1) fir stand
冷杉林分
1.
It is used in the paper in demonstrating the growing process of the average diameter at breast height and of the basal area each hactare of fir stand,whose growth characteristics are specifically analysed in the meantime.
本文用其描述了冷杉林分平均胸径、每公顷断面积的生长过程，同时对生长特征进行了详尽的分析。
2) 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。
4) spruce fir forest
云冷杉林
1.
The article studies the effects on spruce fir forests′ litter and soil moisture content and litters′ decomposing rate under different management system in north Changbai Mountains.
论述了检查法(少量、多次择伐法)不同作业方式对长白山北部云冷杉林下枯落物、土壤含水量及枯落物分解速率的影响。
2.
Through sample plots investigation and soil sampling analysis, the paper discusses spruce fir forests soil physical and chemical properties, nutrient content, soil enzymes and soil microorganisms amount in north Changbai Mountains compared with soil under planted larch forest.
该文通过标准地调查与土样测定,分析了长白山北部林区云冷杉林下土壤的理化性质、营养元素含量、土壤酶活性、土壤微生物种类和数量,并与相同立地条件下的人工落叶松林进行对比。
5) primeval Abies georgei var.smithii forest
原始冷杉林
1.
Based on the data collected from a standard permanent plot of a primeval Abies georgei var.
采用样地调查及标准样木收获法,研究西藏色季拉山原始冷杉林乔木层、灌木层、草本层、死亡木、凋落物层的生物量及其分配规律。
6) Abies faxoniana forest
岷江冷杉林
1.
prattii in gaps of Abies faxoniana forest were examined in Wolong Giant Panda Nature Reserve, Sichuan Province.
在亚高山岷江冷杉林中选取≤50m2、50~150m2和>150m2的林窗,每种类型内都包含3种华西箭竹盖度(≤20%、20%~50%和>50%),共调查林窗9个。
补充资料：天然云冷杉林景观
天然云冷杉林景观
天然云冷杉林景观 邓坤枚摄
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