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Anais da Academia Brasileira de Ciências

versão impressa ISSN 0001-3765


CASCAES, MAINARA F.; CITADINI-ZANETTE, VANILDE  e  HARTER-MARQUES, BIRGIT. Reproductive phenology in a riparian rainforest in the south of Santa Catarina state, Brazil. An. Acad. Bras. Ciênc. [online]. 2013, vol.85, n.4, pp.1449-1460. ISSN 0001-3765.

Phenological studies assist in forest ecosystems comprehension and evaluation of resource availability for wildlife, as well as in improving the understanding of relationships between plants and their pollinators and dispersers. This study aims to describe the reproductive phenophases of riparian plant species and correlate them with climatic variables. The reproductive phenology was analyzed biweekly throughout one year, recording the absence or presence of flowers/fruits. The flowering phenophase occurred throughout the year, with an increase in number of species in blossom in October, November, and December. The flowering peak of the community was observed in November. The fruiting phenophase also occurred throughout the year and showed an increase of species fruiting in June with a slight decrease in August and September. The data obtained in this study, when compared with other studies in different Atlantic Rainforest areas, indicates a seasonal pattern for the flowering phenophase and a variation in fruit availability throughout the year as well as in the fruiting peaks. Therefore, studies that observe flowering and fruiting events in loco are of main importance because they provide information on reproductive seasons of species for use in environmental restoration projects and thus alleviate the situation of degradation of riparian forests.

Palavras-chave : flowering; fruiting; riparian forest; climatic variables.

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