BIO-ECONOMIC TRAJECTORY OF THE MANAGEMENT REGIMES IN Pinus taeda L. STANDS
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Ciência Florestal (Online) |
Texto Completo: | https://periodicos.ufsm.br/cienciaflorestal/article/view/33357 |
Resumo: | The work study the relationship of density and diameter in Pinus taeda L. stand aiming to determining the diagram density management and describe the average-diameter trajectory in different management regimen with biologic and economic repercussion. For that, experimental growth-data measured periodically until 18 years was used. Results demonstrated that the Tang model of density and diameter predicts the maximum line efficiently, using to delimit the concurrence zone that predicted the average diameter among different population densities, as well as determine the objective diameter of the optimal management regimen to conduce the stand. The economic analysis showed a maximum present net value of 15.587,60 R$.ha-1 and 708,50 R$.ha-1.year-1 at management regimen with three thinning at 9, 13 and 18 years and final cut at 22 years. The comparison of the management regimen after equal-horizons of plan in 28 years, showed the same management regimen with the maximum economic efficiency with annual equivalent value of 1.253,40 R$.ha-1.year-1 and a maximum internal rate of 14,83 % per year. |
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Ciência Florestal (Online) |
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BIO-ECONOMIC TRAJECTORY OF THE MANAGEMENT REGIMES IN Pinus taeda L. STANDSTRAJETÓRIA BIOECONÔMICA DOS REGIMES DE MANEJO EM POVOAMENTOS DE Pinus taeda L.densitymanagementeconomythinning.densidademanejoeconomiadesbaste.The work study the relationship of density and diameter in Pinus taeda L. stand aiming to determining the diagram density management and describe the average-diameter trajectory in different management regimen with biologic and economic repercussion. For that, experimental growth-data measured periodically until 18 years was used. Results demonstrated that the Tang model of density and diameter predicts the maximum line efficiently, using to delimit the concurrence zone that predicted the average diameter among different population densities, as well as determine the objective diameter of the optimal management regimen to conduce the stand. The economic analysis showed a maximum present net value of 15.587,60 R$.ha-1 and 708,50 R$.ha-1.year-1 at management regimen with three thinning at 9, 13 and 18 years and final cut at 22 years. The comparison of the management regimen after equal-horizons of plan in 28 years, showed the same management regimen with the maximum economic efficiency with annual equivalent value of 1.253,40 R$.ha-1.year-1 and a maximum internal rate of 14,83 % per year.A relação entre o número de árvores por hectare e o diâmetro de Pinus taeda L. foi estudada com o objetivo de elaborar um diagrama de manejo da densidade para descrever a trajetória do diâmetro médio sob diferentes regimes de manejo com repercussão biológica e econômica. Os dados de densidade e diâmetro foram obtidos de árvores dispostas em diferentes espaçamentos, em parcelas permanentes, remedidas periodicamente até a idade de 18 anos. O modelo de autodesbaste de Tang foi utilizado para estimar a linha de máxima, usada para delimitar as zonas de concorrência, o que também permitiu determinar o diâmetro médio do povoamento sob diferentes densidades da população, bem como o regime de manejo ótimo para condução do povoamento para um determinado diâmetro objetivo. A análise econômica mostrou um valor presente líquido máximo de 15.587,60 R$ha-1 e 708,50 R$ha-1ano-1 no regime de manejo com três desbastes, executados aos 9, 13 e 18 anos e com corte final aos 22 anos. Equalizando os horizontes de planejamento em 28 anos esse regime de manejo também se mostrou o de maior eficiência econômica entre os demais, com valor anual equivalente de 1.253,40 R$ha-1ano-1 e uma taxa interna de retorno máxima de 14,83 % a.a.Universidade Federal de Santa Maria2018-10-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufsm.br/cienciaflorestal/article/view/3335710.5902/1980509833357Ciência