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Registro Completo |
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Biblioteca(s): |
Embrapa Acre; Embrapa Florestas. |
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Data corrente: |
06/03/2018 |
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Data da última atualização: |
17/05/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FIGUEIREDO, E. O.; OLIVEIRA, M. V. N. d'; FEARNSIDE, P. M.; BRAZ, E. M.; PAPA, D. de A. |
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Afiliação: |
EVANDRO ORFANO FIGUEIREDO, CPAF-Acre; MARCUS VINICIO NEVES D OLIVEIRA, CPAF-Acre; Philip Martin Fearnside, Instituto Nacional de Pesquisas da Amazônia (Inpa); EVALDO MUNOZ BRAZ, CNPF; DANIEL DE ALMEIDA PAPA, CPAF-Acre. |
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Título: |
Equations to estimate tree gaps in a precision forest management area the Amazon based on crown morphometry. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Revista Árvore, Viçosa, v. 41, n. 3, e410313, 2017. |
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DOI: |
10.1590/1806-90882017000300013 |
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Idioma: |
Inglês |
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Conteúdo: |
The precision forest management technique still has much to be improved with the incorporation of forest biometric techniques and forest profiling with airborne LIDAR. When planning the cutting of a tree in forest management, the volume to be produced for industry is estimated but not the area impacted by removal of the tree. The objective of the present study was to develop equations for the Amazon rainforest that are able to estimate the impact area of gaps from harvesting individual dominant and co-dominant trees based on the canopy morphology obtained through forest profiling. On two separate occasions profiles were made in an annual forest-production unit in the Antimary State Forest (FEA) in the state of Acre, Brazil. The first was done a few days before the start of logging in 2010 and the second was done after completion of harvest activities in 2011. With field measurements and processing of the cloud of LIDAR points, dendrometric and morphometric variables were obtained for the canopy in order to develop equations for estimating gap areas. After evaluation of the explanatory variables with the highest correlation with gap area, the method used considered all possible models and included 2-4 parameters. The explanatory variables that best represent the impact of clearings are volume of the crown (VCop) and crown-projection area (APC). Ten equations were selected, of which two were chosen for use; these had R2 aj > 75% and Syx <23%. The good fit of the equations demonstrates the potential use of LIDAR to obtain information for estimating in advance the gaps in the forest cover that will be created from harvesting trees of different sizes. MenosThe precision forest management technique still has much to be improved with the incorporation of forest biometric techniques and forest profiling with airborne LIDAR. When planning the cutting of a tree in forest management, the volume to be produced for industry is estimated but not the area impacted by removal of the tree. The objective of the present study was to develop equations for the Amazon rainforest that are able to estimate the impact area of gaps from harvesting individual dominant and co-dominant trees based on the canopy morphology obtained through forest profiling. On two separate occasions profiles were made in an annual forest-production unit in the Antimary State Forest (FEA) in the state of Acre, Brazil. The first was done a few days before the start of logging in 2010 and the second was done after completion of harvest activities in 2011. With field measurements and processing of the cloud of LIDAR points, dendrometric and morphometric variables were obtained for the canopy in order to develop equations for estimating gap areas. After evaluation of the explanatory variables with the highest correlation with gap area, the method used considered all possible models and included 2-4 parameters. The explanatory variables that best represent the impact of clearings are volume of the crown (VCop) and crown-projection area (APC). Ten equations were selected, of which two were chosen for use; these had R2 aj > 75% and Syx <23%. The good fit of the equations demo... Mostrar Tudo |
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Palavras-Chave: |
Acre; Amazonia Occidental; Amazônia Ocidental; Análisis de regresión; Análisis estadístico; Bosques tropicales; Bujari (AC); Clareira; Copa; Copa de los árboles; Espacios vacíos en el dosel; Floresta Estadual do Antimary (AC); Manejo de precisão; Manejo forestal; Morfometría; Perfilamento florestal; Sena Madureira (AC); Western Amazon. |
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Thesagro: |
Administração florestal; Análise estatística; Biometria; Floresta tropical; Raio laser; Regressão linear. |
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Thesaurus Nal: |
Biometry; Canopy gaps; Forest management; Lásers; Lidar; Morphometry; Regression analysis; Statistical analysis; Tree crown; Tropical forests. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/173598/1/26520.pdf
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Marc: |
LEADER 03384naa a2200589 a 4500
001 2109106
005 2019-05-17
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1590/1806-90882017000300013$2DOI
100 1 $aFIGUEIREDO, E. O.
245 $aEquations to estimate tree gaps in a precision forest management area the Amazon based on crown morphometry.$h[electronic resource]
260 $c2017
520 $aThe precision forest management technique still has much to be improved with the incorporation of forest biometric techniques and forest profiling with airborne LIDAR. When planning the cutting of a tree in forest management, the volume to be produced for industry is estimated but not the area impacted by removal of the tree. The objective of the present study was to develop equations for the Amazon rainforest that are able to estimate the impact area of gaps from harvesting individual dominant and co-dominant trees based on the canopy morphology obtained through forest profiling. On two separate occasions profiles were made in an annual forest-production unit in the Antimary State Forest (FEA) in the state of Acre, Brazil. The first was done a few days before the start of logging in 2010 and the second was done after completion of harvest activities in 2011. With field measurements and processing of the cloud of LIDAR points, dendrometric and morphometric variables were obtained for the canopy in order to develop equations for estimating gap areas. After evaluation of the explanatory variables with the highest correlation with gap area, the method used considered all possible models and included 2-4 parameters. The explanatory variables that best represent the impact of clearings are volume of the crown (VCop) and crown-projection area (APC). Ten equations were selected, of which two were chosen for use; these had R2 aj > 75% and Syx <23%. The good fit of the equations demonstrates the potential use of LIDAR to obtain information for estimating in advance the gaps in the forest cover that will be created from harvesting trees of different sizes.
