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      O banco de sementes e suas implicações na diversidade da Floresta Ombrófila Densa Submontana no Parque Estadual Carlos Botelho, São Paulo, SP, Brasil Translated title: The seed bank and its implications for the diversity of the Submontane Ombrophilous Dense Forest in the Parque Estadual Carlos Botelho, São Paulo State, Brazil

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          Abstract

          RESUMO Este estudo teve como objetivo caracterizar a composição e dinâmica das espécies presentes no banco de sementes no interior do Parque Estadual Carlos Botelho, em uma parcela permanente de 10 ha, subdividida em 256 subparcelas de 20 × 20 m. Destas, foram sorteadas 25 subparcelas, das quais foram coletadas três amostras de solo de 0,25 × 0,25 × 0,05 m. Germinaram 3.204 sementes de 93 espécies, a forma de vida arbórea representou 50% do total de sementes germinadas, dentre estas 97% eram intolerantes à sombra e 3% tolerantes. A síndrome de dispersão dominante foi a zoocórica. A similaridade florística entre coletas foi baixa e ocorreu alta variação espacial das espécies. Aceitamos as hipóteses de que as espécies presentes no banco de sementes são predominantemente arbustivas e arbóreas, intolerantes à sombra e zoocóricas e que a sua composição florística varia no tempo e no espaço.

          Translated abstract

          ABSTRACT This study aimed to characterize the composition and dynamics of the species present in the seed bank within the Parque Estadual Carlos Botelho, in a permanent plot of 10 ha subdivided into 256 sub-plots of 20 × 20 m. From these, 25 sub-plots were randomly selected, from which three soil samples of 0.25 × 0.25 × 0.05 m were collected. As a result, 3,204 seeds of 93 species were germinated. The arboreal life form presented 50% of the total germinated seeds, of which 97% were intolerant to shade and 3% tolerant. The dominant dispersal syndrome was the zoochory. The floristic similarity between collectings was low and there was high spatial variation of species. We accept the hypotheses that the species present in the seed bank are predominantly shrubs and trees, shade intolerant and zoochoric, and that the floristic composition varies in time and space.

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          Population Biology of Plants.

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            Physiological Ecology of Tropical Succession: A Comparative Review

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              Ecological methodology

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                hoehnea
                Hoehnea
                Hoehnea
                Instituto de Botânica (São Paulo, SP, Brazil )
                0073-2877
                2236-8906
                September 2017
                : 44
                : 3
                : 378-393
                Affiliations
                [2] Piracicaba orgnameUniversidade de São Paulo orgdiv1Escola Superior de Agricultura "Luiz de Queiroz" orgdiv2Departamento de Ciências Biológicas Brazil
                [3] Campinas São Paulo orgnameUniversidade Estadual de Campinas orgdiv1Instituto de Biologia orgdiv2Departamento de Biologia Vegetal Brazil
                [1] São Paulo SP orgnameInstituto Florestal Brasil
                Article
                S2236-89062017000300378
                10.1590/2236-8906-61/2016
                1b9f65e0-da80-4eee-9d01-3a38c228ba4b

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 21 July 2016
                : 15 May 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 65, Pages: 16
                Product

                SciELO Brazil


                ecological groups,natural regeneration,seed dispersal,shade-tolerance,dispersão de sementes,grupos ecológicos,regeneração natural,tolerância à sombra

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