能获得部分木材。
... cuttings bed 岩屑床 ; 岩屑垫层 intermediate cuttings 间伐 cuttings recovery 钻屑回收率 ...
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中低强度间伐对杆材阶段马尾松林生物量的影响_松香网 关键词: 马尾松;生物量;密度;间伐;动态规律 [gap=1200]Keywords :Masson pine; biomass; density; thinning; dynamic law
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Cultivating cycle of cultivating Korean Spruce is 27 years for pulp timber, 45 years for big diameter construction timber, according to dynamic intermediate felling of different station, site condition, cultivating aim.
根据不同产区、立地、培育目标进行动态的抚育间伐,培育红皮云杉的培育周期确定为纸浆材27年,大径级建筑材45年。
参考来源 - 红皮云杉工业用材林培育技术体系的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
对于林木单株生长,以中度间伐效果最好。
Concerning the individual growth, the intermediate thinning has the best effect.
结果表明,以小径木为间伐对象的间伐作业对林分胸径分布有正面影响;
The results indicated that thinning based on small DBH had positive effect on stand distribution.
试验结果表明:不同的抚育间伐强度对林木的胸径生长有着极显著的影响。
Trial result showed that different intensity of tending and thinning possesses remarkable influence to woody D. B. h.
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