2014
DOI: 10.1590/s0102-33062014000100009
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Structure of the understory community in four stretches of Araucaria forest in the state of São Paulo, Brazil

Abstract: We analyzed the structure of the understory community in the Atlantic Forest sensu lato, for which phytosociological descriptions of the understory are lacking. We delineated 50 plots of 10 × 20 m each at four sites within an Araucaria forest (a subtype of Atlantic Forest), located in the municipalities of Bananal, Campos do Jordão, Itaberá and Barra do Chapéu, all of which are in the state of São Paulo, Brazil. To sample the resident species of the understory, we randomly selected five 1 × 1 m subplots within… Show more

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Cited by 18 publications
(14 citation statements)
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“…Located at the transition between tropical forests in the North and temperate fields in the South, Brazilian mixed tropical forest remnants are currently susceptible to monoculture activities (Arnold and Fonseca 2011) and the impacts of climate change (Colombo and Joly 2010), which cause degradation in forest fragments and deforestation in protected natural areas. ALLAN L. PELISSARI et al Floristic surveys and diversity indices are the most widely used tools to evaluate the conservation status of these mixed tropical forest remnants (Sonego et al 2007, Ribeiro et al 2013, Polisel et al 2014). These measures are fundamental for the evaluation of forest landscapes, such as: Shannon's index (1948), which assumes individuals are randomly sampled and all species are represented in a sample; Simpson's index (1949), a robust measure that considers the probability of any two individuals belonging to the same species; and Margalef's index (1958), which indicates species diversity as the ratio between the number of species and the logarithm of the total number of individuals in a sample.…”
Section: Introductionmentioning
confidence: 99%
“…Located at the transition between tropical forests in the North and temperate fields in the South, Brazilian mixed tropical forest remnants are currently susceptible to monoculture activities (Arnold and Fonseca 2011) and the impacts of climate change (Colombo and Joly 2010), which cause degradation in forest fragments and deforestation in protected natural areas. ALLAN L. PELISSARI et al Floristic surveys and diversity indices are the most widely used tools to evaluate the conservation status of these mixed tropical forest remnants (Sonego et al 2007, Ribeiro et al 2013, Polisel et al 2014). These measures are fundamental for the evaluation of forest landscapes, such as: Shannon's index (1948), which assumes individuals are randomly sampled and all species are represented in a sample; Simpson's index (1949), a robust measure that considers the probability of any two individuals belonging to the same species; and Margalef's index (1958), which indicates species diversity as the ratio between the number of species and the logarithm of the total number of individuals in a sample.…”
Section: Introductionmentioning
confidence: 99%
“…Estas famílias também foram as de maior riqueza em outros trabalhos realizados em Floresta Ombrófila Mista ( MAUHS, 2002;HIGUCHI et al, 2012;SILVA et al, 2012;SOUZA et al, 2012), com destaque principal para Myrtaceae, que geralmente aparece como a principal família não só nesta fitofisionomia (NASCIMENTO; LONGHI; BRENA, 2001;KLAUBERG et al, 2010;SILVA et al, 2012;PSCHEIDT et al, 2015), mas também na maioria das florestas ombrófilas localizadas acima de 1.000 m de altitude no sudeste do Brasil (MEIRELES; SHEPHERD; KINOSHITA, 2008;POMPEU et al, 2014). Em contrapartida, Lauraceae, também mencionada como uma das famílias mais ricas em Floresta Ombrófila Mista (RONDON-NETO et al, 2002a;2002b;SONEGO;BACKES;SOUZA, 2007;SOUZA et al, 2012;SILVA et al, 2013) foi representada no PESP por apenas duas espécies.…”
Section: Resultsunclassified
“…Porém, a maioria dos estudos eram da região Sul do Brasil, principalmente no estado do Paraná (46 artigos). Já na região Sudeste, foram publicados trabalhos apenas em São Paulo (SOUZA et al, 2012;RIBEIRO et al, 2013;POLISEL et al, 2014), apesar da floresta com araucária também estar presente nos estados de Minas Gerais e Rio de Janeiro. Sabendo das ameaças que a Floresta Ombrófila Mista vem sofrendo e considerando-se a carência de estudos quantitativos nesta fitofisionomia para a região Sudeste, o presente trabalho teve como objetivo avaliar a estrutura, diversidade e heterogeneidade de espécies do estrato arbóreo de uma Floresta Ombrófila Mista Altomontana em seu extremo norte de distribuição (Minas Gerais -Brasil).…”
Section: Introductionunclassified
“…Com relação à riqueza, apenas Narvaes et al (Caldato et al 1996, Polisel et al 2013, Ribeiro et al 2012, Silva et al 2010 empregaram metodologias ou consideraram estratos e critérios de inclusão diferentes dos aqui utilizados e por isto, não e possível fazer uma comparação detalhada. Considerando-se os estágios sucessionais individualmente a riqueza ainda parece ser elevada.…”
Section: Discussionunclassified