Pre-Logging liana cutting reduces liana regeneration in logging gaps in the Eastern Brazilian Amazon.

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Título Pre-Logging liana cutting reduces liana regeneration in logging gaps in the Eastern Brazilian Amazon.
Autores Jeffrey J. Gerwing

Christopher Uhl

Ano de publicação 2002
DOI https://doi.org/10.1890/1051-0761(2002)012[1642:PLLCRL]2.0.CO;2

GERWING, J.; UHL, C. Pre-Logging Liana Cutting Reduces Liana Regeneration in Logging Gaps in the Eastern Brazilian AmazonEcological Applications, [S. l.], v. 12, n. 6, p. 1642-1651, 2002. Publicado por: Ecological Society of America.

Abstract

The cutting of all lianas prior to logging is a reduced-impact logging technique that is predicted to reduce liana proliferation in logging gaps. This study compares liana abundance and species composition in gaps created during conventional and reduced-impact logging in a forest of the eastern Brazilian Amazon. Logging treatments were conducted in side-by-side plots. Shortly following logging, 50-m2 plots were located in the approximate centers of four single treefall and four multiple treefall gaps in each logging area. Six years following logging, there were ;40% fewer climbing lianas in reduced impact gaps than in conventional logging gaps. In both logging areas multiple tree gaps had higher liana densities and a higher proportion of lianas recruiting from seed than single tree gaps, where sprouts from cut or fallen lianas were more common. The mean number of liana species encountered per plot did not differ among treatments nor was there any significant difference in species diversity (Fisher’s a) between logging treatments. The results of this study suggest that pre-logging liana cutting can significantly reduce post logging liana proliferation in gaps, with no discernible negative impact on the species diversity of regenerating lianas.

This post was published on 5 de junho de 2002

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