650 $aBiometry
650 $aCanopy gaps
650 $aForest management
650 $aLásers
650 $aLidar
650 $aMorphometry
650 $aRegression analysis
650 $aStatistical analysis
650 $aTree crown
650 $aTropical forests
650 $aAdministração florestal
650 $aAnálise estatística
650 $aBiometria
650 $aFloresta tropical
650 $aRaio laser
650 $aRegressão linear
653 $aAcre
653 $aAmazonia Occidental
653 $aAmazônia Ocidental
653 $aAnálisis de regresión
653 $aAnálisis estadístico
653 $aBosques tropicales
653 $aBujari (AC)
653 $aClareira
653 $aCopa
653 $aCopa de los árboles
653 $aEspacios vacíos en el dosel
653 $aFloresta Estadual do Antimary (AC)
653 $aManejo de precisão
653 $aManejo forestal
653 $aMorfometría
653 $aPerfilamento florestal
653 $aSena Madureira (AC)
653 $aWestern Amazon
700 1 $aOLIVEIRA, M. V. N. d'
700 1 $aFEARNSIDE, P. M.
700 1 $aBRAZ, E. M.
700 1 $aPAPA, D. de A.
773 $tRevista Árvore, Viçosa$gv. 41, n. 3, e410313, 2017.
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Registro original: |
Embrapa Florestas (CNPF) |
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| Registros recuperados : 27 | |
| 21. |  | BRAZ, E. M.; THAINES, F.; MATTOS, P. P. de; OLIVEIRA, L. C. de; RIBAS, L. A.; OLIVEIRA, M. V. N. D.; THAINES, A. A. R. Management of Amburana cearensis var. acreana in Acre state, Brazil. Ciência Florestal, Santa Maria, v. 24, n. 2, p. 455-463, abr./jun. 2014.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Acre; Embrapa Florestas. |
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| 22. | | FIGUEIREDO, E. O.; LIMA, Q. S. de; BRAZ, E. M.; OLIVEIRA, M. V. N. D. d'; OLIVEIRA, L. C. de; SA, C. P. de; PAPA, D. de A. Monitoramento do arraste de toras pelo MODEFLORA em Florestas tropicais submetidas a técnicas de manejo de precisão. In: SIMPÓSIO BRASIL-ALEMANHA, 4., 2009, Curitiba. Desenvolvimento sustentável: resumos. Curitiba: Centro de Cooperação Internacional Brasil-Alemanha: UFPR, 2009. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Florestas. |
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| 23. | | BRAZ, E. M.; CANETTI, A.; MATTOS, P. P. de; OLIVEIRA, M. V. N. d'; THAINES, F.; OLIVEIRA, M. F.; GARRASTAZU, M. C. Ocorrência e crescimento de Handroanthus spp. na Amazônia, nos estados de Mato Grosso e Acre, como subsídio para a elaboração de normativas de manejo florestal e avaliação de risco de extinção. Colombo: Embrapa Florestas, 2022. 79 p. (Embrapa Florestas. Documentos, 370). Selo ODS 6, 8, 12, 15 e 17.| Biblioteca(s): Embrapa Acre; Embrapa Florestas. |
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| 24. | | THAINES, F.; BRAZ, E. M.; MATTOS, P. P. de; OLIVEIRA, M. V. N. D.; RIBAS, L. A.; THAINES, A. A. R. Occurence and pressure of logging through fores managment in Acre State, Brazil. The International Forestry Review, v. 12, n. 5, p. 111, 2010. Edição dos abstracts do 23º IUFRO World Congress.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Florestas. |
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| 25. | | BRAZ, E. M.; CANETTI, A.; MATTOS, P. P. de; OLIVEIRA, M. V. N. d'; THAINES, F.; OLIVEIRA, M. F.; GARRASTAZU, M. C. Occurrence and growth of Handroanthus spp. in the Amazon region in the states of Mato Grosso and Acre, to assist in developing standards for forest management and in assessing extinction risk. Colombo: Embrapa Florestas, 2022. 78 p. (Embrapa Florestas. Documentos, 375). Selo ODS 6, 8, 12, 15 e 17.| Biblioteca(s): Embrapa Florestas. |
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| 26. | | OLIVEIRA, M. V. N. d'.; SWAINE, M. D.; BURSLEM, D. F. R. P.; BRAZ, E. M.; ARAUJO, H. J. B. de. Sustainable forest management for smallholder farmers in the Brazilian Amazon. In: PALM, C. A.; VOSTI, S. A.; SANCHEZ, P. A.; ERICKSEN, P. J. (ed.). Slash-and-burn agriculture: the search for alternatives. New York: Columbia University Press, 2005. cap. 8, p. 199-221.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Acre; Embrapa Florestas. |
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| 27. | | BRAZ, E. M.; PASSOS, C. A. M.; CHICHORRO, F.; RIBAS, L. A.; MATTOS, P. P. de; OLIVEIRA, E. B. de; OLIVEIRA, L. C. de; THAINES, F.; OLIVEIRA, M. V. N. d'. Colheita de precisão para o manejo das florestas naturais da Amazônia brasileira. In: SIMPÓSIO BRASILEIRO SOBRE COLHEITA E TRANSPORTE FLORESTAL, 7., 2005, Vitória. [Anais]. [S.l.]: Sociedade de Investigações Florestais, 2005. p. 381-395. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Acre; Embrapa Florestas. |
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| Registros recuperados : 27 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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