Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/13969
Title: RELATIVE DATA SAMPLING OF HYPSOMETRIC RELATIONSHIP IN THE SAVANNA REGION OF TOCANTINS
Issue Date: 1-Aug-2017
Publisher: Editora UFLA - Universidade Federal de Lavras - UFLA
Description: This study aimed to evaluate different sampling systems of hypsometric relationship data in a Savanna area situated in northeastern Tocantins State, Brazil. To this end, 13 plots with an area of 1000 sq m each were used, in which, five simulations of sampling systems were applied for adjustment of the following hypsometric models: Ln(h)=b0+b1(1/d)+Ln(e) and Ln(h)=b0+b1(N)+b2(dq/d)+b3(1/d)+Ln(e). These models had coefficient of determination ranging from 0.419 to 0.509 and standard error of estimate from 27.66% to 29.75%. From a completely randomized design in a split plot scheme, with subsequent application of Dunnett test, both at the level of 0.05, the study revealed that the sampling system with 50% of the trees in each plot produced the best equations of height (h) according to the diameter at breast height (d), quadratic diameter (dq) and number of specimens per hectare (N).
URI: http://repositorio.ufla.br/jspui/handle/1/13969
Other Identifiers: http://www.biometria.ufla.br/index.php/BBJ/article/view/253
Appears in Collections:Revista Brasileira de Biometria

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