Florestal; Vol. 28 No. 3 (2018); 1104-1117Ciência Florestal; v. 28 n. 3 (2018); 1104-11171980-50980103-9954reponame:Ciência Florestal (Online)instname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMporhttps://periodicos.ufsm.br/cienciaflorestal/article/view/33357/pdfCopyright (c) 2018 Ciência Florestalinfo:eu-repo/semantics/openAccessSchneider, Paulo Sérgio PigatoFinger, Cesar Augusto GuimarãesSchneider, Paulo RenatoMendes, Junior Oliveira2018-10-01T19:30:41Zoai:ojs.pkp.sfu.ca:article/33357Revistahttp://www.ufsm.br/cienciaflorestal/ONGhttps://old.scielo.br/oai/scielo-oai.php||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br1980-50980103-9954opendoar:2018-10-01T19:30:41Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM)false |
dc.title.none.fl_str_mv |
BIO-ECONOMIC TRAJECTORY OF THE MANAGEMENT REGIMES IN Pinus taeda L. STANDS TRAJETÓRIA BIOECONÔMICA DOS REGIMES DE MANEJO EM POVOAMENTOS DE Pinus taeda L. |
title |
BIO-ECONOMIC TRAJECTORY OF THE MANAGEMENT REGIMES IN Pinus taeda L. STANDS |
spellingShingle |
BIO-ECONOMIC TRAJECTORY OF THE MANAGEMENT REGIMES IN Pinus taeda L. STANDS Schneider, Paulo Sérgio Pigato density management economy thinning. densidade manejo economia desbaste. |
title_short |
BIO-ECONOMIC TRAJECTORY OF THE MANAGEMENT REGIMES IN Pinus taeda L. STANDS |
title_full |
BIO-ECONOMIC TRAJECTORY OF THE MANAGEMENT REGIMES IN Pinus taeda L. STANDS |
title_fullStr |
BIO-ECONOMIC TRAJECTORY OF THE MANAGEMENT REGIMES IN Pinus taeda L. STANDS |
title_full_unstemmed |
BIO-ECONOMIC TRAJECTORY OF THE MANAGEMENT REGIMES IN Pinus taeda L. STANDS |
title_sort |
BIO-ECONOMIC TRAJECTORY OF THE MANAGEMENT REGIMES IN Pinus taeda L. STANDS |
author |
Schneider, Paulo Sérgio Pigato |
author_facet |
Schneider, Paulo Sérgio Pigato Finger, Cesar Augusto Guimarães Schneider, Paulo Renato Mendes, Junior Oliveira |
author_role |
author |
author2 |
Finger, Cesar Augusto Guimarães Schneider, Paulo Renato Mendes, Junior Oliveira |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Schneider, Paulo Sérgio Pigato Finger, Cesar Augusto Guimarães Schneider, Paulo Renato Mendes, Junior Oliveira |
dc.subject.por.fl_str_mv |
density management economy thinning. densidade manejo economia desbaste. |
topic |
density management economy thinning. densidade manejo economia desbaste. |
description |
The work study the relationship of density and diameter in Pinus taeda L. stand aiming to determining the diagram density management and describe the average-diameter trajectory in different management regimen with biologic and economic repercussion. For that, experimental growth-data measured periodically until 18 years was used. Results demonstrated that the Tang model of density and diameter predicts the maximum line efficiently, using to delimit the concurrence zone that predicted the average diameter among different population densities, as well as determine the objective diameter of the optimal management regimen to conduce the stand. The economic analysis showed a maximum present net value of 15.587,60 R$.ha-1 and 708,50 R$.ha-1.year-1 at management regimen with three thinning at 9, 13 and 18 years and final cut at 22 years. The comparison of the management regimen after equal-horizons of plan in 28 years, showed the same management regimen with the maximum economic efficiency with annual equivalent value of 1.253,40 R$.ha-1.year-1 and a maximum internal rate of 14,83 % per year. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-10-01 |
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/33357 10.5902/1980509833357 |
url |
https://periodicos.ufsm.br/cienciaflorestal/article/view/33357 |
identifier_str_mv |
10.5902/1980509833357 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://periodicos.ufsm.br/cienciaflorestal/article/view/33357/pdf |
dc.rights.driver.fl_str_mv |
Copyright (c) 2018 Ciência Florestal info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2018 Ciência Florestal |
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. 28 No. 3 (2018); 1104-1117 Ciência Florestal; v. 28 n. 3 (2018); 1104-1117 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 |
_version_ |
1799944133869043712 |