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Airborne laser scanning applied to eucalyptus stand inventory at individual tree level PAB
Cosenza,Diogo Nepomuceno; Soares,Vicente Paulo; Leite,Helio Garcia; Gleriani,José Marinaldo; Amaral,Cibele Hummel do; Gripp Júnior,Joel; Silva,Antonilmar Araújo Lopes da; Soares,Paula; Tomé,Margarida.
Abstract: The objective of this work was to evaluate the application of airborne laser scanning (ALS) to a large-scale eucalyptus stand inventory by the method of individual trees, as well as to propose a new method to estimate tree diameter as a function of the height obtained from point clouds. The study was carried out in a forest area of 1,681 ha, consisting of eight eucalyptus stands with ages varying from four to seven years. After scanning, tree heights were obtained using the local maxima algorithm, and total wood stock by summing up individual volumes. To determine tree diameters, regressions fit using data measured in the inventory plots were used. The results were compared with the estimates obtained from field sampling. The equation system...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Forest measurement; Laser scanners; LiDAR.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018001201373
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