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| 148. | | SANTOS, J. C. dos; OLIVEIRA, M. V. N. d'.; SÁ, C. P. de; MENEZES, R. S. de; FRANKE, I. L.; BORGES, K. H.; MUNIZ, P. S. B. Demandas tecnológicas para o sistema produtivo de madeira para móveis no estado do Acre. Rio Branco, AC: Embrapa Acre, 2001. 17 p. (Embrapa Acre. Documentos, 73).| Biblioteca(s): Embrapa Acre; Embrapa Solos; Embrapa Unidades Centrais. |
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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. |
Registro Completo
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Biblioteca(s): |
Embrapa Acre; Embrapa Amazônia Oriental. |
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Data corrente: |
11/01/2021 |
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Data da última atualização: |
29/11/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
OLIVEIRA, E. K. B. de; REZENDE, A. V.; FREITAS, L. J. M. de; MURTA JÚNIOR, L. S.; CASTRO, R. V. O.; OLIVEIRA, M. V. N. d'; BARROS, Q. S. |
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Afiliação: |
ERICA KAROLINA BARROS DE OLIVEIRA; ALBA VALÉRIA REZENDE, UNIVERSIDADE DE BRASÍLIA; LUCAS JOSE MAZZEI DE FREITAS, CPATU; LEONIDAS SOARES MURTA JÚNIOR, INSTITUTO ESTADUAL DE FLORESTAS; RENATO VINÍCIUS OLIVEIRA CASTRO, UNIVERSIDADE DE BRASÍLIA; MARCUS VINICIO NEVES D OLIVEIRA, CPAF-AC; QUÉTILA SOUZA BARROS, UNIVERSIDADE FEDERAL DO ESPÍRITO SANTO. |
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Título: |
Competition indices after reduced impact logging in the Brazilian Amazon. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Journal of Environmental Management, v. 281, 111898, Mar. 2021. |
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DOI: |
https://doi.org/10.1016/j.jenvman.2020.111898 |
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Idioma: |
Inglês |
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Conteúdo: |
Competition for resources can affect growth and increase mortality in forest stands. The effects of this process are little known, especially in areas subjected to forest management which show distinct growth dynamics when compared to unmanaged natural areas. This study aimed to estimate, evaluate and select the best fit competition indices (CI) for individual trees in a managed forest in the eastern Amazon. The data used originated from 18 permanent plots of 1 ha each, which were monitored for 12 years after Reduced Impact Logging (RIL). For the competition analysis, 23 indices were tested. CIs were evaluated based on graphical analyses and linear correlation coefficients(r)between each index and variables, basal area growth AG, probability of mortality(Pm), and post-logging period (PLP). In addition, the partial F-test was applied to verify how well the calculated CIs explain the variations observed in AGandP(m). The distance-independent index for BAL (Basal Area Larger) performed the best. For the distance-dependent and semi-independent indices, the best interactions with the variables tested occurred in radii of 15 and 20 m away from the object tree. The largest trees presented higher values of AG. While P(m) was similar among the three tree classes, larger trees had a slightly higher P(m)due to thier low density of individuals. The results obtained in this study may help to include CIs in growth and production models at the individual tree level in tropical rainforests, especially in those managed in the Brazilian Amazon. MenosCompetition for resources can affect growth and increase mortality in forest stands. The effects of this process are little known, especially in areas subjected to forest management which show distinct growth dynamics when compared to unmanaged natural areas. This study aimed to estimate, evaluate and select the best fit competition indices (CI) for individual trees in a managed forest in the eastern Amazon. The data used originated from 18 permanent plots of 1 ha each, which were monitored for 12 years after Reduced Impact Logging (RIL). For the competition analysis, 23 indices were tested. CIs were evaluated based on graphical analyses and linear correlation coefficients(r)between each index and variables, basal area growth AG, probability of mortality(Pm), and post-logging period (PLP). In addition, the partial