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This work described the process of succession of vegetation in natural regeneration of an suppressed forest area for introduction of banana plantation in the Juréia-Itatins Ecological Station after eight years of abandonment of agricultural activities. The floristic and phytosociological surveys were conducted on five plots of 10 x 25 m, where all individuals of shrub-tree size ≥ 1 m height where all individuals of shrub-tree size ≥ 1 m height were collected, the height and perimeter of plants were recorded and the species have been classified in dispersal syndromes and successional groups. The forest structure was analyzed using the usual phytosociology parameters, Shannon diversity index (H’) and equability (J’). We sampled 1,440 individuals of 149 species and 59 families, being Melastomataceae (29), Myrtaceae (15), Fabaceae (10) and Rubiaceae (9) the families of greater richness, predominating pioneer and early secondary species (36.91%) and zoochorous (54.36%). The species with the highest coverage values were Tibouchina pulchra, Leandra variabilis, Miconia cinnamomifolia and Piptocarpha macropoda. L. variabilis showed higher absolute (2,568 ind./ha) and relative (24.21%) density. T. pulchra showed the highest absolute and relative dominance, with 10.04 m2/ha and 37.72%, respectively. In the forest structure predominated the pioneer species. The diversity (H’ = 3.330 nat. ind-1) and equability (J’ = 0.666) obtained are equivalent to areas of the same age. Natural regeneration is a promising form of environmental recovery in similar conditions, because it allowed the formation of a secondary forest with high species richness and density of individuals, besides eradicating from 91.93 to 100% of the previously introduced banana trees.

REGENERAÇÃO NATURAL DA FLORESTA OMBRÓFILA DENSA APÓS OITO ANOS DE ABANDONO DE ATIVIDADES AGRÍCOLAS EM MIRACATU, VALE DO RIBEIRA, SP