Prediction of Occurring Number of Poplar Longicorn

Chen Hui;Shao Chongbin;Zhou Jiaxi;Zhu Xiaoqiang(Dept.of Forest Resources Protection,NWFC,Yangling Shaanxi 712100)(Dept. of Forestry, NWFC)  

Within the outbreak region of poplar longicorn the occurring number of poplar longicorn in different stands with different structure, composition and climate factors were approached by the theory of quantification. Stand structure, stand resistance index and temperaturehumidity coefficient were main factors affecting the occurring number of poplar longicorn, especially the stand resisance index.

【Key Words】： poplar longicorn occurring number prediction theory of quantification resistance index
【Fund】： 国家“八五”攻关专题
【CateGory Index】： S763.380.5

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