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Acta Botanica Brasilica
Print version ISSN 0102-3306
CASTRO, Antônio Sérgio Farias; MORO, Marcelo Freire and MENEZES, Marcelo Oliveira Teles de. The vegetation complex of the coastal zone of Ceará: Pecém, São Gonçalo do Amarante. Acta Bot. Bras. [online]. 2012, vol.26, n.1, pp. 108-124. ISSN 0102-3306. http://dx.doi.org/10.1590/S0102-33062012000100013.
Due to its geographical location, the northeastern Coast of Brazil (Litoral Setentrional do Nordeste - LSN) is a hotter and drier climate than the eastern coast. In addition, because of its proximity to caatinga and cerrado, the LSN contains species from these vegetation biomes and from the restinga on the coast, which comprise different plant formations and creates a vegetation complex. Despite the great importance of this ecotone, there are few studies about its flora. The objective of this work was to contribute to what is known about the floristic and phytosociological composition of this region. We made a floristic survey in the area (between 2007 and 2011), consulted herbaria data from the region and made a phytosociological study in a stretch of coastal semideciduous forest (mata de tabuleiro). The study recorded 382 plant species from 96 families. In the phytosociological survey (0.32 ha) we recorded 2,970 individuals and 52 species. The most abundant plants surveyed were the trees Manilkara triflora, Chamaecrista ensiformis and Guapira nitida and the shrubs Cordiera sessilis and Maytenus erythroxyla (average height 3.8 m, average diameter 6.2 cm, basal area 39.28 m²/ha). The local flora includes floristic elements of caatinga, cerrado and restinga, corroborating the idea that the plant community of the coastal region of Ceará has an ecotonal nature.
Keywords : restinga; littoral; coast; vegetation; ecotone.