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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 Oriental. |
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Data corrente: |
10/09/2018 |
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Data da última atualização: |
10/09/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
DIONISIO, L. F. S.; SCHWARTZ, G.; LOPES, J. do C. A.; OLIVEIRA, F. de A. |
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Afiliação: |
Luiz Fernandes Silva Dionisio, UFRA; GUSTAVO SCHWARTZ, CPATU; JOSE DO CARMO ALVES LOPES, CPATU; Francisco de Assis Oliveira, UFRA. |
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Título: |
Growth, mortality, and recruitment of tree species in an Amazonian rainforest over 13 years of reduced impact logging. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Forest Ecology and Management, v. 430, p. 150-156, Dec. 2018. |
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DOI: |
10.1016/j.foreco.2018.08.024 |
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Idioma: |
Inglês |
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Conteúdo: |
Forest harvesting causes disturbances in the forest, affecting the dynamics of tree species. In this study, growth, mortality, and recruitment of trees 45cm DBH were assessed in different forests logged along 13 years (2002?2015) in the Eastern Amazon. The data were collected in a control unlogged forest and in four 100-ha working units divided into 20 plots of 5 ha (total of 100 plots in 500 ha sampled) and inventoried at 100% one year before harvesting and again in 2015. A total of 49 species were analyzed in the study. The highest mortality rate occurred in the first five years after harvesting (5.6%), with a reduction from the seventh year (3.2% year -1), a period in which recruitment rate significantly increased for species from all ecological groups. Harvesting reduced both the number of individuals and species in the first five years after logging. Logged areas presented the highest growth rates five and seven years and only stabilized eleven years after logging. Within the range of 3?40m3 ha-1 of logging intensity no differences were observed in growth rates of remaining trees 45cm DBH. Pioneer, light-demanding, and shade-tolerant species presented higher growth rates in the first five years after logging. From seven years after harvesting, light-demanding presented a higher growth when compared to the shade-tolerant species. Larger diameter classes presented the highest relative growth rates (RGR). All diameter classes increased RGR up to 11 years after logging. |
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Thesagro: |
Crescimento; Densidade da Madeira; Diâmetro; Extração da Madeira; Floresta Tropical; Madeira; Mortalidade; Rendimento. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02317naa a2200265 a 4500
001 2095246
005 2018-09-10
008 2018 bl uuuu u00u1 u #d
024 7 $a10.1016/j.foreco.2018.08.024$2DOI
100 1 $aDIONISIO, L. F. S.
245 $aGrowth, mortality, and recruitment of tree species in an Amazonian rainforest over 13 years of reduced impact logging.$h[electronic resource]
260 $c2018
520 $aForest harvesting causes disturbances in the forest, affecting the dynamics of tree species. In this study, growth, mortality, and recruitment of trees 45cm DBH were assessed in different forests logged along 13 years (2002?2015) in the Eastern Amazon. The data were collected in a control unlogged forest and in four 100-ha working units divided into 20 plots of 5 ha (total of 100 plots in 500 ha sampled) and inventoried at 100% one year before harvesting and again in 2015. A total of 49 species were analyzed in the study. The highest mortality rate occurred in the first five years after harvesting (5.6%), with a reduction from the seventh year (3.2% year -1), a period in which recruitment rate significantly increased for species from all ecological groups. Harvesting reduced both the number of individuals and species in the first five years after logging. Logged areas presented the highest growth rates five and seven years and only stabilized eleven years after logging. Within the range of 3?40m3 ha-1 of logging intensity no differences were observed in growth rates of remaining trees 45cm DBH. Pioneer, light-demanding, and shade-tolerant species presented higher growth rates in the first five years after logging. From seven years after harvesting, light-demanding presented a higher growth when compared to the shade-tolerant species. Larger diameter classes presented the highest relative growth rates (RGR). All diameter classes increased RGR up to 11 years after logging.
650 $aCrescimento
650 $aDensidade da Madeira
650 $aDiâmetro
650 $aExtração da Madeira
650 $aFloresta Tropical
650 $aMadeira
650 $aMortalidade
650 $aRendimento
700 1 $aSCHWARTZ, G.
700 1 $aLOPES, J. do C. A.
700 1 $aOLIVEIRA, F. de A.
773 $tForest Ecology and Management$gv. 430, p. 150-156, Dec. 2018.
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