Fenologia reprodutiva de espécies de sub-bosque numa Floresta Estacional Semidecidual em São Pedro da Aldeia, RJ, Brasil
Abstract
Studies on the phenology of understory species, especially in Seasonal Semideciduous Forests in the state of
Rio de Janeiro, are very scarce. We aim here to describe the reproductive phenology of eight understory species in a Seasonal
Semideciduous Forest in São Pedro da Aldeia, RJ, and to compare the flowering and fruiting of these species with three abiotic
factors. We evaluated the presence of flowers and/or fruits between 2018-2019 with the direct qualitative method. This is the
first information on the flowering and fruiting periods of Actinostemon verticillatus and Algernonia leandrii. Half of the species
flowered in the onset of the rainy season, after the colder winter months and with increasing day length. There was no significant
relationship between flowering and precipitation or temperature, but there was a significant positive relationship between
flowering and day length. There was no significant relationship between fruiting and precipitation, but there was a significant
negative relation with temperature and day length. This study presents new data on the phenology of understory species in a
Seasonal Semideciduous Forest in the state of Rio de Janeiro.
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