2017
DOI: 10.1590/2175-7860201768201
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Variação de atributos funcionais do componente arbóreo em função de gradientes edáficos em uma floresta nebular no sul do Brasil

Abstract: Resumo Objetivou-se investigar como a heterogeneidade ambiental influencia as variações espaciais dos atributos funcionais e a diversidade funcional do componente arbóreo em uma floresta nebular no sul do Brasil. Foram selecionadas as 19 espécies arbóreas mais abundantes identificadas em um inventário realizado em um fragmento florestal. As variáveis ambientais utilizadas foram obtidas de um trabalho prévio realizado na mesma área. Dessas espécies, foram obtidas a densidade da madeira, área foliar, área foliar… Show more

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Cited by 10 publications
(9 citation statements)
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References 39 publications
(40 reference statements)
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“…Estas diferenças denotam a existência de uma elevada heterogeneidade funcional das espécies mais representativas da área, o que sugere que as mesmas apresentam estratégias ecológicas distintas. Este padrão já (MISSIO et al, 2017;SOBOLESKI et al, 2017).…”
Section: Resultsunclassified
“…Estas diferenças denotam a existência de uma elevada heterogeneidade funcional das espécies mais representativas da área, o que sugere que as mesmas apresentam estratégias ecológicas distintas. Este padrão já (MISSIO et al, 2017;SOBOLESKI et al, 2017).…”
Section: Resultsunclassified
“…The most representative species sampled together with their functional attributes demonstrated how the composition of an arboreal community is formed over time. In view of their ecological strategies and interactions with local conditions, species have mechanisms to establish, develop and maintain their population in diff erent environmental conditions (Soboleski et al, 2017;Missio et al, 2017;Mason et al, 2005). This is due to the variation in the functional attributes of each plant, as well as the phenotypic plasticity between them (Scheiner et al, 2016) which present a trade-off relationship between theirstrategies given the conditions imposed by the environment (Baraloto et al, 2005) such as variations in leaf size or photosynthetic capacity due to investment in biomass, both inversely proportional, in relation to light capture (Reich et al, 2003).…”
Section: Discussionmentioning
confidence: 99%
“…When analyzing the functional attributes with the environmental variables, there was a close relationship with the local conditions of the relief and soil variables. Studies such as those by Missio et al (2016), Sousa et al (2017) and Soboleski et al (2017) have already portrayed the infl uence of environmental conditions on the coexistence of species and their functional attributes in forests in the southern region. The occurrence of more conservative species with larger leaves in higher places of the forest stretch directly refl ects the relationship of this functional attribute as an advantage in absorbing light, in contrast to species which have leaves with a smaller specifi c leaf area that invest in fast growth to capture light and less in leaf construction (Cornelissen et al, 2003).…”
Section: Discussionmentioning
confidence: 99%
“…Para o valor de massa específica da madeira de I. microdonta foi considerado o valor de ρ = 0,67 g.cm -1 (SOBOLESKI et al, 2017). Embora a mensuração direta da concentração de carbono na árvore não tenha sido realizada, estimou-se que o elemento representa em média 50% da matéria vegetal dos indivíduos avaliados (BRITEZ et al, 2006;WATZLAWICK et al, 2014).…”
Section: Methodsunclassified