帽儿山
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本论文利用帽儿山地区2002年TM图像和209块森林样地数据构建岭估计方程和神经网络模型,用以研究估测该地区森林可燃物负荷量的最佳方法。
This article used the Mao'er mountain 2002 TM images and data collected in 209 forest sample spots to built Ridge estimation equation and neural network model , in order to find out the best way for researching and estimating fuel load in such area .
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帽儿山虚拟林相的构建虚拟森林火场的技术研究和场景建模
Research on the Techniques of the Virtual Forest Fire and the Scene Construction
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论帽儿山地区物侯季节的划分和农(林)时预测
Division of phenological season and predication of farming season
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帽儿山地区主要林分类型土壤水分物理性质研究
Soil moisture physical characteristics of main forest types of mao ' Er Shan area
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本论文探讨了帽儿山地区食果实鸟类与肉质果植物的相互关系。
The paper discusses the interaction of frugivorous birds and bird-dispersed plants in Maoer Mountain .
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帽儿山溜索安装简单,充分利用了场地自然条件,降低建设成本。
The construction is simple and the cost is lower by using the natural conditions .
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利用马尔可夫模型对帽儿山的森林景观动态进行模拟预测;
At the same time , the forest landscape dynamics were simulated by Markov model .
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最后结合帽儿山数据给出了一个系统演示范例。
Finally , unified with Mao ' ershan data , it gave a system demonstration model .
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帽儿山红松人工林立地质量评价&帽儿山红松人工林立地研究之二
Site quality evaluation of Korean pine plantation on maoershan & studies on site of Korean pine plantation
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这些探讨可为帽儿山森林景观的开发与利用提供科学依据。
These studies can provide a scientific basis to exploit and utilize forest landscape in Maoer Mountain .
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在帽儿山各森林景观斑块中,天然次生林各景观斑块平均面积大于人工林各景观斑块平均面积;
In all landscape types , the average patch area of natural secondary for-ests was bigger than that of artificial forest .
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结果表明,帽儿山地区天然次生林的演替正在陆续进入硬阔叶林阶段,林分质量逐渐提高。
The result showed that the natural secondary forest is entering the stage of hard broadleaf forest whose quality is becoming higher .
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根据小班资源的综合评价,并结合天然林保护的基本准则,将帽儿山天然次生林小班划分为4个保育等级。
Based on the synthetical assessing values and the conservation standards for natural forests , the sub compartments were divided into 4 conservation gradings .
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白桦天然种群成熟材(18-31年生)的木材纤维长度在种群间差异不显著,纤维宽度和长宽比差异显著,帽儿山种群的纤维形态性状最好,汪清最差;
There were no significant differences among natural birch populations in fiber length of the wood in 18-31 years old , great differences in fiber width and ratio of fiber length to width .
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对帽儿山林场101块固定标准地的林木空间分布格局进行了检验发现,对天然林而言空间格局以随机格局和均匀格局为主。
In this paper , it is found that the tree pattern in the secondary forest is mainly random and regular by testing the randomicity of the tree pattern in 101 permanent sample plots .
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两种方法得出的结论基本一致,因此认为帽儿山实验林场有较好的森林质量,应采取保护措施,使这一地区的森林质量维持下去,并有所提高。
Therefore , we can draw that forest quality in the Mao er shan experiment farm forest is quite good . And we should take the protective measures to sustain this area forest quality , and improve it .