2014
DOI: 10.5902/1980509813332
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Alterações na estrutura horizontal, no período de 2002-2008, em Floresta Ombrófila Mista no centro-sul do estado do Paraná

Abstract: As alterações na estrutura horizontal de um fragmento de Floresta Ombrófila Mista, localizado na Floresta Nacional de Irati, estado do Paraná, foram avaliadas com dados de medições realizadas nos anos de 2002, 2005 e 2008. A área de estudo possui 25 ha, divididos em 25 parcelas permanentes de 1 ha cada (100 m x 100 m). Todos os indivíduos com diâmetro a altura do peito (DAP) igual ou acima de 10 cm foram mensurados e identificados. Foi analisada a densidade, dominância, frequência, valor de cobertura e valor d… Show more

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Cited by 9 publications
(9 citation statements)
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“…According to Martins (2012), with vegetation advancement in the process of ecological succession, the density of individuals tends to decrease due to greater inter and intraspecific competition. Sawczuk et al (2014), analyzing the changes in the horizontal structure of a mixed ombrophilous forest in the state of Paraná, showed that the progression of the successional stage was accompanied by a decrease in the total number of trees, whose authors associated such response to factors such as inter and intraspecific and to a greater dominance exerted by the individuals of Araucaria angustifolia and Ocotea porosa, that in turn, increased their diameters in the period of study between the years of 2002 and 2008. However, to test this hypothesis, studies related to the population dynamics of tree species are suggested in order to follow the changes in the structure of the remnant.…”
Section: Discussionmentioning
confidence: 99%
“…According to Martins (2012), with vegetation advancement in the process of ecological succession, the density of individuals tends to decrease due to greater inter and intraspecific competition. Sawczuk et al (2014), analyzing the changes in the horizontal structure of a mixed ombrophilous forest in the state of Paraná, showed that the progression of the successional stage was accompanied by a decrease in the total number of trees, whose authors associated such response to factors such as inter and intraspecific and to a greater dominance exerted by the individuals of Araucaria angustifolia and Ocotea porosa, that in turn, increased their diameters in the period of study between the years of 2002 and 2008. However, to test this hypothesis, studies related to the population dynamics of tree species are suggested in order to follow the changes in the structure of the remnant.…”
Section: Discussionmentioning
confidence: 99%
“…(cf. Galvão et al 1989; Klauberg et al 2010; Lorenzi 1992; Sawczuk 2009). Late secondary taxa ( Palicourea sp.)…”
Section: The Contributions Of Anthracology To Proto-jê Archaeologymentioning
confidence: 99%
“…Ecological aspects argue in favor of a positive selection. Inga species are never among the most important taxa of the Araucaria Forest domain in terms of frequency or density (Barddal et al 2004; Cordeiro and Rodrigues 2007; Curcio et al 2006; Galvão et al 1989; Klauberg et al 2010; Sawczuk 2009; Seger et al 2005; Silva and Marconi 1990). As a result, Inga wood was probably not available in such abundance as to justify extensive use of it as fuel in the studied hearths, if acquired through random collection of fallen deadwood—especially considering the long duration of the occupation.…”
Section: The Contributions Of Anthracology To Proto-jê Archaeologymentioning
confidence: 99%
“…O. Kuntze, conífera nativa mais importante do Brasil (ORELLANA et al, 2016). Apesar disso, ainda existem remanescentes na região Sul do Brasil, como o da Floresta Nacional (FLONA) de Irati, mantido sem intervenção há pelo menos 70 anos (FIGUEIREDO FILHO et al, 2010) e em condições naturais de desenvolvimento e de grande riqueza de espécies, em que a maioria de seus indivíduos pertencem às poucas espécies de um pequeno número de famílias botânicas (SAWCZUK et al, 2014).…”
Section: Introductionunclassified