The specific topics of this thesis are as follows: Firstly, forest fire risk assessment system in the study area is established.
论文的具体研究内容如下：一是建立了研究区域内的森林火灾评价指标体系。
The base for collecting seeds of natural broad-leaved forest is established in the experimental zone of Huangsang nature reserve, with the area of 733.
在国家级黄桑自然保护区的实验区建立天然阔叶林采种基地，基地面积733。
The base for collecting seeds of natural broad-leaved forest is established in the experimental zone of Huangsang nature reserve, with the area of 733.
在国家级黄桑自然保护区的实验区建立天然阔叶林采种基地，基地面积733。
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