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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental. |
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Data corrente: |
22/08/2006 |
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Data da última atualização: |
21/06/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PHILLIPS, P. D.; AZEVEDO, C. P. de; DEGEN, B.; THOMPSON, I. S.; SILVA, J. N. M.; GARDINGEN, P. R. van. |
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Afiliação: |
CELSO PAULO DE AZEVEDO, CPAA; JOSÉ NATALINO MACEDO SILVA, CPATU. |
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Título: |
An individual-based spatially explicit simulation model for strategic forest management planning in the eastern Amazon. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Ecological Modelling, v. 173, n. 4, p. 335-354, 2004. |
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Descrição Física: |
il. |
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DOI: |
http://dx.doi.org/10.1016/j.ecolmodel.2003.09.023 |
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Idioma: |
Inglês |
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Conteúdo: |
A model to simulate the ecological processes of tree growth, mortality and recruitment, and the processes of forest management, in the terra firme forests of the eastern Amazon is described. It is implemented within the SYMFOR (http://www.symfor.org) framework. It is based on measurements of all trees that have a diameter greater than 5 cm from experimental plots in the Jar?? Cellulose and Tapajós National Forest areas over a 16-year period. Ten species groups are used to describe the natural processes affecting tree behaviour. Growth rates are calculated for each species group using the tree diameter and a competition index. Mortality and recruitment are simulated as stochastic processes. Recruitment probability is based on the predicted growth rate of a hypothetical tree. Options exist to vary the human interaction with the forest reflecting forest management decisions, as for other SYMFOR models. Model evaluation compares the performance of the model with data describing forest recovery for 16 years following logging. The model was applied to simulate current forest management practice in the Brazilian Amazon, with 40 m3 ha?1 of timber extracted with a cutting cycle of 30 years. Results show that yields are sustained for three harvests following the first logging of primary forest, but that the composition of timber moves towards lightwooded species rather than hardwooded. The predicted size of extracted trees decreases and the number of trees extracted increases with successive harvests, leading to a prediction of increased costs and lower profits for the logging company despite constant yields. The standing volume of all trees just before harvest is reduced by 15% over 150 years, with pioneer species becoming increasingly prevalent in the stand. The model, in the SYMFOR framework, can be used to help understand the differences between alternative forest management strategies in the Brazilian Amazon. Such knowledge is required to improve forest management, regulation and certification, and help to conserve the worlds largest remaining tropical forest. MenosA model to simulate the ecological processes of tree growth, mortality and recruitment, and the processes of forest management, in the terra firme forests of the eastern Amazon is described. It is implemented within the SYMFOR (http://www.symfor.org) framework. It is based on measurements of all trees that have a diameter greater than 5 cm from experimental plots in the Jar?? Cellulose and Tapajós National Forest areas over a 16-year period. Ten species groups are used to describe the natural processes affecting tree behaviour. Growth rates are calculated for each species group using the tree diameter and a competition index. Mortality and recruitment are simulated as stochastic processes. Recruitment probability is based on the predicted growth rate of a hypothetical tree. Options exist to vary the human interaction with the forest reflecting forest management decisions, as for other SYMFOR models. Model evaluation compares the performance of the model with data describing forest recovery for 16 years following logging. The model was applied to simulate current forest management practice in the Brazilian Amazon, with 40 m3 ha?1 of timber extracted with a cutting cycle of 30 years. Results show that yields are sustained for three harvests following the first logging of primary forest, but that the composition of timber moves towards lightwooded species rather than hardwooded. The predicted size of extracted trees decreases and the number of trees extracted increases with suc... Mostrar Tudo |
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Palavras-Chave: |
Brasil; Certificação. |
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Thesagro: |
Árvore; Competição de Variedade; Floresta Tropical; Manejo. |
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Thesaurus Nal: |
Amazonia. |
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Categoria do assunto: |
--
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02968naa a2200289 a 4500
001 2092683
005 2018-06-21
008 2004 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1016/j.ecolmodel.2003.09.023$2DOI
100 1 $aPHILLIPS, P. D.
245 $aAn individual-based spatially explicit simulation model for strategic forest management planning in the eastern Amazon.$h[electronic resource]
260 $c2004
300 $cil.
