Estrutura espacial e deposição de sementes de Hymenaea courbaril L. em um fragmento florestal no sudoeste goiano
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Data
2011-03
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Resumo
The objective of this study was
to identify and describe the pattern of spatial distribution of Hymenaea courbaril L. (Fabaceae)
and its structuring factors in the Mata do Açude forest fragment in Jataí Municipality, Goiás
state. We used two individual size classes: juveniles and adult, with stalk circumference
smaller and bigger than 15 cm, respectively. The population spatial data were sampled by
the ‘T-Square’ distance method and the structuring factors analyzed were the spatial
deposition pattern of seeds and substrate conditions (soil and litter). The Hines statistical
test (ht
) was used to detect the population spatial pattern. The tree population presented
aggregated spatial structure, for both adults (ht = 1.47, p < 0.005) and juveniles (ht
= 1.88,
p < 0.005), with greater seed density at four meters from the plant. The soil conditions
were not different among sampled points. On the other hand, the litter conditions
presented significant differences for moisture and dried organic matter. These data
suggested that the recruitment and spatial distribution of H. courbaril in the Mata do Açude
is strongly structured by the seed deposition pattern and litter conditions.
Descrição
v. 33, n. 1, p. 41-47, jan./mar. 2011.
Palavras-chave
Método T - square, Mata de galeria, Distribuição agregada, Recrutamento, T - square method, Gallery forest, Aggregated distribution, Recruitment
Citação
RIBEIRO, Matheus Souza Lima; REZENDE, Sueisla Lopes; BERNASOL, Wilson Pereira. Estrutura espacial e deposição de sementes de Hymenaea courbaril L. em um fragmento florestal no sudoeste goiano. Acta Scientiarum. Biological Sciences, Maringá, v. 33, n. 1, p. 41-47, jan./mar., 2011. Disponível em: < http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/5881/5881>.