宁波天然甜槠阔叶混交林树高—胸径模型研究

Protection Forest Science and Technology(2021)

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Abstract
以宁波天然甜槠阔叶混交林为研究对象,选择30个常用的树高—胸径经验模型,利用调整决定系数(Ra2)、均方根误差(RMSE)、平均绝对误差(MAE)、相对平均绝对误差(RMAE)和Akaike信息准则(AIC)等5个模型评价指标,比较分析模型之间差异.结果表明,除M23无法求解,其余29个模型均可求解.29个模型中,M11和M24在5个模型评价指标中表现优异,M11优于M24,说明M11为适宜的天然甜槠阔叶混交林树高—胸径模型,其Ra2=0.910 1.
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