Data/hora: 24/05/2024 16:07:04

Biblioteca(s): | Embrapa Amazônia Oriental.
Data corrente: | 23/01/2017
Data da última atualização: | 20/05/2022
Autoria: | SCHWARTZ, G.; FALKOWSKI, V.; PEÑA-CLAROS, M.
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.
Título: | Natural regeneration of tree species in the Eastern Amazon: Short-term responses after reduced-impact logging.
Ano de publicação: | 2017
Fonte/Imprenta: | Forest Ecology and Management, v. 385, p. 97-103, Feb. 2017.
DOI: | http://dx.doi.org.ez103.periodicos.capes.gov.br/10.1016/j.foreco.2016.11.036
Idioma: | Inglês
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.
Palavras-Chave: | Espécie florestal; Sistemas silviculturais.
Thesagro: | Conservação; Regeneração.
Categoria do assunto: | K Ciência Florestal e Produtos de Origem Vegetal
Registro original: | Embrapa Amazônia Oriental (CPATU)
Exemplares: | CPATU - (53224-1) - UPC - AP - DD -  -  -  - DIS