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Simulation of the biomass dynamics of Masson pine forest under different management

机译：不同管理下马尾松林生物量动态模拟

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摘要

TREE submodel affiliated with TREEDYN was used to simulate biomass dynamics of Masson pine (Pinus massoniana) forest under different managements (including thinning, clear cutting, combining thinning with clear cutting). The purpose was to represent biomass dynamics involved in its development, which can provide scientific arguments for management of Masson pine forest. The results showed the scenario that 10% or 20% of biomass of the previous year was thinned every five years from 15 to 40 years made total biomass of pine forest increase slowly and it took more time to reach a mature community; If clear cutting and thinning were combined, the case C (clear cutting at 20 years of forest age, thinning 50% of remaining biomass at 30 years of forest age, and thinning 50% of remaining biomass again at 40 years of forest age) was the best scenario which can accelerate speed of development of Masson pine forest and gained better economic values.
机译：使用TREEDYN所属的TREE子模型模拟在不同管理（包括间伐，清伐，间伐与清伐相结合）下的马尾松（Pinus massoniana）森林生物量动态。目的是代表参与其发展的生物量动态，这可以为管理马森松林提供科学依据。结果表明，从上一年度的15％到40年，每五年减少10％或20％的生物量，使松树林总生物量缓慢增加，到达成熟社区所需的时间更长。如果将砍伐和疏伐相结合，则案例C（在森林年龄为20岁时进行砍伐，在森林年龄为30年时稀疏剩余生物量的50％，在森林年龄为40岁时再次稀疏剩余生物量的50％）最好的方案是可以加快马森松林的发展速度并获得更好的经济价值。

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