1) Picea asperata
云杉幼林
1.
On the Prevention Threshold of Myospalax fontanieri Milne in Picea asperata Young Plantation;
云杉幼林地中华鼢鼠防治阈值研究
2) Young Linzhi spruce stand
林芝云杉幼林
3) Chinese fir young plantation
杉木幼林
1.
Application of chemical weeding in tending of Chinese fir young plantation
化学除草技术在杉木幼林抚育中的应用
4) spruce-fir forest
云冷杉林
1.
The T-square study on the spatial pattern of Spruce-fir forest in Jingouling Forest Farm shows that two spruce-fir forests are separately in aggregate distribution and random distribution.
用距离方法(T-square)研究金沟岭林场云冷杉过伐林的空间分布格局,经T形指数C和Z1值检验,2块云冷杉林分别为集聚分布和随机分布。
2.
Root biomass of broad-leaved Korean pine forest(BLKPF), spruce-fir forest(SF) and subalpine berch forest(SBF) in Changbai Mountain was studied in this paper.
对长白山阔叶红松林、云冷杉林和亚高山岳桦林根系生物量的研究结果表明：３种森林类型根系总生物量排列顺序为阔叶红松林＞云冷杉林＞岳桦林；同土层深度下，根系生物量大致上也有上述规律，但第Ⅱ层根系生物量为云冷杉林＞阔叶红松林＞岳桦林；３种森林类型的根系生物量占其地上生物量及其总生物量的比例随着海拔升高而增加；根系大部分集中在０～６０ｃｍ土层中。
3.
This paper took spruce-fir forests in over-logged forest region of Changbai Mountain as research object, adopted qualitative and quantitative research approaches, and then analysed environmental impact on regeneration, remained trees, soil, vegetation and so on caused b.
本文以长白山东部过伐林区云冷林为研究对象,根据汪清林业局云冷杉林的经营实践,采用定性和定量相结合的研究方法,在进行更新评价、采伐作业对保留木、幼苗幼树、土壤、水分、植被等生态环境影响分析的基础上,总结提出了对环境影响较小的采伐、集材、清林、更新技术。
5) Picea asperata stand
云杉林分
1.
Analysis on the environmental property of Picea asperata stand through four mathematical methods;
应用4种数学方法对暗针叶云杉林分生境属性的研究
6) Spruce
[英][spru:s] [美][sprus]
云杉林
1.
Sustainable Management Strategy of Spruce Population in Cool Temperate Zone;
寒温带云杉林的保护与利用
2.
This paper studied the distribution, flora, physiognomy, construction, regenation and succession dynamic of spruce forest in Wuling mountain and advanced measure of protecting and managing forest community.
分析研究了雾灵山云杉林群落的分布、区系成分、外貌特点、结构特征和群落的更新演替动态规律，提出了群落的保护、经营措施。
补充资料：幼林抚育机械
见营林机械。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条