USE OF DUMMY VARIABLES IN VOLUME EQUATIONS FOR Acacia mearnsii De Wild.

Detalhes bibliográficos
Autor(a) principal: Schneider, Paulo Renato
Data de Publicação: 2003
Outros Autores: Tonini, Helio
Tipo de documento: Artigo
Idioma: por
Título da fonte: Ciência Florestal (Online)
Texto Completo: https://periodicos.ufsm.br/cienciaflorestal/article/view/1748
Resumo: This work was accomplished with the objective of selecting a volume equation with the use of dummy variables for Acacia mearnsii De Wild, in the area of Central Depression of Rio Grande do Sul. In the study there were sampled 750 trees distributed in three places, in ages varying from 3,5 to 7,5 years. The statistical parameters indicated the Stoate Model as the one with the best precision. The fit of this equation with the use of dummy variables was shown to be efficient because it allowed to identify tree growth differences among places, which suggest that the fit of volume equations should be separate to each place, as a way of minimizing errors of volume estimation.
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spelling USE OF DUMMY VARIABLES IN VOLUME EQUATIONS FOR Acacia mearnsii De Wild.Utilização de variáveis dummy em equações de volume para Acacia mearnsii De Wild.forest biometricvolumetrical analysis.biometria florestalanálise volumétricaThis work was accomplished with the objective of selecting a volume equation with the use of dummy variables for Acacia mearnsii De Wild, in the area of Central Depression of Rio Grande do Sul. In the study there were sampled 750 trees distributed in three places, in ages varying from 3,5 to 7,5 years. The statistical parameters indicated the Stoate Model as the one with the best precision. The fit of this equation with the use of dummy variables was shown to be efficient because it allowed to identify tree growth differences among places, which suggest that the fit of volume equations should be separate to each place, as a way of minimizing errors of volume estimation.Este trabalho foi realizado com o objetivo de selecionar uma equação de volume, com o uso de variáveis dummy para povoamentos de Acacia mearnsii De Wild, na região da Depressão Central no Rio Grande do Sul. No estudo, foram amostradas 750 árvores, distribuídas proporcionalmente em três locais, em idades variando de 3,5 a 7,5 anos. Os parâmetros estatísticos utilizados indicaram o modelo de Stoate como o de melhor precisão. O ajuste dessa equação com a utilização de variáveis dummy se mostrou eficiente, pois permitiu identificar diferenças de crescimento das árvores entre locais, o que indicou a necessidade de ajustar equações de volume em separado para cada local minimizando erros de estimativa de volume.Universidade Federal de Santa Maria2003-06-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufsm.br/cienciaflorestal/article/view/174810.5902/198050981748Ciência Florestal; Vol. 13 No. 2 (2003); 121-129Ciência Florestal; v. 13 n. 2 (2003); 121-1291980-50980103-9954reponame:Ciência Florestal (Online)instname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMporhttps://periodicos.ufsm.br/cienciaflorestal/article/view/1748/1017Schneider, Paulo RenatoTonini, Helioinfo:eu-repo/semantics/openAccess2017-05-18T13:11:30Zoai:ojs.pkp.sfu.ca:article/1748Revistahttp://www.ufsm.br/cienciaflorestal/ONGhttps://old.scielo.br/oai/scielo-oai.php||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br1980-50980103-9954opendoar:2017-05-18T13:11:30Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM)false
dc.title.none.fl_str_mv USE OF DUMMY VARIABLES IN VOLUME EQUATIONS FOR Acacia mearnsii De Wild.
Utilização de variáveis dummy em equações de volume para Acacia mearnsii De Wild.
title USE OF DUMMY VARIABLES IN VOLUME EQUATIONS FOR Acacia mearnsii De Wild.
spellingShingle USE OF DUMMY VARIABLES IN VOLUME EQUATIONS FOR Acacia mearnsii De Wild.
Schneider, Paulo Renato
forest biometric
volumetrical analysis.
biometria florestal
análise volumétrica
title_short USE OF DUMMY VARIABLES IN VOLUME EQUATIONS FOR Acacia mearnsii De Wild.
title_full USE OF DUMMY VARIABLES IN VOLUME EQUATIONS FOR Acacia mearnsii De Wild.
title_fullStr USE OF DUMMY VARIABLES IN VOLUME EQUATIONS FOR Acacia mearnsii De Wild.
title_full_unstemmed USE OF DUMMY VARIABLES IN VOLUME EQUATIONS FOR Acacia mearnsii De Wild.
title_sort USE OF DUMMY VARIABLES IN VOLUME EQUATIONS FOR Acacia mearnsii De Wild.
author Schneider, Paulo Renato
author_facet Schneider, Paulo Renato
Tonini, Helio
author_role author
author2 Tonini, Helio
author2_role author
dc.contributor.author.fl_str_mv Schneider, Paulo Renato
Tonini, Helio
dc.subject.por.fl_str_mv forest biometric
volumetrical analysis.
biometria florestal
análise volumétrica
topic forest biometric
volumetrical analysis.
biometria florestal
análise volumétrica
description This work was accomplished with the objective of selecting a volume equation with the use of dummy variables for Acacia mearnsii De Wild, in the area of Central Depression of Rio Grande do Sul. In the study there were sampled 750 trees distributed in three places, in ages varying from 3,5 to 7,5 years. The statistical parameters indicated the Stoate Model as the one with the best precision. The fit of this equation with the use of dummy variables was shown to be efficient because it allowed to identify tree growth differences among places, which suggest that the fit of volume equations should be separate to each place, as a way of minimizing errors of volume estimation.
publishDate 2003
dc.date.none.fl_str_mv 2003-06-30
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://periodicos.ufsm.br/cienciaflorestal/article/view/1748
10.5902/198050981748
url https://periodicos.ufsm.br/cienciaflorestal/article/view/1748
identifier_str_mv 10.5902/198050981748
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://periodicos.ufsm.br/cienciaflorestal/article/view/1748/1017
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal de Santa Maria
publisher.none.fl_str_mv Universidade Federal de Santa Maria
dc.source.none.fl_str_mv Ciência Florestal; Vol. 13 No. 2 (2003); 121-129
Ciência Florestal; v. 13 n. 2 (2003); 121-129
1980-5098
0103-9954
reponame:Ciência Florestal (Online)
instname:Universidade Federal de Santa Maria (UFSM)
instacron:UFSM
instname_str Universidade Federal de Santa Maria (UFSM)
instacron_str UFSM
institution UFSM
reponame_str Ciência Florestal (Online)
collection Ciência Florestal (Online)
repository.name.fl_str_mv Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM)
repository.mail.fl_str_mv ||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br
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