2000
DOI: 10.1590/s0100-84042000000300008
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Comparação do padrão da distribuição espacial em escalas diferentes de espécies nativas do cerrado, em Brasília, DF

Abstract: -(Comparison of scale in the spatial distribution of native species of the cerrado, em Brasília, DF). The scale of spatial distribution of three native tree species, Caryocar brasiliense, Pterodon pubescens and Sclerolobium paniculatum, and two native palm species, Syagrus comosa and S. flexuosa, in the cerrado was determined using three quadrat variance methods. The data were collected in an area of cerrado, sensu stricto, on the Fazenda Água Limpa of the University of Brasília in 128 contiguous quadrats of 5… Show more

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Cited by 35 publications
(44 citation statements)
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“…Few studies of the spatial distribution of tree species in the Cerrado have found a clustered pattern (Hay et al 2000, Souza & Coimbra 2005. The patterns of spatial distribution can be affected by biotic factors: vegetative propagation, seed dispersal, intra and interspecific interactions and varied development stages, and abiotic ones: light, temperature, soil, moisture, nutrients and environmental disturbances (such as fire, Melo et al 2004).…”
Section: Resultsmentioning
confidence: 99%
“…Few studies of the spatial distribution of tree species in the Cerrado have found a clustered pattern (Hay et al 2000, Souza & Coimbra 2005. The patterns of spatial distribution can be affected by biotic factors: vegetative propagation, seed dispersal, intra and interspecific interactions and varied development stages, and abiotic ones: light, temperature, soil, moisture, nutrients and environmental disturbances (such as fire, Melo et al 2004).…”
Section: Resultsmentioning
confidence: 99%
“…The cerrado biome comprises a very heterogeneous vegetation, with seasonal savannas (cerrado), hyperseasonal savannas (vereda) on poorly drained soils, rocky savannas (campo rupestre), mesophytic evergreen forests (gallery forest) and deciduous and semi-deciduous seasonally dry forests (for a detailed description of cerrado biome, see Silva et al, 2006). In the cerrado vegetation, tree species are distributed in highdensity clumps due to the patch distribution of suitable habitat or restricted seed dispersal (Hay et al, 2000).…”
Section: Study Site and Samplingmentioning
confidence: 99%
“…Considera-se que as estruturas populacionais sejam influenciadas pela ação de fatores bióticos e/ou abióticos sobre as taxas de crescimento e mortalidade, bem como por eventos passados de recrutamento (Hutchings 1998, Hay et al 2000. Assim, a caracterização tanto do ambiente quanto da estrutura de populações de plantas é importante para fornecer informações sobre os fatores que influenciam os processos populacionais, a regeneração (Clark 1994) e as respostas de uma população às perturbações em um determinado local (Harper 1977 Os fatores que influenciam os processos populacionais variam no espaço em diferentes escalas e, em decorrência, as estruturas das populações podem variar no espaço (Swaine et al 1987).…”
Section: Introductionunclassified