Evaluating potential timber species at the Tapajos National Forest in Para state, Brazil, 28 years after logging

Detalhes bibliográficos
Autor(a) principal: Reis, Leonardo Pequeno
Data de Publicação: 2010
Outros Autores: Ruschel, Ademir Roberto, Coelho, Amanda Alves, Luz, Adriana Santos da, Martins-da-Silva, Regina Célia Viana
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Florestal Brasileira (Online)
Texto Completo: https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/144
Resumo: The stock of timber species was evaluated in a 64 ha experimental area 28 years after logging. The study was carried out in the Tapajos National Forest, state of Para, Brazilian Amazon. The study area was logged in 1979 and tree species were measured from 1981 to 2007 in 36 permanent sample plots. In 2007 tree species were classified in three groups: commercial timber (MC); potentially commercial timber (MP); non-commercial timber (MS). During that period all trees with DBH>5cm were measured. In 2007, 28 years after logging 9,859 trees from 239 species were recorded. Considering the species groups 35.5% belong to MC, and from these only 53% are available for harvesting, representing a timber volume of 75.5m3 ha-1. In 2007 some species as Carapa guianensis and Virola michelii had higher timber volume than before logging but other species as Astronium lecointei and Manilkara huberi had timber volume lower in 2007. In the end of the studing period, 28 years after logging, the timber volume was recovered but the harvested species did not recuperated their original basal area. Even with the high intensity of harvest occurred in the area but considering the timber volume in 2007 of those species that were not harvested in 1979, a second cutting mainly for those species could be admissible now.doi: 10.4336/2010.pfb.30.64.265
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spelling Evaluating potential timber species at the Tapajos National Forest in Para state, Brazil, 28 years after loggingAvaliação do potencial madeireiro na Floresta Nacional do Tapajós após 28 anos da exploração florestalAnnual incrementfirst cutting cycleforest recovering after logging.Incremento anualprimeiro ciclo de corterecuperação do estoque de madeiraThe stock of timber species was evaluated in a 64 ha experimental area 28 years after logging. The study was carried out in the Tapajos National Forest, state of Para, Brazilian Amazon. The study area was logged in 1979 and tree species were measured from 1981 to 2007 in 36 permanent sample plots. In 2007 tree species were classified in three groups: commercial timber (MC); potentially commercial timber (MP); non-commercial timber (MS). During that period all trees with DBH>5cm were measured. In 2007, 28 years after logging 9,859 trees from 239 species were recorded. Considering the species groups 35.5% belong to MC, and from these only 53% are available for harvesting, representing a timber volume of 75.5m3 ha-1. In 2007 some species as Carapa guianensis and Virola michelii had higher timber volume than before logging but other species as Astronium lecointei and Manilkara huberi had timber volume lower in 2007. In the end of the studing period, 28 years after logging, the timber volume was recovered but the harvested species did not recuperated their original basal area. Even with the high intensity of harvest occurred in the area but considering the timber volume in 2007 of those species that were not harvested in 1979, a second cutting mainly for those species could be admissible now.doi: 10.4336/2010.pfb.30.64.265A pesquisa foi conduzida em uma área experimental de 64 ha, localizada na Floresta Nacional do Tapajós, PA, Brasil. A área foi explorada em 1979 e monitorada por meio de 36 parcelas permanentes (9 ha). Com base nos dados da última medição, em 2007, as espécies foram classificadas em três categorias: arbóreas com valor comercial madeireiro (MC); com potencial comercial, sem reconhecido/consolidado valor de mercado madeireiro (MP); e espécies arbóreas sem valor comercial/industrial madeireiro (MS). Após 28  anos da exploração, foram registrados 9.859 indivíduos, com DAP ≥ 5 cm, distribuídos em 239 espécies. Nas três categorias representadas, 35,5% foram MC. Desse total, somente 53% apresentaram-se aptas para exploração, somando um volume de 75,5 m3 ha-1. Observou-se que algumas espécies  madeireiras foram favorecidas pela exploração em densidade e volume, como Carapa guianensis e Virola michelii, mas outras obtiveram o balanço negativo na maioria das espécies exploradas, destacando-se as espécies Astronium lecointei e Manilkara huberi. Por final, observou-se que a biomassa florestal foi recuperada, porém as espécies exploradas continuamcom balanço negativo. Conclui-se que o primeiro ciclo de corte é possível, principalmente devido ao estoque dominante de espécies não exploradas na primeira colheita.doi: 10.4336/2010.pfb.30.64.265Embrapa Florestas2010-10-27info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/144Pesquisa Florestal Brasileira; v. 30 n. 64 (2010): out./dez. Dinâmica e Manejo de Florestas Naturais; 265Pesquisa Florestal Brasileira; Vol. 30 No. 64 (2010): Dynamics and Management of Natural Forests; 2651983-26051809-3647reponame:Pesquisa Florestal Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/144/138Reis, Leonardo PequenoRuschel, Ademir RobertoCoelho, Amanda AlvesLuz, Adriana Santos daMartins-da-Silva, Regina Célia Vianainfo:eu-repo/semantics/openAccess2017-04-28T13:13:38Zoai:pfb.cnpf.embrapa.br/pfb:article/144Revistahttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/PUBhttps://pfb.cnpf.embrapa.br/pfb/index.php/pfb/oaipfb@embrapa.br || revista.pfb@gmail.com || patricia.mattos@embrapa.br1983-26051809-3647opendoar:2017-04-28T13:13:38Pesquisa Florestal Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Evaluating potential timber species at the Tapajos National Forest in Para state, Brazil, 28 years after logging
Avaliação do potencial madeireiro na Floresta Nacional do Tapajós após 28 anos da exploração florestal
title Evaluating potential timber species at the Tapajos National Forest in Para state, Brazil, 28 years after logging
spellingShingle Evaluating potential timber species at the Tapajos National Forest in Para state, Brazil, 28 years after logging
Reis, Leonardo Pequeno
Annual increment
first cutting cycle
forest recovering after logging.
