Desenvolvimento inicial de Dipteryx alata Vogel e Myracrodruon urundeuva Allemão em plantio de enriquecimento de uma floresta estacional semidecídua secundária

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2011-06

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Initial development of Dipteryx alata Vogel and Myracrodruon urundeuva Allemão planting in enrichment in a semideciduous secondary forest. This study evaluated the initial development of Dipteryx alata and Myracrodruon urundeuva planted in enrichment system in a secondary semi-deciduous seasonal forest along an environmental gradient. The survival and growth in height and diameter were made 12 months after planting. There was 10% mortality for M. urundeuva and 45% for D. alata. Twenty-five months after replanting, the mortality was 15% for both species. There was no association between mortality of the species and environmental gradient (χ2) and also there were no statistical differences in diameter increment between species (ANOVA). Myracrodruon urundeuva and D. alata grew on average 0.96 and 0.52 mm.yr -1 , respectively. The average growth in height was 9.6 and 4.0 cm.yr-1 for M. urundeuva and D. alata, respectively, statistically different. The smaller growth in height of D. alata versus M. urundeuva should not be used determine the adaptation to the environment and may be linked to different patterns of growth, adaptation strategies, or different ecological needs, showing differences in efficiency in the use of available resources. This study highlighted the potential use of these species in enrichment systems.

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Regeneração, Reflorestamento, Cerrado, Manejo florestal, Regeneration, Forest management, Savannas, Reforestation

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VENTUROLI, Fábio; FAGG, Christopher William; FELFILI, Jeanine Maria. Desenvolvimento inicial de Dipteryx alata Vogel e Myracrodruon urundeuva Allemão em plantio de enriquecimento de uma floresta estacional semidecídua secundária. Bioscience Journal, Uberlândia, v. 27, n. 3, p. 482-493, maio/jun. 2011.