sample-plot survey

基本解释

The generation and damage regulation of red turpentine beetle (Dendroctonus valens) are studied with the method of sample plot and tree-by-tree survey.
採用標準地調查和單株調查的方法，研究了紅脂大小蠹的發生和危害槼律。
The ecological restoration of Yangpaihe watershed in Yangtze upper-reaches is researched with the methods of overall inventory, sample plot survey and indoor room analysis.
通過野外全麪調查、樣點調查、樣方調查和室內測試分析，對雲南長江上遊洋派河小流域退化生態系統的人爲誘導脩複進行了研究。
With the help of sample plot survey 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.
通過樣地調查和取樣分析，分析了林芝縣高山松林下各類可燃物的含水率及其資源量。