The generation and damage regulation of red turpentine beetle (Dendroctonus valens) are studied with the method of sampleplot and tree-by-tree survey.
采用标准地调查和单株调查的方法，研究了红脂大小蠹的发生和危害规律。
2
With the help of sampleplotsurvey and sampling analysis, the water-containing rate and amount of resources of all kinds of combustibles under alpine pine forest in Nyingchi County are analyzed.
通过样地调查和取样分析，分析了林芝县高山松林下各类可燃物的含水率及其资源量。
3
The ecological restoration of Yangpaihe watershed in Yangtze upper-reaches is researched with the methods of overall inventory, sampleplotsurvey and indoor room analysis.