Floristic and structure of different strata in an urban Semideciduous Forest in Jataí, Goiás state, Brazil

Guilherme, Frederico Augusto Guimarães; Ferreira, Wendy Carniello; Silva, Gabriel Eliseu; Machado, Deivid Lopes

doi:10.5902/1980509847868

Cited by 5 publications

(2 citation statements)

References 17 publications

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“…This is partly because the family has species with pioneer characteristics, such as Guarea guidonia . This species has high germination rates in gaps, edges, and slopes and is commonly associated with other typical secondary vegetation species (Carvalho et al 2009;Oliveira et al 2013;Guilherme et al 2021).…”

Section: Discussionmentioning

confidence: 99%

Tree structure and composition of a coastal remnant of the Atlantic Forest in Rio de Janeiro

et al. 2023

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The Atlantic Forest is one of the richest and most threatened biomes in Brazil. However, the structure and floristic composition of many of its remnants are still unknown. This study assessed the structure and tree composition of the Serra da Tiririca – SET coastal remnant, is the largest remnant in Serra da Tiririca State Park – PESET (Atlantic Forest, RJ). In ten 50 × 20 m plots installed between the edges and the interior of the remnant, we registered 403 trees distributed in 29 families, 59 genera, and 126 species. The richest and most abundant families were Fabaceae, Myrtaceae, and Meliaceae, while the most representative species were Gallesia integrifolia towards the interior of the remnant and Piptadenia gonoacantha towards the edges. The remnant had an average Shannon-Wiener Diversity of 3.69, a total basal area of 19.3 m2/ha, and an average diameter and height of 20.42 cm and 11.8 m, respectively. This study shows that the SET remnant is floristically heterogeneous and has distinct structural characteristics and stretches in different successional stages related to edge and interior gradients. Anthropogenic pressures on the remnant are likely to persist and are evidenced mainly by the forest structure.

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Section: Discussionmentioning

confidence: 99%

Tree structure and composition of a coastal remnant of the Atlantic Forest in Rio de Janeiro

et al. 2023

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“…The animals necessary for seed dispersion inhabit the lake and river borders and the forest track around the fragment part (Figure 1). Zoochorous dispersion is the most important dispersion mechanism in rainforests (GUILHERME et al, 2021) and is significantly influenced by the isolation effect and fragment connectivity (MELO et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

Forest Fragment Grouping Analysis Under Selective Logging in Amazonian Biome

Rocha

Souza

Favalessa

et al. 2022

NAT

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The aim of this study was to analyse the existence of floristic groups in Seasonal Semi-deciduous Forest fragments under the effects of selective logging located in Tapurah-MT. The given clusters were allocated and measured, and each one had five subunits of 500 m². For each sampling unit, all of the arboreal and shrub species with a diameter at breast height (DBH) equal to or greater than 10 cm were considered. In the sampling subunits studied, the vegetation matrix was composed of the density of the 20 species in the fragment with the greatest importance. The presence of floristic groups was verified by a grouping analysis through the species association method. Euclidean distance with Hellinger's transformation was used as a similarity measure between the groupings, and Ward's linking method was used for the dendrogram elaboration. The number of groups was established by Kendall's coefficient, and correlations between the groups and the species were assessed. Once the concordance was determined, the number of groups in which the species were correlated was chosen. The species' auto-ecological characteristics, mainly the propagating material dispersion type and average DBH, were the main factors responsible for the species association and similarity inside each floristic group.

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As variáveis edáficas influenciam os padrões de distribuição das espécies arbóreas em um fragmento de Floresta Estacional Semidecidual?

Silva,

Soares,

Costa

et al. 2024

Rev. Bras. Geog. Fis.

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Processos evolutivos, bióticos e abióticos agem como filtros na composição e estrutura das comunidades vegetais. O objetivo desse estudo foi investigar a fitossociologia e a influência das variáveis edáficas na composição e estrutura da vegetação arbórea em um fragmento de Floresta Estacional Semidecidual, na Reserva da Biosfera da Serra do Espinhaço, no Parque Estadual do Biribiri, MG. Para isso, foram alocadas 25 parcelas de 400 m2 (20 × 20 m), distribuídas de forma sistemática. Os indivíduos vivos com diâmetro altura do peito (DAP) ≥ 5,0 cm foram mensurados e identificados e, dentro de cada parcela, foram coletadas variáveis edáficas. Foram calculados os estimadores fitossociológicos e correlações de Pearson para identificar as possíveis relações com a distribuição e estrutura da vegetação. Foram amostrados 1275 indivíduos, distribuídos em 131 espécies e 43 famílias botânicas. A comunidade arbórea apresentou índice de diversidade de Shannon (H’) de 4,1 nats.ind-1 e a equabilidade de 0,85 (J). A estrutura é formada por indivíduos de diâmetro pequeno e baixa área basal, a maioria dos indivíduos se encontra nas primeiras classes diamétricas. As variáveis utilizadas demostraram baixa relação com a distribuição e estrutura da vegetação. A grande proporção não explicada indica que eventos estocásticos e distúrbios antrópicos possivelmente atuam na estruturação dessa comunidade.

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Floristic and structure of different strata in an urban Semideciduous Forest in Jataí, Goiás state, Brazil

Cited by 5 publications

References 17 publications

Tree structure and composition of a coastal remnant of the Atlantic Forest in Rio de Janeiro

Tree structure and composition of a coastal remnant of the Atlantic Forest in Rio de Janeiro

Forest Fragment Grouping Analysis Under Selective Logging in Amazonian Biome

As variáveis edáficas influenciam os padrões de distribuição das espécies arbóreas em um fragmento de Floresta Estacional Semidecidual?

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