thinning intensity

At different thinning intensity, the tree number (%) and volume (%) of big diameter woods increased with stand age; the growth rate increased with site index and thinning intensity.

不同间伐水平中、大径材的株数（%）和材积（%），随着林龄的增加而递增；立地指数级越高，间伐强度越大，递增的速度越快。

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Through years of study, the paper describes the growth, development and fruiting of Pinus armandi seed production forests under different thinning intensity, and it also proposes reasonable integrated thinning intensity plan for Pinus armandi seed production forests.

通过对华山松人工林不同疏伐强度的多年研究，展示了华山松母树林不同疏伐强度的生长、发育和结实情况，并提出了华山松母树林的合理综合疏伐强度指标。

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The results showed that: ① The different crown thinning intensity had influence on trees composition structure of "Planting conifer and conserving broad-leaved" Korean pine forest in forest region northeast China.

结果表明：①不同透光抚育强度对东北林区栽针保阔红松林群落树种组成结构具有影响。

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Soil heterotrophic components accounted for the largest proportion of soil respiration, heterotrophic respiration show a downward trend with increasing thinning intensity.

土壤异养组分占土壤呼吸的比例最大，随着间伐强度的增加，异养呼吸呈现下降趋势。

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The diameter and density structure of B stands with 30% thinning intensity significantly better than other three ones.

B林分（弱度间伐）的直径结构和密度结构明显优于其他3种林分。

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The nutrient elements accumulation above ground compartment needs 6 years and 9 years to restore to the state before thinning when the intensity of thinning are 15% and 30%.

15%和30%的强度间伐后，生态系统内地上部分养分积累量恢复到间伐前的水平，分别需要6a和9a的时间。

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An Effect Experiment on the Different Tending Thinning Intensity of Cunninghamia lanceolata Forests

杉木林不同抚育间伐强度效应试验

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Using SPSS software statistics, and using the LSD multiple comparison method to determine the stand each index difference between the different thinning intensity.

采用SPSS软件进行数据统计，并使用LSD多重比较法确定不同抚育强度间林分各指标的差异。

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The Experiment on the Thinning Intensity of Cunninghamia lanceolata Forests with Different Site Classes and Its Economic Benefit Analysis

不同立地级杉木林间伐强度试验及经济效益分析

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The study on the relation between thinning intensity and seed production of the natural Scotch pine seed forest

樟子松天然母树林疏伐强度与种子产量的关系

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The thinning intensity and seed production per unit area wereclosely interrelated;

疏伐强度与母树林单位面积产种量相关密切；

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The plant selected thinning with the intensity at 20%~ 30% was conducted in the Chinese fir seed orchard grew for 12 years in Qingyuan Forest Farm of Zhejiang.

对浙江庆元林场12年生的杉木1代种子园进行强度为20%～30%的选择性疏伐。

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Results showed that DBH constantly increased along with the thinning intensity. The bigger thinning intensity was, the greater DBH grew.

研究表明，杉木人工林胸径随着间伐强度的增大而增加，并且间伐强度越大，胸径增长量越大。

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Effects of Thinning Intensity on the Soil Physical and Chemical Properties, Growth and Yields of Armeniaca vulgaris × A.sibirica

间伐对仁用杏园土壤理化性质及生长结果的影响

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According to the density control tables and the thinning period and Thinning Intensity, thinning for the 4 plots and Analysis of forest spatial pattern changes. 2.

根据密度管理表，及确定的间伐期与间伐强度分别对选取的4块样地所代表的林分进行间伐模拟分析其林分空间分布格局的变化。

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There are significant effects for thinning intensity on growth ring width, late wood percentage, growth ring density and hardness of Fraxinus mandshurica.

对生长轮宽度、晚材率、生长轮密度、木材硬度有显著影响；

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Effects of initial spacing and thinning intensity on wood properties of Chinese fir

初植密度和间伐强度对杉木木材性质的影响

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Thinning stands with the thinning intensity of about 20% and 30% had no significant effects on species diversity, biomass of shrub and herb, and physical properties of soil.

20%和30%的间伐强度没有显著地改变林分的物种多样性、灌草生物量和土壤物理性质，间伐样地的物种多样性略有提高；

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Effects of Thinning Intensity on Wood Properties of Slash Pine

间伐强度对湿地松木材性质的影响规律研究

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The intensity of mid-intermediate cutting was both favorable for the growth of broad-leaved trees and Pinus koraiensis, a upper story thinning intensity at about 45% was suitable for 10-year broadleaved and Korean pine mixed forest;

中度间伐措施对阔叶树和红松的生长均比较有利，10a生的阔叶红松林实施上层抚育的适宜间伐强度为45%左右；

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Effects of thinning Intensity on Growth of Pinus taeda Plantation

不同间伐强度对火炬松林分生长的影响

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