大兴安岭北段年降水量300--500毫米，气温低，蒸发弱，湿度大，适合森林生长，是我国唯一的寒温带落叶针叶林（落叶松）分布区，这里的兴安落叶松林具有覆盖度大，组成较纯，成熟林过熟林比重大（约占75%）等特点。干季森林火灾潜在可能性较大，需加强防范。图A为大兴安岭的兴安落叶松林景观，图B为1987年5月特大森林火灾后的兴安落叶松迹地残林。
... larch tree 日本落叶松 larch tree forest 落叶松林 large blocked structure 大块状结构 ...
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Eventually,the decision rules for the larch forest insect pests monitor were performed based on the three inversed indices. The rules are then applied in the YIERSHI forest farm.
最后,在反演了三种虫害发生早期阶段遥感监测指示性因子的基础上,对落叶松林虫害遥感监测规则进行了研究,建立了基于三种因子进行虫害遥感监测的规则,并以内蒙古阿尔山地区虫害监测为例,对该方法进行了应用和评价。
参考来源 - 基于物理模型的落叶松林虫害遥感监测研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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.
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.
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