The methods of plots arranged with age and growth equation were used to calculate the individual, population, aboveground and underground biomass of Pinus yunnanensis.
采用样地编年序列法,并利用生长方程计算不同林龄云南松的个体生物量、种群生物量、地上生物量和地下生物量的变化规律。
It has been observed that individual, population, aboveground and underground biomass increase with increasing stand age.
云南松个体生物量、种群生物量、地上生物量和地下生物量均随林龄增加而增加。
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