• 研究结果表明大兴安岭草类落叶松林土壤分为

    The study shows that the soil of the herbage larch forest in the Great Xingan Mountains consists of three layers.

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  • 水曲柳落叶松表层侵染高于亚表层的侵染率。

    Theroot infection rate was higher in top soil than in subsurface soil in Ash and Larch plantation.

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  • 因此研究人工兴安落叶松林生物量平衡极为重要

    Therefore, it is important to research biomass and carbon balance of Larix gmelini plantation.

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  • 综合邻近树冠共同影响给出落叶松林地的资源等级水平分布情况

    According to the total effects of neighboring crown, the horizontal distribution of resource degree for larch was expounded.

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  • 本文利用414人工落叶松林样地实测资料探讨角规测树误差问题

    Errors in forest measuration with Angle gauge are analyzed in this paper based on the data from 414 plots of larch plantation.

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  • 测定了豫西伏牛山区日本落叶松林林冠截流降雨土壤渗透速度地表径流

    The forest crown interception precipitation, the penetration speed of soil, and the surface runoff of Larix Kaempferi forests in Funiu Mountain in Western Henan Province were measured in this paper.

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  • 逐渐恢复人工落叶松林径流调节能力在一定时期内难以恢复原始水平

    Even the forest coverage recovered to an equal level, the ability of plantation to regulate runoff could hardly still returned to the primary level.

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  • 选取5种竞争指标建立人工落叶松林胸径竞争指标间的相关关系

    The relationships among 5 competition index and DBH, tree height and crown length have been established.

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  • 1990年以来落叶丝角叶蜂在山西省太行山林为害落叶松林幼虫取食当年嫩叶

    Since 1990, Nematus sp. has been found to damage the larch forest in the way that the larva fed on the annual leaves in Taihang Mt. Shanxi province.

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  • 父亲带着鲍勃步行穿过落叶松林地,来到1英里以外地方陡峭的山横在我们面前

    My father took Bob and me walking out through the tamarack woods and a mile beyond, where we were faced with a sudden high ridge.

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  • 以及开发泥炭多种应用,既可收到变废为宝,又因清除了藓类等地被物而促进长白落叶松林更新

    The peat moss will be changed into valuable things and it promotes automatically the renewal of Larix olgensis forest for peat moss is cleared away.

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  • 林型分类类—落叶松林种群分布格局,均匀分布随机分布所占比例11%,聚集分布占78%。

    According to the forest type to classify, both of clustered and regular distribution are 11% in the commurity distribution pattern of herbageLarix forest, the random distribution is 78%.

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  • 结合单木生物量模型林分直径分布模型可以不同立地不同林龄落叶松各组分生物量进行预测

    The biomass of larch plantation of different site conditions and forest ages could be estimated by incorporating the individual tree biomass model and diameter distribution prediction model.

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  • 曲线推算最大截留杂木柞木林4 5 % ,落叶松林为4 0 % ,红松林松林为30 %。

    The biggest interception rates calculated by curves were 45% for stands of oaks and miscellaneous trees, 40% for larch stands, approximated 30% for P. koraiensis and P. tabulaeformis, respectively.

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  • 声音甚至比那落叶松林嘶嘶怒号声更高,落时松林山坡上,遍布忿怒的、无的、恶的暗影。听见好象一些渺小的水铃在着。

    Even above the hissing boom of the larchwood, that spread its bristling, leafless, wolfish darkness on the down-slope, she heard the tinkle as of tiny water-bells.

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  • 落叶松林墙壁支架使他们可以组装使用螺栓指甲

    The larch and pinewood walls were held by steel braces so they could be assembled without glue, bolts or nails.

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  • 落叶松林墙壁支架使他们可以组装使用螺栓指甲

    The larch and pinewood walls were held by steel braces so they could be assembled without glue, bolts or nails.

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