• Therefore, this study provided a theoretical basis for the management technology of natural Korean pine forest.

    因此制定红松天然林经营技术提供理论依据。

    youdao

  • The paper concerns in virgin Korean pine forest, after sanitation cutting, the herb increases 59.1%, the shrub decreases 50.95%, the litter decreases 24.58%.

    本文揭示了红松原始林卫生清理绿色草本植物数量增加了59.1%,矮小灌木数量下降了50.95%,枯枝落叶层含量下降了24.58%。

    youdao

  • According to the renovation investigation under natural Korean pine forest, this paper states that there are con - sanguineous relationship among renovation, forest type and site conditions.

    通过天然红松林更新进行调查,阐明了天然红松林下的更新好坏和林分类型土地条件有着密切的关系,对今后天然红松林经营起到借鉴作用。

    youdao

  • A case study on the effect of different plot area on forest gap model simulation was conducted with forest gap model NEWCOP in broad leaved Korean pine forests at Changbai Mt. of Northeastern China.

    中国东北长白山阔叶红松林,应用模型NEWCOP探索了不同模拟样地面积林窗模型输出结果影响

    youdao

  • The undergrowth vegetation biomass in Korean pine plantations declined over years and was less than that of the mixed forest of Korean pine and secondary natural forest at all age stages.

    林下植被生物量随林龄增长而降低所有年龄阶段红松人工林林下植被生物量都低于红松混交林天然次生林

    youdao

  • It showed that the minimum sample for spot checking tree spatial distribution patterns of natural Korean pine broad leaved forest should be 49.

    结果表明,天然红松阔叶林空间分布格局调查最小样本量49。

    youdao

  • The prediction of current primary forest showed that it was steady during the next 300 year period, the number of trees and the biomass of Korean pine changed very little.

    现实原始林预测显示森林未来300变化稳定红松株数生物量变化很小

    youdao

  • Soil quality of mixed forest of Korean pine is the best, and that of 58 year-old Korean pine plantation is the worst.

    说明红松混交林土壤质量最好58年生红松人工林土壤质量最差

    youdao

  • The diameter structure, importance value, distribution pattern and survival curve of broad-leaved Korean pine of over-logged forest in Jingouling forest Farm was analysed.

    金沟林场阔叶红松过伐林直径结构重要分布格局以及存活曲线进行分析。

    youdao

  • The forest transpiration amount in August of korean pine plantation was the largest on average area, and hazel shrubbery is the least.

    八月份林分单位面积蒸腾量主要受平均蒸腾强度叶量影响,红松人工林最大,毛榛子灌丛最小。

    youdao

  • The forest transpiration amount in August of korean pine plantation was the largest on average area, and hazel shrubbery is the least.

    八月份林分单位面积蒸腾量主要受平均蒸腾强度叶量影响,红松人工林最大,毛榛子灌丛最小。

    youdao

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