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对杉木、马尾松、木荷纯林及其习种不同的混交林分生物量和空间分布状况的调查分析，揭示混交林与生物量间的相互关系，以及生物量的空间分布规律，以便合理利用土壤、防止地力衰退，保持林业永续利用。
Masson pine, Pinus massoniana, Pure Heterostars kaempferi and their habitat mixed forest biomass and spatial distribution of the investigation and analysis to reveal the relationship between mixed forest and biomass, as well as the spatial distribution of biomass in order to rational Use of soil to prevent the decline of soil fertility and maintain sustainable forestry.