Incremento anual
primeiro ciclo de corte
recuperação do estoque de madeira
title_short Evaluating potential timber species at the Tapajos National Forest in Para state, Brazil, 28 years after logging
title_full Evaluating potential timber species at the Tapajos National Forest in Para state, Brazil, 28 years after logging
title_fullStr Evaluating potential timber species at the Tapajos National Forest in Para state, Brazil, 28 years after logging
title_full_unstemmed Evaluating potential timber species at the Tapajos National Forest in Para state, Brazil, 28 years after logging
title_sort Evaluating potential timber species at the Tapajos National Forest in Para state, Brazil, 28 years after logging
author Reis, Leonardo Pequeno
author_facet Reis, Leonardo Pequeno
Ruschel, Ademir Roberto
Coelho, Amanda Alves
Luz, Adriana Santos da
Martins-da-Silva, Regina Célia Viana
author_role author
author2 Ruschel, Ademir Roberto
Coelho, Amanda Alves
Luz, Adriana Santos da
Martins-da-Silva, Regina Célia Viana
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Reis, Leonardo Pequeno
Ruschel, Ademir Roberto
Coelho, Amanda Alves
Luz, Adriana Santos da
Martins-da-Silva, Regina Célia Viana
dc.subject.por.fl_str_mv Annual increment
first cutting cycle
forest recovering after logging.
Incremento anual
primeiro ciclo de corte
recuperação do estoque de madeira
topic Annual increment
first cutting cycle
forest recovering after logging.
Incremento anual
primeiro ciclo de corte
recuperação do estoque de madeira
description The stock of timber species was evaluated in a 64 ha experimental area 28 years after logging. The study was carried out in the Tapajos National Forest, state of Para, Brazilian Amazon. The study area was logged in 1979 and tree species were measured from 1981 to 2007 in 36 permanent sample plots. In 2007 tree species were classified in three groups: commercial timber (MC); potentially commercial timber (MP); non-commercial timber (MS). During that period all trees with DBH>5cm were measured. In 2007, 28 years after logging 9,859 trees from 239 species were recorded. Considering the species groups 35.5% belong to MC, and from these only 53% are available for harvesting, representing a timber volume of 75.5m3 ha-1. In 2007 some species as Carapa guianensis and Virola michelii had higher timber volume than before logging but other species as Astronium lecointei and Manilkara huberi had timber volume lower in 2007. In the end of the studing period, 28 years after logging, the timber volume was recovered but the harvested species did not recuperated their original basal area. Even with the high intensity of harvest occurred in the area but considering the timber volume in 2007 of those species that were not harvested in 1979, a second cutting mainly for those species could be admissible now.doi: 10.4336/2010.pfb.30.64.265
publishDate 2010
dc.date.none.fl_str_mv 2010-10-27
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://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/144
url https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/144
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/144/138
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 Embrapa Florestas
publisher.none.fl_str_mv Embrapa Florestas
dc.source.none.fl_str_mv Pesquisa Florestal Brasileira; v. 30 n. 64 (2010): out./dez. Dinâmica e Manejo de Florestas Naturais; 265
Pesquisa Florestal Brasileira; Vol. 30 No. 64 (2010): Dynamics and Management of Natural Forests; 265
1983-2605
1809-3647
reponame:Pesquisa Florestal Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
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reponame_str Pesquisa Florestal Brasileira (Online)
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repository.name.fl_str_mv Pesquisa Florestal Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pfb@embrapa.br || revista.pfb@gmail.com || patricia.mattos@embrapa.br
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