The result shows that the Tree class structure replacing the age structure is suitable for studying the structure and dynamics of Castanopsis fargesii population.
结果表明，应用立木级结构代替年龄结构研究栲树种群的结构和动态特征是适用的。
The main factors affecting on the community structure and dynamics of the pests were the biological characters of pests, age of lichee tree, climates and ecological circumstance of the orchard.
害虫生物学特征、树龄、气候条件和生态环境等都是影响害虫群落结构及动态的主要因素。
The main factors affecting on the community structure and dynamics of the pests were the biological characters of pests, age of lichee tree, climates and ecological circumstance of the orchard.
害虫生物学特征、树龄、气候条件和生态环境等都是影响害虫群落结构及动态的主要因素。
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