Journal
COMPUTERS AND ELECTRONICS IN AGRICULTURE
Volume 192, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compag.2021.106596
Keywords
Tree biomass; Nonlinear seemingly unrelated regression; Dirichlet regression; Levenberg-Marquardt artificial neural network
Funding
- Turkish General Directorate of Forestry [ESK-10 (6303)/2011-2014]
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To ensure the sustainability of forest ecosystems, it is necessary to optimize forest management and develop accurate prediction methods for biomass. The Levenberg-Marquardt artificial neural network (LMANN) model is found to be the most flexible and accurate for predicting tree biomass data.
Wood products and energy production originating from harnessing the tree biomass require optimizing the forest management process so as to ensure the sustainability of the forest ecosystems. This optimization can also act as a preventive factor towards limiting the consequences of climate change given it is a contributing factor for maintaining healthy ecosystems. To that end, the need to develop methodologies that enable accurate prediction of biomass is more than evident. Nonlinear seemingly unrelated regressions, Dirichlet regressions, and the Levenberg-Marquardt artificial neural network (LMANN) modeling techniques have been applied for whole tree (above and below ground) biomass prediction as well as its components. We conducted a comparative analysis of these approaches using destructively sampled black pine (Pines nigra Arnold.) trees. Results showed that the LMANN models are flexible and fit tree biomass data with the highest accuracy. Inherent deviations of the biomass data from regression assumptions further support the use of LMANN models as a reliable and promising alternative to the other modeling approaches.
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