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Brazilian Journal of Biology
On-line version ISSN 1519-6984
GARCIA, LC.; BARROS, FV. and LEMOS-FILHO, JP.. Fructification phenology as an important tool in the recovery of iron mining areas in Minas Gerais, Brazil. Braz. J. Biol. [online]. 2009, vol.69, n.3, pp. 887-893. ISSN 1519-6984. http://dx.doi.org/10.1590/S1519-69842009000400017.
"Canga" is a name given to the ferruginous rocky fields that can be found in the "Quadrilátero Ferrífero" of Minas Gerais, Brazil. The endemism and species richness make them areas of special biological importance, regarded as high-priority for conservation. Nevertheless, they are being threatened by intense mining activity. Aiming to understand more about this flora, this study was performed in order to determine the maturation or dispersal period of the fruits of four Canga species, Alibertia vaccinioides K.Schum. (Rubiaceae), Coccoloba acrostichoides Cham. (Polygonaceae), Miconia sellowiana Naudin (Melastomataceae), and one probable new species of Calyptranthes Sw. (Myrtaceae). Although fruit maturation or dispersal tended to occur at the end of the dry season, some asynchrony was observed in these species, with food sources being available during most of the year. This shows that these species have the potential to attract animals the whole year round, and planting them for the recovery of iron mining areas may increase the community's self-regeneration capacity, leading to a more successful restoration process.
Keywords : fleshy fruit; ironstone outcrop; rocky field; seasonality; zoochoric species.