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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: |
23/01/2017 |
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Data da última atualização: |
20/05/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SCHWARTZ, G.; FALKOWSKI, V.; PEÑA-CLAROS, M. |
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Afiliação: |
GUSTAVO SCHWARTZ, CPATU; Vanessa Falkowski, Forest Ecology and Forest Management Group, Wageningen University and Research; Marielos Peña-Claros, Forest Ecology and Forest Management Group, Wageningen University and Research. |
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Título: |
Natural regeneration of tree species in the Eastern Amazon: Short-term responses after reduced-impact logging. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Forest Ecology and Management, v. 385, p. 97-103, Feb. 2017. |
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DOI: |
http://dx.doi.org.ez103.periodicos.capes.gov.br/10.1016/j.foreco.2016.11.036 |
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Idioma: |
Inglês |
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Conteúdo: |
Forest management for timber production has improved in tropical forests with the adoption of a polycyclic silvicultural system (PSS) where harvesting is carried out using reduced-impact logging (RIL). In this study, the natural regeneration of forests harvested under RIL restrictions was assessed in three different sites of the Eastern Amazon two years after logging. A total of 7987 seedlings and saplings belonging to 197 species were sampled through 951 plots of 2 × 2 m in 11 different natural and logging created environments. Light-demanding commercial species presented their highest density in logging environments such as logging gaps, skid trails, and borders of log decks. Shade-tolerant commercial species were more common in natural and logging gaps. Regarding the densities of harvested species in the three study sites, only 26.3% were represented by ?5 individuals and 28.1% were completely absent in the surveys two years after logging. These results suggest a lack of natural regeneration of the current commercial tree species in the Eastern Amazon. Therefore, post-harvesting silvicultural treatments as enrichment planting and the tending of the natural regeneration in logging gaps should be applied to ensure the regeneration of these species. |
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Palavras-Chave: |
Espécie florestal; Sistemas silviculturais. |
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Thesagro: |
Conservação; Regeneração. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 01982naa a2200205 a 4500
001 2061485
005 2022-05-20
008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org.ez103.periodicos.capes.gov.br/10.1016/j.foreco.2016.11.036$2DOI
100 1 $aSCHWARTZ, G.
245 $aNatural regeneration of tree species in the Eastern Amazon$bShort-term responses after reduced-impact logging.$h[electronic resource]
260 $c2017
520 $aForest management for timber production has improved in tropical forests with the adoption of a polycyclic silvicultural system (PSS) where harvesting is carried out using reduced-impact logging (RIL). In this study, the natural regeneration of forests harvested under RIL restrictions was assessed in three different sites of the Eastern Amazon two years after logging. A total of 7987 seedlings and saplings belonging to 197 species were sampled through 951 plots of 2 × 2 m in 11 different natural and logging created environments. Light-demanding commercial species presented their highest density in logging environments such as logging gaps, skid trails, and borders of log decks. Shade-tolerant commercial species were more common in natural and logging gaps. Regarding the densities of harvested species in the three study sites, only 26.3% were represented by ?5 individuals and 28.1% were completely absent in the surveys two years after logging. These results suggest a lack of natural regeneration of the current commercial tree species in the Eastern Amazon. Therefore, post-harvesting silvicultural treatments as enrichment planting and the tending of the natural regeneration in logging gaps should be applied to ensure the regeneration of these species.
650 $aConservação
650 $aRegeneração
653 $aEspécie florestal
653 $aSistemas silviculturais
700 1 $aFALKOWSKI, V.
700 1 $aPEÑA-CLAROS, M.
773 $tForest Ecology and Management$gv. 385, p. 97-103, Feb. 2017.
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