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Field methods for above and belowground biomass estimation in plantation forests

机译:种植林中上述和地下地生物量估计的现场方法

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摘要

A practical and cost-effective destructive sampling method for estimating above and belowground biomass of Corymbia citriodora subspecies variegata grown in plantations is described. The methodology includes details on selecting sample trees, weighing tree components in the field, excavating root systems and obtaining fresh weights and laboratory analyses of components to determine oven dry weights. The development of these sampling procedures is a basic step towards successful, consistent collection of biomass data in 18-20 years old plantation forests. This methodology was developed for eucalypt hardwood timber plantations in Queensland, Australia. However, these procedures can be applied to plantations elsewhere as well as to trees in native forest environments with minor modifications. The methodology developed for field sampling of the tree components and the derivation of allometric relationships for predicting individual tree biomass (above and belowground) highlighted the following:
机译:描述了用于估计的实用且经济高效的破坏性取样方法,用于植入种植园中生长的植物园中的上述和下面的地下生物质。该方法包括选择样品树的细节,在现场中称重树组分,挖掘根系和获得组分的新重量和实验室分析以确定烤箱干重。这些抽样程序的发展是在18-20岁的植物林中成功,一致的生物量数据集合的基本步骤。该方法是为澳大利亚昆士兰州的桉树硬木木材种植园开发的。然而,这些程序可以应用于其他地方的种植园以及在本土森林环境中的树木进行微小的修改。为树组件的现场采样开发的方法以及用于预测单个树生物质(上方和下面的各种关系的推导)突出显示以下内容:

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