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      Caracterização da vegetação de restinga da RPPN de Maracaípe, PE, Brasil, com base na fisionomia, flora, nutrientes do solo e lençol freático Translated title: Characterization of restinga vegetation at Maracaípe, Pernambuco State, Brazil, based on physiognomy, flora, soil nutrients, and water-table level

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          Abstract

          O objetivo deste estudo foi realizar o levantamento florístico e descrever as fisionomias, relacionando-as com as formas de vida, fertilidade do solo e variações do lençol freático encontradas na restinga de Maracaípe. A área possui 76,2 ha de vegetação de restinga, sob as coordenadas 08º31'48"S e 35º01'05"W. Possui clima do tipo As' e solo classificado como Neossolo Quartzarênico. Foram feitas caminhadas aleatórias nas três fisionomias existentes - floresta, campo não inundável e campo inundável, durante o período de julho/2003 a julho/2005, para coleta de material botânico. A lista florística foi comparada a outras listas de restinga da região Nordeste. Foram inventariadas 187 espécies, 148 gêneros, distribuídas em 71 famílias. Entre as famílias mais representativas, destacam-se: Poaceae (13 espécies), Cyperaceae (12), Myrtaceae (10), Orchidaceae (9), Rubiaceae (8), Bromeliaceae e Fabaceae (7). A forma de vida "fanerófito" foi elevada na fisionomia florestal e as formas "caméfito", "terófito" e "criptófito", nas fisionomias campo inundável e não inundável. Os solos das fisionomias diferiram quanto à composição química e só ocorreu afloramento do lençol freático na fisionomia campo inundável. Este estudo permitiu concluir que a proporção de formas de vida, variação no nível do lençol freático, matéria orgânica e teor de alumínio no solo foram determinantes na separação das fisionomias da restinga de Maracaípe.

          Translated abstract

          We undertook a floristic survey to describe the phytophysiognomies of a restinga at Maracaípe, and related these to life form, soil fertility, and variation in the local water-table level. The study area is located at 08º31'48"S and 35º01'05"W, and has 76.2 ha of restinga vegetation. The regional climate is classified as As' and local soils are sandy Neosols. Random walks to collect botanical material were made in the three different vegetation physiognomies found in the area - forest, flooded grassland and non-flooded grassland - from July/2003 to July/2005. The resulting list of plant species was compared to other restinga areas of Northeast Brazil. A total of 187 species belonging to 148 genera and 71 families were found in the survey area. The families best represented were Poaceae (13 species), Cyperaceae (12), Myrtaceae (10), Orchidaceae (9), Rubiaceae (8), Bromeliaceae and Fabaceae (7). Phanerophytes were well represented in the forest, while camephytes, therophytes, and cryptophytes were best represented in the flooded grassland and non-flooded grassland. The soils of the different vegetation physiognomies differed in terms of chemical composition, and the water table reached the soil surface only in the flooded grassland. We conclude that different proportions of life form, variation in water-table levels, and soil organic matter and aluminum content were determining factors for segregating the different plant physiognomies in the Maracaípe restinga.

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            Árvores brasileiras:manual de identificação e cultivo de plantas arbóreas nativas do Brasil

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                abb
                Acta Botanica Brasilica
                Acta Bot. Bras.
                Sociedade Botânica do Brasil (Belo Horizonte )
                1677-941X
                March 2009
                : 23
                : 1
                : 36-48
                Affiliations
                [1 ] Universidade Federal Rural de Pernambuco Brazil
                Article
                S0102-33062009000100005
                10.1590/S0102-33062009000100005
                49fff531-9601-4f9f-8a98-9c953bbf9a38

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-3306&lng=en
                Categories
                PLANT SCIENCES

                Plant science & Botany
                coastal vegetation,flooded grassland,forest,life form,non-flooded grassland,campo inundável,campo não inundável,floresta,forma de vida,vegetação costeira

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