研究结果表明:大兴安岭草类落叶松林土壤分为三层。
The study shows that the soil of the herbage larch forest in the Great Xingan Mountains consists of three layers.
水曲柳和落叶松林分表层的侵染率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.
因此,研究人工兴安落叶松林的生物量及碳平衡极为重要。
Therefore, it is important to research biomass and carbon balance of Larix gmelini plantation.
综合邻近树冠的共同影响,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.
本文利用414块人工落叶松林样地实测资料,探讨了角规测树的误差问题。
Errors in forest measuration with Angle gauge are analyzed in this paper based on the data from 414 plots of larch plantation.
测定了豫西伏牛山区日本落叶松林的林冠截流降雨、土壤渗透速度和地表径流。
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.
逐渐恢复的人工落叶松林对径流的调节能力在一定时期内难以恢复到原始水平。
Even the forest coverage recovered to an equal level, the ability of plantation to regulate runoff could hardly still returned to the primary level.
选取5种竞争指标,建立人工落叶松林木胸径、树高和冠长与各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.
1990年以来,落叶松丝角叶蜂在山西省太行山林局为害落叶松林,以幼虫取食当年嫩叶。
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.
我父亲带着鲍勃和我步行穿过落叶松林地,来到了1英里以外的地方,一座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.
以及开发泥炭藓的多种应用,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的更新。
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.
按林型分类,草类—落叶松林种群分布格局中,均匀分布和随机分布所占比例均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 herbage—Larix forest, the random distribution is 78%.
结合单木生物量模型和林分直径分布预估模型可以对不同立地、不同林龄下落叶松林分各组分的生物量进行预测。
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.
由曲线推算的最大总截留率,杂木林和柞木林为4 5 % ,落叶松林为4 0 % ,红松林和油松林约为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.
这声音甚至比那落叶松林的嘶嘶的怒号声更高,落时松林在山坡上,遍布着忿怒的、无叶的、狞恶的暗影。她听见好象一些渺小的水铃在鸣着。
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.
落叶松和松林墙壁是由钢支架,使他们可以组装使用胶,螺栓或指甲。
The larch and pinewood walls were held by steel braces so they could be assembled without glue, bolts or nails.
落叶松和松林墙壁是由钢支架,使他们可以组装使用胶,螺栓或指甲。
The larch and pinewood walls were held by steel braces so they could be assembled without glue, bolts or nails.
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