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02 - Volumetric estimates for forest concession areas in the Amazon Forest

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XXV IUFRO WORLD CONGRESS

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Abstract

Forest concession consist in an important mechanism to reduce deforestation rates and develop social and economically the Amazonian region. Estimating the commercial volume and better planning the use of resources are essential for concessionaires. This study aimed to evaluate different approaches to estimate the commercial tree volume of under concession species in the National Forest of Jamari, located in the state of Rondônia, northern Brazil. Regression models of simple and double inputs were fitted and then compared with form factor (average value of 0.7). The Schumacher and Hall model showed the best estimates. The inclusion of random effects related to stand (plot) and specie provided major gain in accuracy and bias. This study serve as a technical subsidy for concessionaires of public forests, adopting more reliable approaches to estimate the commercial volume of tropical species.

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© Copyright 2020 Morressier GmbH.
All rights reserved.