520 $aA model to simulate the ecological processes of tree growth, mortality and recruitment, and the processes of forest management, in the terra firme forests of the eastern Amazon is described. It is implemented within the SYMFOR (http://www.symfor.org) framework. It is based on measurements of all trees that have a diameter greater than 5 cm from experimental plots in the Jar?? Cellulose and Tapajós National Forest areas over a 16-year period. Ten species groups are used to describe the natural processes affecting tree behaviour. Growth rates are calculated for each species group using the tree diameter and a competition index. Mortality and recruitment are simulated as stochastic processes. Recruitment probability is based on the predicted growth rate of a hypothetical tree. Options exist to vary the human interaction with the forest reflecting forest management decisions, as for other SYMFOR models. Model evaluation compares the performance of the model with data describing forest recovery for 16 years following logging. The model was applied to simulate current forest management practice in the Brazilian Amazon, with 40 m3 ha?1 of timber extracted with a cutting cycle of 30 years. Results show that yields are sustained for three harvests following the first logging of primary forest, but that the composition of timber moves towards lightwooded species rather than hardwooded. The predicted size of extracted trees decreases and the number of trees extracted increases with successive harvests, leading to a prediction of increased costs and lower profits for the logging company despite constant yields. The standing volume of all trees just before harvest is reduced by 15% over 150 years, with pioneer species becoming increasingly prevalent in the stand. The model, in the SYMFOR framework, can be used to help understand the differences between alternative forest management strategies in the Brazilian Amazon. Such knowledge is required to improve forest management, regulation and certification, and help to conserve the worlds largest remaining tropical forest.
650 $aAmazonia
650 $aÁrvore
650 $aCompetição de Variedade
650 $aFloresta Tropical
650 $aManejo
653 $aBrasil
653 $aCertificação
700 1 $aAZEVEDO, C. P. de
700 1 $aDEGEN, B.
700 1 $aTHOMPSON, I. S.
700 1 $aSILVA, J. N. M.
700 1 $aGARDINGEN, P. R. van.
773 $tEcological Modelling$gv. 173, n. 4, p. 335-354, 2004.
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Registro original: |
Embrapa Amazônia Ocidental (CPAA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
01/12/2016 |
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Data da última atualização: |
23/05/2022 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
OLIVEIRA, D. A. de; LOBATO, A. T.; BASTOS, A. J. R.; FERNANDES, J. R. Q.; RODRIGUES, J. D. B.; ALVES, R. M. |
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Afiliação: |
Danyllo Amaral de Oliveira, GRADUANDO UFRA; Amanda Teixeira Lobato, GRADUANDA UFRA; Abel Jamir Ribeiro Bastos, GRADUANDO UFRA; José Raimundo Quadros Fernandes, GRADUANDO UFRA; Jardel Diego Barbosa Rodrigues, MESTRANDO FCAV/UNESP; RAFAEL MOYSES ALVES, CPATU. |
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Título: |
Avaliação de produção e ocorrência de vassoura de bruxa em progênies de cupuaçu (Theobroma grandiflorum (Wild. ex Spring) Schumann) no município de Terra Alta - PA. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
In: SIMPÓSIO DE FRUTICULTURA SUSTENTÁVEL NO NORDESTE PARAENSE, 2., 2016, Tomé-Açu. Anais... Tomé-Açu: UFRA, 2016. |
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Páginas: |
p. 23-25. |
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Idioma: |
Português |
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Conteúdo: |
O presente trabalho teve como objetivo analisar a produção e a resistência à vassoura-de-bruxa dentre as progênies de cupuaçu localizadas em uma fazenda no município de Terra Alta ? PA, onde foram implantadas 25 progênies em 5 blocos e 3 plantas por bloco. Foram coletados os dados durante 8 anos, sendo esses submetidos a uma ANOVA e depois ao teste de média de Scoot-Knoot. A progênie 69 foi a que apresentou maior produção de fruto com media 37,2 frutos e resistência a vassoura-de-bruxa, pois não apresentou a doença no período estudado. |
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Palavras-Chave: |
Cupuaçuzeiro; Melhoramento genético. |
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Thesagro: |
Crinipellis Perniciosa. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/151018/1/p23-Rafael.pdf
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Marc: |
LEADER 01376nam a2200217 a 4500
001 2057695
005 2022-05-23
008 2016 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, D. A. de
245 $aAvaliação de produção e ocorrência de vassoura de bruxa em progênies de cupuaçu (Theobroma grandiflorum (Wild. ex Spring) Schumann) no município de Terra Alta - PA.$h[electronic resource]
260 $aIn: SIMPÓSIO DE FRUTICULTURA SUSTENTÁVEL NO NORDESTE PARAENSE, 2., 2016, Tomé-Açu. Anais... Tomé-Açu: UFRA$c2016
300 $ap. 23-25.
520 $aO presente trabalho teve como objetivo analisar a produção e a resistência à vassoura-de-bruxa dentre as progênies de cupuaçu localizadas em uma fazenda no município de Terra Alta ? PA, onde foram implantadas 25 progênies em 5 blocos e 3 plantas por bloco. Foram coletados os dados durante 8 anos, sendo esses submetidos a uma ANOVA e depois ao teste de média de Scoot-Knoot. A progênie 69 foi a que apresentou maior produção de fruto com media 37,2 frutos e resistência a vassoura-de-bruxa, pois não apresentou a doença no período estudado.
650 $aCrinipellis Perniciosa
653 $aCupuaçuzeiro
653 $aMelhoramento genético
700 1 $aLOBATO, A. T.
700 1 $aBASTOS, A. J. R.
700 1 $aFERNANDES, J. R. Q.
700 1 $aRODRIGUES, J. D. B.
700 1 $aALVES, R. M.
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