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Type: Artigo de Periódico
Title: Liana Avoidance Strategies In Trees: Combined Attributes Increase Efficiency
Author: Sfair
JC; Rochelle
ALC; Rezende
AA; Van Melts
J; Burnham
RJ; Weiser
VD; Martins
Abstract: We investigated the importance of specific tree attributes: height, exfoliating bark, smooth bark, and fast growth to determine whether single or multiple attributes were more important in liana colonization on trees. Specifically we asked: Does the presence of multiple liana-shedding attributes in trees reduce the number of lianas on a tree? We sampled the number of lianas on each tree and recorded tree attributes in three ecologically distinct sites in southeast Brazil. Data were analyzed using model selection by Akaike Information Criterion, in which the number of lianas on a tree was the response variable and tree attributes were explanatory variables. We found that a combination of two attributes in trees was sufficient to deter liana infestation, whereas only one attribute had zero probability of deterring lianas across all sites. Taller trees bear more lianas, probably because of their well-lit canopies, but tree height was always associated with other attributes: slow growth in rain forest, exfoliating bark in seasonal forest, and rough bark in savanna woodland. We conclude that the presence of two attributes is sufficient to reduce liana infestation on a tree.
Subject: Akaike Information Criterion
Liana Infestation
Rain Forest
Seasonal Tropical Forest
Citation: Tropical Ecology. INT SOC TROPICAL ECOLOGY, n. 57, n. 3, p. 559 - 566.
Rights: fechado
Identifier DOI: 
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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