文章基本信息

标题：On the use of data mining for estimating carbon storage in the trees
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作者：Carlos Roberto Sanquetta ; Jaime Wojciechowski ; Ana Paula Dalla Corte 等
期刊名称：Carbon Balance and Management
印刷版ISSN：1750-0680
电子版ISSN：1750-0680
出版年度：2013
卷号：8
期号：1
页码：1-9
DOI：10.1186/1750-0680-8-6
出版社：BioMed Central
摘要：Forests contribute to climate change mitigation by storing carbon in tree biomass. The amount of carbon stored in this carbon pool is estimated by using either allometric equations or biomass expansion factors. Both of the methods provide estimate of the carbon stock based on the biometric parameters of a model tree. This study calls attention to the potential advantages of the data mining technique known as instance-based classification, which is not used currently for this purpose. The analysis of the data on the carbon storage in 30 trees of Brazilian pine (Araucaria angustifolia) shows that the instance-based classification provides as relevant estimates as the conventional methods do. The coefficient of correlation between the estimated and measured values of carbon storage in tree biomass does not vary significantly with the choice of the method. The use of some other measures of method performance leads to the same result. In contrast to the convention methods the instance-based classification does not presume any specific form of the function relating carbon storage to the biometric parameters of the tree. Since the best form of such function is difficult to find, the instance-based classification could outperform the conventional methods in some cases, or simply get rid of the questions about the choice of the allometric equations.
关键词：Biomass;Biomass expansion factor;Euclidean distance;Regression equations;Root-to-shoot ratio