F-test was applied to verify how well the calculated CIs explain the variations observed in AGandP(m). The distance-independent index for BAL (Basal Area Larger) performed the best. For the distance-dependent and semi-independent indices, the best interactions with the variables tested occurred in radii of 15 and 20 m away from the object tree. The largest trees presented higher values of AG. While P(m) was similar among the three tree classes, larger trees had a slightly higher P(m)due to thier low density of individuals. The results obtained in this study may help to include CIs in growth and production models at the individual tree level in tropical rainforests,... Mostrar Tudo |
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Palavras-Chave: |
Amazon forest; Amazônia Oriental; Basal area growth; Bosque tropical húmedo; CKBV Florestal Ltda; Competición vegetal; Crecimiento de planta; Crescimento vegetal; Eastern Amazonia; Explotación forestal; Fazenda Rio Capim; Forest harvesting; Madera tropical; Manejo florestal; Mortalidad de los árboles; Pará; Paragominas (PA). |
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Thesagro: |
Área Basal; Árvore; Árvore Florestal; Competição Biológica; Crescimento; Exploração Florestal; Mortalidade. |
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Thesaurus NAL: |
Forest management; Logging; Plant competition; Plant growth; Tree mortality; Tropical rain forests; Tropical wood. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 03245naa a2200577 a 4500
001 2158887
005 2023-11-29
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.jenvman.2020.111898$2DOI
100 1 $aOLIVEIRA, E. K. B. de
245 $aCompetition indices after reduced impact logging in the Brazilian Amazon.$h[electronic resource]
260 $c2021
520 $aCompetition for resources can affect growth and increase mortality in forest stands. The effects of this process are little known, especially in areas subjected to forest management which show distinct growth dynamics when compared to unmanaged natural areas. This study aimed to estimate, evaluate and select the best fit competition indices (CI) for individual trees in a managed forest in the eastern Amazon. The data used originated from 18 permanent plots of 1 ha each, which were monitored for 12 years after Reduced Impact Logging (RIL). For the competition analysis, 23 indices were tested. CIs were evaluated based on graphical analyses and linear correlation coefficients(r)between each index and variables, basal area growth AG, probability of mortality(Pm), and post-logging period (PLP). In addition, the partial F-test was applied to verify how well the calculated CIs explain the variations observed in AGandP(m). The distance-independent index for BAL (Basal Area Larger) performed the best. For the distance-dependent and semi-independent indices, the best interactions with the variables tested occurred in radii of 15 and 20 m away from the object tree. The largest trees presented higher values of AG. While P(m) was similar among the three tree classes, larger trees had a slightly higher P(m)due to thier low density of individuals. The results obtained in this study may help to include CIs in growth and production models at the individual tree level in tropical rainforests, especially in those managed in the Brazilian Amazon.
650 $aForest management
650 $aLogging
650 $aPlant competition
650 $aPlant growth
650 $aTree mortality
650 $aTropical rain forests
650 $aTropical wood
650 $aÁrea Basal
650 $aÁrvore
650 $aÁrvore Florestal
650 $aCompetição Biológica
650 $aCrescimento
650 $aExploração Florestal
650 $aMortalidade
653 $aAmazon forest
653 $aAmazônia Oriental
653 $aBasal area growth
653 $aBosque tropical húmedo
653 $aCKBV Florestal Ltda
653 $aCompetición vegetal
653 $aCrecimiento de planta
653 $aCrescimento vegetal
653 $aEastern Amazonia
653 $aExplotación forestal
653 $aFazenda Rio Capim
653 $aForest harvesting
653 $aMadera tropical
653 $aManejo florestal
653 $aMortalidad de los árboles
653 $aPará
653 $aParagominas (PA)
700 1 $aREZENDE, A. V.
700 1 $aFREITAS, L. J. M. de
700 1 $aMURTA JÚNIOR, L. S.
700 1 $aCASTRO, R. V. O.
700 1 $aOLIVEIRA, M. V. N. d'
700 1 $aBARROS, Q. S.
773 $tJournal of Environmental Management$gv. 281, 111898, Mar. 2021.
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