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      Composição florística e fenologia das espécies zoocóricas de remanescentes de floresta estacional semidecidual no centro-oeste do Paraná, Brasil Translated title: Floristic and phenological study of zoochoric species of Semideciduous Seasonal Forest remnants in the mid-west region of Parana State, Brazil

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          Abstract

          Este estudo foi realizado no período de 1990 a 1998, em quatro remanescentes de Floresta Estacional Semidecidual na região centro-oeste do Paraná, Brasil. Foram encontradas 204 espécies zoocóricas entre árvores, arbustos, trepadeiras, ervas, epífitas e hemiparasitas, sendo que 74% das espécies são árvores (n= 96) e arbustos (n=55). Frutos verdes predominam sobre frutos pretos e vermelhos, devido principalmente à abundância de Solanaceae e Piperaceae. O tamanho dos frutos é variável (2,1-360,0 mm x 2,0-270,0mm), predominando frutos pequenos (< 10mm); o tamanho (0,1-110,0mm x 0,1 x 70,0mm) e número de sementes (1 a +1000) também variam, sendo mais comuns frutos com 1 a 10 sementes pequenas (1,1-5,0mm x 0,1-6,0mm). O Parque Estadual de Vila Rica do Espírito Santo, Fênix, foi a área melhor amostrada, onde 190 das 204 espécies levantadas e dados fenológicos referentes à floração e frutificação destas foram coletados mensalmente ao longo do período de estudo. Embora entre diferentes formas de vida ocorram padrões peculiares de floração e frutificação, o pico de floração ocorre no início da estação chuvosa (setembro/outubro), como na maioria das florestas semideciduais tropicais, e o pico de frutificação durante a estação menos chuvosa (maio/junho), ao contrário de outras áreas estudadas nesta formação.

          Translated abstract

          This study was conducted from 1990 to 1998 in four Semideciduous Seasonal Forest remnants in the mid-west region of Parana State, Brazil. There were 204 zoochoric species among trees, shrubs, climbers, herbs, epiphytes and hemiparasites life forms. Most species (74%) are trees / treelets (n= 96) and shrubs (n=55). Most fruit are green, followed by red and black, mainly due to the abundance of Solanaceae and Piperaceae. Fruit size is highly variable (2,1-360,0mm x 2,0-270,0mm), but fruits with less than 10mm predominate as did fruits with 1 to 10 small (1,1-5,0mm x 0,1-6,0mm).seeds. The State Ecological Park of Vila Rica do Espírito Santo, Fênix, was the best sampled area where we found 190 out of the 204 species included in this study and phenological data (flowering and fruiting) was collected monthly. Even though different life forms present particular flowering and fruiting patterns, as a whole the flowering peak (September/October) coincides with the onset of the rainy season, like in most of semideciduous seasonal forests, and the fruiting peak (May/June) coincides with the dry season, on the contrary of what was expected based on previous studies.

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          Geografia Física do Estado do Paraná.

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            Manual técnico da vegetação brasileira

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              The evolution and classification of flowering plants

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                abb
                Acta Botanica Brasilica
                Acta Bot. Bras.
                Sociedade Botânica do Brasil (Belo Horizonte )
                1677-941X
                April 2001
                : 15
                : 1
                : 89-113
                Affiliations
                [1 ] Universidade Federal do Partaná Brasil
                [2 ] Universidade Federal do Partaná Brasil
                Article
                S0102-33062001000100010
                10.1590/S0102-33062001000100010
                9642c43f-3dee-4154-a3ed-878bc88a2af6

                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
                florisitic composition,phenology,zoochoric species,characteristics of the diaspores,Semideciduous Seasonal Forest,Parana State,florística,fenologia,espécies zoocóricas,características dos diásporos,Floresta Estacional Semidecidual,Paraná

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