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Title: Tree climbing techniques and volume equations for Eschweilera (Matá-Matá), a hyperdominant genus in the Amazon Forest
Authors: Gimenez, Bruno Oliva
dos Santos, Leandro T.
Gebara, Jonas
Celes, Carlos Henrique Souza
Durgante, Flávia Machado
Lima, Adriano José Nogueira
Santos, Joaquim dos
Higuchi, Niro
Keywords: Nondestructive Examination
Amazon Forests
Critical Issues
Diameter-at-breast Heights
Ecological And Economic
Forest Inventory
Non-destructive Meth-ods
Tropical Forest
Volume Equations
Assessment Method
Climbing Plant
Forest Inventory
Forest Management
Tropical Forest
Forest Management
Inventory Control
Amazon Basin
Issue Date: 2017
metadata.dc.publisher.journal: Forests
metadata.dc.relation.ispartof: Volume 8, Número 5
Abstract: The Eschweilera genus has great ecological and economic importance due to its wide abundance in the Amazon basin. One potential use for the Eschweilera genus is in forest management, where just a few trees are removed per hectare. In order to improve the forest management in the Amazon, this study assessed two critical issues: volume equations fitted for a single genus and the development of a non-destructive method using climbing techniques. The equipment used to measure the sample trees included: climbing rope, ascenders, descenders, and carabiners. To carry out the objectives of this study, 64 trees with diameter at breast height (DBH) = 10 cm were selected and measured in ZF-2 Tropical Forestry Station near the city of Manaus, Brazil. Four single input models with DBH and four dual input models with DBH and merchantable height (H) were tested. The Husch model (V = a × DBHb) presented the best performance (R2 = 0.97). This model does not require the merchantable height, which is an important advantage, because of the difficulty in measuring this variable in tropical forests. When the merchantable height data are collected using accurate methods, the Schumacher and Hall model (V = a × DBHb × Hc) is the most appropriated. Tree climbing techniques with the use of ropes, as a non-destructive method, is a good alternative to measure the merchantable height, the diameter along the stem, and also estimate the tree volume (m3) of the Eschweilera genus in the Amazon basin. © 2017 by the authors.
metadata.dc.identifier.doi: 10.3390/f8050154
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